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1
McGinley, Susan. „Aeroponic Herbs: A Cultivation System For Clean, Consistent Root Crops“. College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2001. http://hdl.handle.net/10150/622256.
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Halchak, Jennifer L. „Root growth dynamics and cultivation aspects of Kosteletzkya virginica (Malvaceae)“. Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 132 p, 2009. http://proquest.umi.com/pqdweb?did=1889098991&sid=6&Fmt=2&clientId=8331&RQT=309&VName=PQD.
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Boléo, Sara Maria Tranquada. „Environmental impact assessment of energy crops cultivation in the Mediterranean Europe“. Master's thesis, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, 2011. http://hdl.handle.net/10362/7434.
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Dissertação apresentada na Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa Para a obtenção do Grau de Mestre em Energia e BioenergiaEnergy crops offer ecological advantages over fossil fuels by contributing to the reduction of greenhouse gases and acidifying emissions. However, there could be ecological shortcomings related to the intensity of agricultural production. There is a risk of polluting water and air, losing soil quality, enhancing erosion and reducing biodiversity. In the scope of the project Future Crops for Food, Feed, Fiber and Fuel (4F Crops), supported by the European Union, an environmental impact assessment study was developed and applied to the cultivation of potential energy crops in the Mediterranean Europe. The categories selected were: use of water and mineral resources, soil quality and erosion, emission of minerals and pesticides to soil and water, waste generation and utilization, landscape and biodiversity. Results suggest that annual cropping systems have a more negative impact on the environment than lignocellulosic and woody species, namely regarding erodibility and biodiversity. Annual systems and woody crops are also more damaging to soil quality than herbaceous perennials. However, differences among crop types are not as evident in the remaining indicators. Impact reduction strategies are limited to crop management options, but, site specific factors should be accurately assessed to evaluate the adequacy between crop and location.
This work was supported by the European Union (Project 4F Crops – Future Crops for Food, Feed, Fiber and Fuel, Grant Agreement No: 212811, Coordination and Support Actions, FP7-KBBE-2007-1)
4
Börjesdotter, Desirée. „Potential oil crops : cultivation of Barbarea verna, Barbarea vulgaris and Lepidium campestre /“. Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 1999. http://epsilon.slu.se/avh/1999/91-576-5746-7.pdf.
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Vijaya, Bhaskar A. V. „Cultivation regimes and legume cover crops for organic wheat (Triticum aestivum) production“. Thesis, Coventry University, 2014. http://curve.coventry.ac.uk/open/items/0eee127c-9732-4d39-bb0b-74535212c726/1.
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Field trials were conducted in 2010/11, 2012 and 2013 at the Royal Agricultural University’s Soil Association certified organic Harnhill Manor Farm, Gloucestershire, UK (NGR SP 075 006), to investigate suitable cultivation techniques and legume cover crops for winter and spring wheat production. Cultivation treatments included conventional tillage (CT), low residue non-inversion tillage (LRNiT) and high residue non-inversion tillage (HRNiT) as main plots while undersowing white clover (WC), black medic (BM) or no undersowing (Nus) as subplots. Wheat establishment, growth, grain yield and weeds infestation were assessed to determine the feasibility of these husbandry techniques. For winter wheat in 2010/11, LRNiT seems to be an acceptable alternative for CT. However, for spring wheat in 2012 and 2013, CT seems to be more reliable management option. The performance of undersown legumes was highly weather reliant and inconsistent in the seasons studied. Plant establishment and the succeeding yield parameters were positively related to grain yield. CT had significantly higher plant establishment than LRNiT or HRNiT in each season. For winter wheat, the competition and compensation on shoot density among CT and LRNiT did potentially outweighed cultivation-induced effects on plant establishment. This condition resulted in statistically equivalent crop growth and yields with LRNiT to that of CT. In contrast, for spring wheat in 2012 and 2013, CT that had significantly higher plant establishment also resulted in better crop growth and greater grain yields than other cultivation treatments. In all seasons, HRNiT had significantly lower plant establishment and also reduced grain yields, compared with LRNiT or CT. More soil cultivation also significantly reduced total weeds than less tilled soil such as HRNiT. On the basis of weed species, significantly higher broadleaf weeds were present under CT and significantly higher grass weeds were present under HRNiT. Out of three investigated years, legume cover crops effects were clearly observed only in 2012 with spring wheat. More vigorous growth of WC showed a significantly inverse relationship with broadleaf weeds and total weeds, compared with slow growing BM. This situation, resulted in non-significant yield components or grain yield reduction, compared with non-undersown spring wheat. In this context, white clover seems to be more suitable legume cover crop than black medic.
6
Cardegård, Fanny. „Suitable areas for cultivation of protein-rich crops in Sweden : An GIS-based study on 7 protein-rich crops“. Thesis, Linköpings universitet, Tema Miljöförändring, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-167324.
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Conditions are predicted to become more favorable for protein-rich crops in Northern Europe, which bring opportunities for cultivation of protein-rich crops in Sweden. This study assessed the current suitability for cultivation of protein-rich crops in Sweden based on biophysical conditions. This study defined suitability indicators with suitability conditions for each crop regarding (i) soil texture, (ii) soil pH value, (iii) vegetation period length, (iv) and soil temperatures were created, and overlayed to create suitable areas for protein-rich crops. Suitable areas and distributions were found for: common bean, faba bean, field pea, lentil, narrow-leafed lupin, quinoa, and soybean. A present and future risk analysis with wet and dry periods was carried out to find suitable areas for the crops under the risk of wet and dry periods. The study found that Sweden have the possibility to cultivate protein-rich crops to a greater extent which is shown by the distribution of suitable areas for protein-rich crop. Quinoa was found suitable to be cultivated in nearly all arable land in Sweden. In the future, there is an increase in suitable areas for protein-rich crops that are not exposed to drought. A decrease was seen in suitable areas for protein-rich crops that are not exposed to flooding.
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Samson, Roger A. (Roger Anthony). „On-farm evaluation of cultivation, cover crops and chemical banding for crop and weed management in integrated farming systems“. Thesis, McGill University, 1989. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=55700.
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Porter, William Christian. „Air-quality and Climatic Consequences of Bioenergy Crop Cultivation“. PDXScholar, 2013. https://pdxscholar.library.pdx.edu/open_access_etds/1042.
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Bioenergy is expected to play an increasingly significant role in the global energy budget. In addition to the use of liquid energy forms such as ethanol and biodiesel, electricity generation using processed energy crops as a partial or full coal alternative is expected to increase, requiring large-scale conversions of land for the cultivation of bioenergy feedstocks such as cane, grasses, or short rotation coppice. With land-use change identified as a major contributor to changes in the emission of biogenic volatile organic compounds (BVOCs), many of which are known contributors to the pollutants ozone (O3) and fine particulate matter (PM2.5), careful review of crop emission profiles and local atmospheric chemistry will be necessary to mitigate any unintended air-quality consequences. In this work, the atmospheric consequences of bioenergy crop replacement are examined using both the high-resolution regional chemical transport model WRF/Chem (Weather Research and Forecasting with Chemistry) and the global climate model CESM (Community Earth System Model). Regional sensitivities to several representative crop types are analyzed, and the impacts of each crop on air quality and climate are compared. Overall, the high emitting crops (eucalyptus and giant reed) were found to produce climate and human health costs totaling up to 40% of the value of CO2 emissions prevented, while the related costs of the lowest-emitting crop (switchgrass) were negligible.
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Jones, Bruce. „Impact of Conservation Tillage on Soil Erosion and the Agronomic Performance of Flue-Cured Tobacco“. Thesis, Virginia Tech, 1998. http://hdl.handle.net/10919/40537.
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Conservation tillage tobacco production has gained little producer acceptance since introduction in the late 1960's. Yield reductions, tobacco quality issues, unacceptable weed control, and inadequate planting equipment limited practice adoption and substantiated the need for continued research. The recent developments of a Subsurface Tiller-TransplanterTM and the herbicide SpartanTM renewed producer interest in conservation tillage and led to an investigation with both flue-cured and Virginia dark-fired tobacco. Flue-cured tobacco was transplanted into rye mulch on bedded rows and subsequently cultivated at various timings. Conservation tillage significantly reduced soil erosion approximately 92 percent and tobacco yield approximately 23 percent when row cultivation was not applied. Row cultivation significantly increased tobacco yield without increasing soil erosion. The yield of conservation tillage tobacco receiving a minimum of two cultivations was similar to conventional tobacco.
The second study evaluated wheat, rye, crimson clover, and mixtures of crimson clover with either wheat or rye as cover crop mulches for conservation tillage production of Virginia dark-fired tobacco. Conservation tillage, regardless of cover crop, reduced dark-fired tobacco yields approximately 779 and 488 pounds per acre in 1996 and 1997, respectively. The removal of cover crop residue for hay did not lower tobacco yield compared to leaving residue on the soil surface. Row cultivation increased conservation tillage tobacco yield approximately 247 pounds in 1997 regardless of cover crop. The nitrogen contribution of crimson clover was minimal in both years of the study and did not affect tobacco performance.Master of Science
10
Trembley, Marcella L. „The effect of mechanical weed cultivation on crop yield and quality, disease incidence and phenology in snap bean, carrot and lettuce crops“. Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape16/PQDD_0003/MQ29801.pdf.
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Swindler, Erin. „"I Have Told You about the Cane and Garden": White Women, Cultivation, and Southern Society in Central Louisiana, 1852-1874“. ScholarWorks@UNO, 2010. http://scholarworks.uno.edu/td/1182.
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This thesis examines cultivation in the lives of Sarah and Columbia Bennett between the years 1852 and 1874. The Bennett women's letters convey an intimate sense of the agro-economic preoccupations (and gardening pleasures) of these slave-owning white women, and the centrality of cultivation in mid-nineteenth-century rural Louisiana within a landscape of country stores, plantations, and people. As the lives of the Bennett women illustrate, white women's gardening knowledge and practice formed a cornerstone of central Louisiana society. The Bennett women's gardening knowledge and skill were primary components in the creation of a self-sustaining plantation household. By cultivating produce and other foodstuffs for consumption, the Bennett women made possible the family's participation in the lucrative market for cotton and other cash crops, a market that also tied their household to plantation economies elsewhere in the transatlantic world.
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Cremon, Cassiano. „LEVANTAMENTO DOS ATRIBUTOS DE UM INCEPTISOL INFLUENCIADOS POR DIFERENTES SISTEMAS DE CULTIVO DE ARROZ NO NORTE DA ITÁLIA“. UNIVERSIDADE FEDERAL DA GRANDE DOURADOS, 2007. http://tede.ufgd.edu.br:8080/tede/handle/tede/130.
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Previous issue date: 2007-04-05Considering FAO data that indicate that more than 90% of rice production in the world was to human feeding, become more and more important studies to search improve the rice yields index in sustainable form. Apart from this aspect, rice crops exploration required constant management of submersion water and special care relating to criterion for contamination minimize in groundwater and sub surface water and be possible the rational use of this important resource. In this context, the general aim of this work was to characterize and to evaluate, in time, different soil management systems and the relationship with soil physics, hydrologic and micromorphmetrics attributes on the rice crops experimental field in north of Italy. The experiment was begin in 2002 year and was carried up in Galileu Ferraris Institute facilities´, Vercelli municipalities, in North of Italy. The paddy-rice was designed to be the one agricultural show for farmer from that region and because this, have large dimension (100m of length and 25m of width), been hydraulically divided by compact physics border. The soil was classified as Inceptsols and was used three crops systems: (CON) Conventional system with sowing in flooded place; (SEQ) System with sowing of upland rice; (ROT) Crop rotation system with corn and rice crops in triennial cycle. Was monitored and characterized the following soil physics attributes: texture, density of soil, density of particles, water soil retention curve, soil penetration resistance, total water soil content, total porosity and soil aggregate morphometric, in 0 at 12; 12 at 24 and 24 at 35cm deep. These determinations were made before, during, and in latter of crop development. The results showed that water presence added agricultural implements action, have essential role in soil disaggregated and compacted layer, mainly in 12 at 24 cm deep, contributing to decrease of soil structural quality
Considerando dados da FAO, que apontam que mais de 90 % da produção de arroz no mundo é destinada a alimentação humana, torna-se cada vez mais importante, os estudos visando incrementar os índices de produtividade da cultura de forma sustentável. Além desse aspecto a exploração dessa cultura requer um manejo constante da água de submersão e um cuidado especial com relação a critérios que minimizem a contaminação dos mananciais hídricos e das águas subsuperficiais, possibilitando, cada vez mais, a utilização racional desse importante recurso. Nesse contexto, o objetivo geral deste trabalho foi caracterizar e avaliar, no tempo, diferentes sistemas de manejo da cultura do arroz e sua relação com diferentes atributos físicos, hidrológicos e micromorfométricos do solo em um campo experimental de cultivo de arroz no norte da Itália. O experimento foi iniciado no ano de 2002 e instalado nas dependências do Instituto Galileu Ferraris, no município de Vercelli, no norte da Itália. Os tabuleiros cultivados com arroz foram projetados com o intuito de ser uma vitrine demonstrativa para os agricultores daquela região e, por essa razão, de grandes dimensões (100 m de comprimento por 25 m de largura), sendo separados hidraulicamente por meio de barreiras físicas. Osolo é da ordem dos Inceptisols e os tratamentos realizados foram três sistemas de cultivo: (CON) sistema convencional de cultivo com semeadura na água; (SEQ) sistema com semeadura realizada no sequeiro e (ROT) sistema rotacionado de milho e arroz em um ciclo trienal. Foram monitorados e caracterizados os seguintes atributos físicos do solo: textura, densidade do solo, densidade de partículas, curva de retenção da água no solo, resistência a penetração, conteúdo de água no solo, porosidade total e morfometria de agregados, nas profundidades de 0 a 12; 12 a 24 e 24 a 35 cm. Essas determinações foram realizadas antes, durante e ao final do desenvolvimento da cultura. Os resultados mostraram que a presença da água combinada com a ação dos implementos agrícolas, teve papel fundamental na desagregação do solo e no surgimento de camadas compactadas, principalmente na profundidade de 12 a 24 cm, contribuindo na diminuição da qualidade estrutural do solo
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Gonçalves, Valdinei Araújo. „Características físicas e microbiológicas do solo em sistemas de plantio e sucessões de culturas“. Universidade Federal de Viçosa, 2014. http://locus.ufv.br/handle/123456789/4634.
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Previous issue date: 2014-02-27Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
The physical and microbiological soil properties have been widely used in monitoring its quality. This is of great importance in determining the impactful as soil management can be., which are very important for determining how impactful a soil management may be, have been widely used for monitoring soil quality. Thus, the objective of this study was to evaluate the physical and microbiological soil characteristics under cultivation and crop successions systems for ten years, in an Ultisol. The no-tillage (PD) and conventional tillage (PC), and succession crops of corn-beans (M-F) and soybean- wheat (S-T) were evaluated. For this, a field experiment in a split plot design was used, where the plots were the no-tillage (PD) and tillage (PC) systems and the subplots were the crop successions, corn-bean (M-F) and soybeans -wheat (S-T), in a completely randomized design with four replications, to physical characteristics of the soil, and three replicates for soil microbiological characteristics. Bulk density (Ds), macroporosity (Mac), microporosity (Mic), total porosity (Pt), organic matter content (MO) in the depths of 0-5; 10-15 and 20-25 cm; soil penetration resistance (RP) to a depth of 60 cm, microbial biomass carbon (MBC), soil respiration rate (C-CO2), metabolic quotient (qCO2) , microbial quotient (qMIC) and the content of total organic carbon (COT) in the depths of 0-5; 5-10 and 10-15 cm were all evaluated. Higher microporosity and total porosity of the soil was found at 0-5 cm depth in no-tillage system when C-B succession was cultivated. Bulk density was lower in both 10-15 cm and 20-25 cm depths when using the conventional tillage. Higher values of organic matter in the surface were found in the corn-bean succession in the no-tillage system. There was greater variation in the soil penetration resistance in the 5-25 cm depth, with higher RP at S-T succession in no-tillage system and reduced RP in the M-F succession in conventional tillage. Soil respiration rate differ between crop succession only in the 0-5 cm depth, which was greater for C-B succession. Conventional tillage presented higher amount of total organic carbon than no-tillage system at depths of 5-10 and 10- 15 cm. The qCO2 differed between crop successions at the depth of 10-15 cm, where the soil with the M-F succession presented the highest value. The physical and microbiological soil characteristics were affected by the tillage systems and crop ix successions after ten years. The no-tillage system yielded improvements in some physical soil properties in comparison to conventional tillage in the first 5 cm of soil after ten years of use. The cultivation M-F succession resulted in higher porosity in the soil surface and in the subsurface. The crop successions affected soil respiration rate only in the lower depth. An increased activity of microorganisms in soil is found when using the bean-corn succession crop.
As características físicas e biológicas do solo vêm sendo muito utilizadas no monitoramento da sua qualidade, sendo de grande importância na determinação do quão impactante determinado manejo de solo pode ser. Assim, objetivou avaliar as características físicas e microbiológicas do solo sob sistemas de plantio e sucessões de culturas por dez anos, em um Argissolo Vermelho-Amarelo. Foram avaliados os sistemas plantio direto (PD) e plantio convencional (PC) e as sucessões de culturas milho-feijão (M-F) e soja-trigo (S-T). Para isso, utilizou-se um experimento de campo em esquema de parcelas subdivididas, tendo nas parcelas os sistemas de plantio direto (PD) e convencional (PC) e, nas subparcelas, as sucessões de culturas, milho-feijão (M- F) e soja-trigo (S-T), no delineamento inteiramente casualizado com quatro repetições, para caracteristicas física do solo, e três repetições, para caracteristicas microbiologicas do solo. Avaliaram-se a densidade do solo (Ds), macroporosidade (Mac), microporosidade (Mic), porosidade total (Pt), teor de matéria orgânica nas profundidades de 0-5, 10-15 e 20-25 cm, resistência mecânica do solo à penetração (RP) até a profundidade de 60 cm, carbono da biomassa microbiana (CBM), taxa respiratória dos microrganismos no solo (C-CO2), quociente metabólico (qCO2), quociente microbiano (qMIC) e teor de carbono orgânico total (COT) nas profundidades de 0-5, 5- 10 e 10-15 cm. O solo sob plantio direto, na profundidade de 0-5 cm, apresentou maior microporosidade e porosidade total do solo quando cultivada a sucessão M-F. A densidade do solo foi menor quando utilizado o plantio convencional, tanto na profundidade de 10-15 cm, quanto na de 20-25 cm. Maiores teores de matéria orgânica em superfície foram observados no plantio direto da sucessão M-F. Houve maior variação na RP entre 5 e 25 cm de profundidade, com maiores valores no plantio direto sucessão S-T e menor RP no plantio convencional sucessão M-F. A taxa respiratória dos microrganismos do solo diferiu entre as sucessões de culturas apenas na profundidade de 0-5 cm, sendo ela maior para a sucessão M-F. O solo sob plantio convencional apresentou, nas profundidades de 5-10 e 10-15 cm, maior teor de carbono vii orgânico total que o do plantio direto. O qCO2 foi maior para o solo com a sucessão M- F diferiu entre as sucessões de culturas na profundidade de 10-15 cm, tendo o solo com a sucessão M-F maior valor. As características físicas e microbiológicas do solo foram afetadas pelos sistemas de plantio e sucessões de culturas, após dez anos. O plantio direto proporcionou melhorias em algumas características físicas do solo, em relação ao plantio convencional, nos primeiros 5 cm de solo, depois de dez anos de uso. O cultivo da sucessão M-F resultou em maior porosidade no solo em superfície e em subsuperfície. As sucessões de culturas influenciaram a taxa respiratória dos microrganismos no solo apenas na menor profundidade. Maior atividade dos microrganismos no solo é observada quando empregada a sucessão milho-feijão.
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RAGA, ADALTON. „Incidencia de moscas-das-frutas em cafe e citros e tratamento quarentenario de frutos citricos com radiacao gama“. reponame:Repositório Institucional do IPEN, 1996. http://repositorio.ipen.br:8080/xmlui/handle/123456789/10484.
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IPEN/T
Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
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Townsend, Marjorie Louise. „Overseeding the cover crops Hairy Vetch (Vicea Villosa Roth) and Medium Red Clover (Trofolium Pratense L.) into corn (Zea Mays L.) after the last cultivation: effects on corn yield and cover crop production of dry matter and ground cover residue“. The Ohio State University, 1998. http://rave.ohiolink.edu/etdc/view?acc_num=osu1413464088.
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POTENZA, MARCOS R. „Avaliacao de produtos naturais irradiados para o controle de Sitophilus zeamais Mots. (Coleoptera: Curculionidae) e Blattella germanica (L.) (Dictyoptera: Blattellidae)“. reponame:Repositório Institucional do IPEN, 2004. http://repositorio.ipen.br:8080/xmlui/handle/123456789/11146.
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Tese (Doutoramento)
IPEN/T
Instituto de Pesquisas Energeticas e Nucleares - IPEN/CNEN-SP
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Білик, В. М. „Агроекономічний аналіз сучасних технологій вирощування сої в ТОВ «АгроВітамін» Чернігівський район с. Роїще, Чернігівської області та заходи поліпшення стану ґрунтів“. Thesis, Чернігів, 2021. http://ir.stu.cn.ua/123456789/23153.
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Білик, В. М. Агроекономічний аналіз сучасних технологій вирощування сої в ТОВ «АгроВітамін» Чернігівський район с. Роїще, Чернігівської області та заходи поліпшення стану ґрунтів : випускна кваліфікаційна робота : 201 "Агрономія" / В. М. Білик ; керівник роботи Л. А. Шевченко ; НУ "Чернігівська політехніка", кафедра аграрних технологій та лісового господарства. – Чернігів, 2021. – 50 с.У виконаній роботі розкрито особливості сучасних технологій вирощування сої в ТОВ «Агро-Вітамін» та проведений їх агроекономічний аналіз. В першому розділі наведений аналіз літературних джерел щодо існуючого досвіду вирощування сої. В другому розділі проведений аналіз агровиробничої діяльності ТОВ «Агро-Вітамін». В третьому розділ розкрито заходи щодо вдосконалення технології вирощування сої, переваги та недоліки технологій. Четвертий розділ містить економічну оцінку заходів щодо поліпшення технології вирощування сої.
In this work, the features of modern technologies for growing soybeans in AgroVitamin and their agro-economic analysis are revealed. The first chapter provides an analysis of literature sources on the existing experience of soybean cultivation. In another section of the survey, an analysis of the agricultural production activities of Agro-Vitamin. The third section covers measures to improve soybean cultivation technology, advantages and disadvantages of technologies. The fourth section contains an economic assessment of measures to improve soybean cultivation technology.
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Ahmad, Desa. „An investigation into wetland soil-implement mechanics“. Thesis, Cranfield University, 1990. http://dspace.lib.cranfield.ac.uk/handle/1826/8785.
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An investigation was initiated to obtain some
understanding on the behaviour of soil at higher moisture content
and to explore the potential of preparing paddy fields with
reduced amounts of water. This investigation comprised of three
separate studies.
Based on existing information that water could be
reduced when soil clods were initially formed prior to flooding,
the effects of clod size, clod initial moisture content and
confining states on the rate of water uptake were explored. The
moisture gradients within clods wetted and dried for different
period of times were also studied. The results of the clod
wetting experiments show that· the rate of water uptake by
capillarity was greatest when clods were initially very dry and
smaller clods tended to absorb water faster than bigger clods
when under confined conditions. Confining had no effect on
infiltration when the initial condition was very wet. On drying,
the smallest clod dried the fastest, reduced greater volume and
increased its dry bulk density significantly. Larger clods
required,longer drying period to arrive at a uniform moisture
profile within as compared to smaller clods. Results from the
wetting experiments were tested against the infiltration model of
.Jarvis and Leeds-Harrison (1987) and a model developed based on
linear flow of heat into a solid (Carslaw and Jaeger, 1959).
A second project involved the study of soil deformation
at high moisture contents in an attempt to produce clods with
minimum draught force using simple relieved tines at various rake
angles and depths in a soil tank. The principal. objective of the
- ii -
study was to utilise soil implement mechanics knowledge to
improve the efficiency of soil preparation for wetland crops.
Aspects like the nature of soil disturbance, extent of
disturbance and draught requirement were investigated. The soil
was in a plastic consistency prepared to three specified density
states of 940, 1000 and 1250 kg/m3• The soil disturbance pattern
was monitored using implanted coloured beads and glass sided tank
studies. In addition, the extent and height of heave and surface
disturbance were noted.
Predictive models based upon Mohr-Coulomb soil mechanics
theory were developed to predict the interaction between the soil
and simple implements at three rake angles. These were based on
the lateral failure theory of Godwin and Spoor (1977) and the two
dimensional soil failure model of Hettiaratchi and Reece (1974).
Results from the single tine study were tested against the
models. A sliding resistance component and crescent effect were
incorporated to improve the predictions for the 45° and 90° rake
angle tines. The magnitude of each mode of failure is dependent
upon the critical aspect ratio which varies with tine rake angles
and soil conditions. The mode of failure is considered to be
lateral when the tine aspect ratio is larger than the critical
aspect ratio and an upward failure when the tine aspect ratio is
lower than the critical aspect ratio. The predicted results are
in close agreement with the results of the experimental studies.
For the backward raked tine, a model was developed based on the
formation of an elliptical wedge and bearing capacity type of
failure ahead and below the wedge. This failure theory was based
on the bearing capacity failure for deep footings. The model
- iii -
helped identify an additional parameter that influenced the
draught force for a backward raked tine. This parameter is the
sliding resistance component on both sides and beneath the
elliptical soil wedge •. Results from multitine studies showed that
draught force increased with tine spacinq but the increase was
not significant. In the wet condition the tines merely cut slots
and little or no interaction was noted.
In an effort to find the optimum water level for soil
puddlinq, a laboratory study was conducted to determine the
influence of water-soil ratio on the ease of puddling air dry
aqqreqates. Soil puddlinq was carried out usinq a·rotary stirrer
simulatinq the rotary motion of a rotary cultivator commonly used
in wetland preparation •. The results obtained showed that· the
fastest dispersion of particles resultinq in a minimum wet bulk
density of 1.23 Mg/m3, was achieved at a water-soil ratio of 1.2.
(A supersaturated condition equivalent to a moisture content of
120% dry basis). Increasing the water-soil ratio above this value
did not change the wet bulk density value for all stirring times.
19
Ostwald, Madelene, Anna Jonsson, Victoria Wibeck und Therese Asplund. „Mapping energy crop cultivation and identifying motivational factors among Swedish farmers“. Linköpings universitet, Centrum för klimatpolitisk forskning, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-86210.
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Based on a meta-study, the paper describes the existing options, areal extents, and Swedish farmers' conditions for energy crop production promoted by the governments to mitigate and adapt to climate change. The drivers of and barriers to cultivating various energy crops are described in terms of a variety of motivational factors. The approach used peer-reviewed and gray literature using three Internet sources. Questions addressed include the energy crops available to Swedish farmers and how well established they are in terms of areal extent. What drivers of and barriers to growing energy crops do farmers perceive? How do various motivational factors for these drivers and barriers correspond to the adoption of certain energy crops? The results indicate that 13 energy-related crops are available, of which straw (a residue), oil crops, and wheat are the most extensively produced in terms of cultivated area. Results confirm earlier research findings that converting from annual to perennial crops and from traditional crops or production systems to new ones are important barriers. Economic motivations for changing production systems are strong, but factors such as values (e.g., esthetic), knowledge (e.g., habits and knowledge of production methods), and legal conditions (e.g., cultivation licenses) are crucial for the change to energy crops. Finally, there are knowledge gaps in the literature as to why farmers decide to keep or change a production system. Since the Swedish government and the EU intend to encourage farmers to expand their energy crop production, this knowledge of such motivational factors should be enhanced.Ett konkurrenskraftigt jordbruk – kommunikation kring klimatförändring och nya möjligheter (K3), Stiftelsen Lantbruksforskning
20
NDAYISENGA, VALENCE. „APPROPRIATE FOOD PRODUCTION THROUGH INCREASING CROP YIELD AND INTRODUCING NEW CROPS IN THE DEMOCRATIC REPUBLIC OF THE CONGO“. Doctoral thesis, Università Cattolica del Sacro Cuore, 2018. http://hdl.handle.net/10280/53793.
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La mancanza di una buona dieta ben bilanciata nutrizionalmente, porta al persistente sottosviluppo, in particolare per la capacità fisica e intellettuale delle persone e ha un impatto negativo sullo sviluppo del Paese. La presente tesi di dottorato mirava a valutare le strategie per produrre un cibo appropriato sufficiente, sicuro e sostenibile attraverso la sperimentazione di diverse tecniche di coltivazione e cultivar locali di manioca per identificare quali tecniche e cultivar sono più performanti per aumentare la resa. Dall’altra parte, al fine di contribuire alla diversificazione della produzione del cibo e al miglioramento del piatto tradizionale congolese costituita da più di 80% di carboidrati in particolare la manioca, studi su nuove colture riconosciute contenere dei buoni livelli in proteine, vitamine e minerali come Patata dolce a polpa arancione (Ipomoea batatas) riconosciuta essere ricca soprattutto in provitamina A e quinoa (Chenopodium quinoa Willd.) riconosciuta in particolare per il suo buon contenuto di aminoacidi ben bilanciato sono state condotte. Come risultato, tra tre tecniche di coltivazione (Ridge, Mound e Flat) per la produzione di manioca e 5 cultivar locali di manioca (Dunda, Kakuanga, Kasongoy, Kasonie, Ngoymuamba) valutati, la coltivazione su Ridge e il culltivar Ngoymuamba hanno dato il risultato più alto (19,2 Mg ha-1 di tuberi freschi), mentre Dunda è stata la cultivar che ha prodotto molto meno (6,8 Mg ha-1 di tuberi freschi). Le cultivar di patata dolce a polpa arancione studiati, hanno dimostrato che il contenuto in β-carotene è ragionevolmente alto perché 87 g di tuberi fresche sono sufficienti per coprire la dose giornaliera raccomandata in vitamina A per gli adulti. Per quinoa, tre cultivar (Pasankalla, Puno, Titicaca) hanno dimostrato di produrre una resa considerevole in quanto la produzione in granella è stata rispettivamente di 2,2 Mg ha-1; 1,9 Mg ha-1; 1,3 Mg ha-1 per Titicaca, Pasankalla e Puno.The lack of a good diet well balanced nutritionally, leads to the persistent underdevelopment, particularly for the physical and intellectual capacity of the people and impacts negatively on the development of the country. The present doctoral thesis aimed to assess strategies to produce an appropriate food sufficient, safe and sustainable through experimenting different cultivating techniques and local cultivars of cassava for identifying which techniques and cultivars are more performant to increase yield. On the other hand, in order to contribute to the diversification of food production and improvement of the traditional Congolese diet constituted by more than 80% of carbohydrates particularly cassava, new crops recognized to have a better content in protein, minerals, and vitamins such as Orange-Fleshed Sweet Potato (Ipomoea batatas) recognized to be rich especially in provitamin A and quinoa (Chenopodium quinoa Willd.) recognized particularly for its well-balanced amino acids content were studied. As results, among three Planting methods (Ridge, Mound, and Flat) for producing cassava and 5 local cultivars of cassava (Dunda, Kakuanga, Kasongoy, Kasonie, Ngoymuamba) assessed, ridge and culltivar Ngoymuamba resulted to give the highest yield (19.2 Mg ha-1 in fresh roots), while Dunda was the cultivar which produced the lowest yield (6.8 Mg ha-1 in fresh roots). The Orange-Fleshed Sweet Potato cultivars studied showed that its content in β-carotene is reasonably high as 87 g per day can cover the whole daily allowances of vitamin A in adults’ people. On the quinoa side, three cultivars (Pasankalla, Puno, Titicaca) demonstrated to produce considerable yield as the production in grain was 2.2 Mg ha-1, 1.9 Mg ha-1, 1.3 Mg ha-1, respectively for Titicaca, Pasankalla and Puno.
21
NDAYISENGA, VALENCE. „APPROPRIATE FOOD PRODUCTION THROUGH INCREASING CROP YIELD AND INTRODUCING NEW CROPS IN THE DEMOCRATIC REPUBLIC OF THE CONGO“. Doctoral thesis, Università Cattolica del Sacro Cuore, 2018. http://hdl.handle.net/10280/53793.
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La mancanza di una buona dieta ben bilanciata nutrizionalmente, porta al persistente sottosviluppo, in particolare per la capacità fisica e intellettuale delle persone e ha un impatto negativo sullo sviluppo del Paese. La presente tesi di dottorato mirava a valutare le strategie per produrre un cibo appropriato sufficiente, sicuro e sostenibile attraverso la sperimentazione di diverse tecniche di coltivazione e cultivar locali di manioca per identificare quali tecniche e cultivar sono più performanti per aumentare la resa. Dall’altra parte, al fine di contribuire alla diversificazione della produzione del cibo e al miglioramento del piatto tradizionale congolese costituita da più di 80% di carboidrati in particolare la manioca, studi su nuove colture riconosciute contenere dei buoni livelli in proteine, vitamine e minerali come Patata dolce a polpa arancione (Ipomoea batatas) riconosciuta essere ricca soprattutto in provitamina A e quinoa (Chenopodium quinoa Willd.) riconosciuta in particolare per il suo buon contenuto di aminoacidi ben bilanciato sono state condotte. Come risultato, tra tre tecniche di coltivazione (Ridge, Mound e Flat) per la produzione di manioca e 5 cultivar locali di manioca (Dunda, Kakuanga, Kasongoy, Kasonie, Ngoymuamba) valutati, la coltivazione su Ridge e il culltivar Ngoymuamba hanno dato il risultato più alto (19,2 Mg ha-1 di tuberi freschi), mentre Dunda è stata la cultivar che ha prodotto molto meno (6,8 Mg ha-1 di tuberi freschi). Le cultivar di patata dolce a polpa arancione studiati, hanno dimostrato che il contenuto in β-carotene è ragionevolmente alto perché 87 g di tuberi fresche sono sufficienti per coprire la dose giornaliera raccomandata in vitamina A per gli adulti. Per quinoa, tre cultivar (Pasankalla, Puno, Titicaca) hanno dimostrato di produrre una resa considerevole in quanto la produzione in granella è stata rispettivamente di 2,2 Mg ha-1; 1,9 Mg ha-1; 1,3 Mg ha-1 per Titicaca, Pasankalla e Puno.The lack of a good diet well balanced nutritionally, leads to the persistent underdevelopment, particularly for the physical and intellectual capacity of the people and impacts negatively on the development of the country. The present doctoral thesis aimed to assess strategies to produce an appropriate food sufficient, safe and sustainable through experimenting different cultivating techniques and local cultivars of cassava for identifying which techniques and cultivars are more performant to increase yield. On the other hand, in order to contribute to the diversification of food production and improvement of the traditional Congolese diet constituted by more than 80% of carbohydrates particularly cassava, new crops recognized to have a better content in protein, minerals, and vitamins such as Orange-Fleshed Sweet Potato (Ipomoea batatas) recognized to be rich especially in provitamin A and quinoa (Chenopodium quinoa Willd.) recognized particularly for its well-balanced amino acids content were studied. As results, among three Planting methods (Ridge, Mound, and Flat) for producing cassava and 5 local cultivars of cassava (Dunda, Kakuanga, Kasongoy, Kasonie, Ngoymuamba) assessed, ridge and culltivar Ngoymuamba resulted to give the highest yield (19.2 Mg ha-1 in fresh roots), while Dunda was the cultivar which produced the lowest yield (6.8 Mg ha-1 in fresh roots). The Orange-Fleshed Sweet Potato cultivars studied showed that its content in β-carotene is reasonably high as 87 g per day can cover the whole daily allowances of vitamin A in adults’ people. On the quinoa side, three cultivars (Pasankalla, Puno, Titicaca) demonstrated to produce considerable yield as the production in grain was 2.2 Mg ha-1, 1.9 Mg ha-1, 1.3 Mg ha-1, respectively for Titicaca, Pasankalla and Puno.
22
Tiwari, Thakur Prasad. „Participatory crop improvement for maize/millet intercropping with trees in the middle hills of Nepal“. Thesis, Bangor University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.364984.
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23
Kenwright, Penelope Anne. „Breeding the Andean grain crop Quinoa (Chenopodium quinoa) for cultivation in Britain“. Thesis, University of Cambridge, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.306454.
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24
Cossel, Moritz von [Verfasser], und Iris [Akademischer Betreuer] Lewandowski. „Agricultural diversification of biogas crop cultivation / Moritz von Cossel ; Betreuer: Iris Lewandowski“. Hohenheim : Kommunikations-, Informations- und Medienzentrum der Universität Hohenheim, 2019. http://d-nb.info/1183790309/34.
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25
Bogaard, Amy. „The permanence, intensity and seasonality of early crop cultivation in Western-Central Europe“. Thesis, University of Sheffield, 2002. http://etheses.whiterose.ac.uk/6003/.
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The aim of this project is to assess competing models of neolithic-bronze age crop husbandry (shifting cultivation, extensive ard cultivation, floodplain cultivation, intensive garden cultivation) in the loess belt of western-central Europe and the Alpine Foreland by analysing archaeobotanical weed assemblages. Modern weed survey studies relating to three key variables (permanence, intensity, seasonality) distinguishing these models are used as ‘controls' to which the archaeobotanical weed data are compared on the basis of their weed ecological characteristics. Data on the ecology of the archaeobotanically attested weed taxa are assembled by measuring the 'functional attributes' (ecologically meaningful morphological and behavioural traits) of robust present-day specimens. This method was previously used to analyse the modern weed survey studies of traditional crop husbandry regimes, with the result that weed species characterising different regimes could be distinguished on the basis of their functional attributes. Archaeobotanical samples most likely to contain crop and weed material from the same arable source are identified by considering the influence of various taphonomic factors on sample composition. Of the thousands of archaeobotanical samples available from the study area, 130 samples, mostly neolithic (especially early neolithic) in date, are selected as offering the best evidence of crop growing conditions. Direct comparison of the modern and archaeobotanical weed data indicate that cereals (mostly glume wheats) were grown in fixed plots sown in the autumn and managed using intensive methods (e. g. careful tillage and weeding, manuring or middening). While the shifting, extensive ard and floodplain cultivation models can be excluded based on these results, intensive garden cultivation emerges as the most plausible model of crop husbandry, with a series of implications for the mobility, productivity and long-term sustainability of early crop cultivation in western-central Europe. Exploration of internal variation in weed composition among archaeobotanical samples reveals ecological trends and hence differences in crop husbandry practices between archaeological sites as well as within the best-represented site, LBK Vaihingen. Inter-site differences appear to reflect the existence of regional crop husbandry traditions, while intra-site variability in cultivation intensity at Vaihingen may relate to the unusually high degree of nucleation at this enclosed LBK site.
26
Nordhagen, Stella. „Cultivating change : crop choices and climate in Papua New Guinea“. Thesis, University of Cambridge, 2015. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.709283.
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27
Risi, Carbone J. J. M. „Adaptation of the Andean grain crop quinoa (Chenopodium quinoa Willd.) for cultivation in Britain“. Thesis, University of Cambridge, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.373695.
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28
Ullrich, Silke. „Weed Population Dynamics in Potato Cropping Systems as Affected by Rotation Crop, Cultivation, and Primary Tillage“. Fogler Library, University of Maine, 2000. http://www.library.umaine.edu/theses/pdf/Ullrich.pdf.
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29
Kiyumi, Khalifa Salem Muhammad. „Greenhouse cucumber production systems in Oman: A study on the effects of cultivation practices on crop diseases and crop yields“. Thesis, University of Reading, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.485712.
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The greenhouse sector in Oman has expanded significantly since 2001. With expansion have come problems associated with the production system. A comprehensive survey of current farmer practice in relation to production and protection activities was conducted in northern Oman in 2001-2004. Results showed an annual increase in greenhouse number of over 40% per year. A number of serious problems associated with greenhouse crop production were identified, in particular: (1) over reliance on a single crop (cucumber), (2) substantial losses due to pests and diseases, especially damping-off caused by Pythium aphanidermatum, (3) dependence on pesticides for pest and disease control, especially for damping-off disease, (4) excessive application of irrigation water ~d fertilizers. A database of locations of all farms with greenhouses in northern Oman was made using GPS information and analysed using GIS techniques. Factors were identified which cause clustering ofgreenhouses in certain locations, including proximity to markets and centres ofpopulation. Other factors such as high irrigation .' water salinity levels were identified as disincentives to greenhouse expansion. Natural epidemics of damping-off varied greatly in their temporal and spatial dynamics. Temporal progress was most rapid in the wanner seasons. Spatial dynamics were affected by temperature and position within the greenhouse. Results showed limited variation in pathogenicity among P. aphanidermatum isolates. Disease severity was negatively related to . . plant age, but positively related to temperature up to 3SoC. In the latter case this is a reflection of P. aphanidermaturrt growth in vitro. Comparisons between current fanner irrigation and fertilizer inputs and reduced inputs under controlled condit~ons showed that yield and profitability of cucumber production could be increased from current levels. An analysis of· ~. economic factors related to greenhouse crop production indicated that yield was closely related to total cost of production, but not to h~vels of pesticide input, suggesting inefficiencies in pest and disease management practices.
30
Rempel, Chérie Jeannine. „Cultivating cross-cultural awareness through the use of literature in an ESOL classroom“. Theological Research Exchange Network (TREN), 1991. http://www.tren.com.
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31
Medina, Miles D. „Effect of Aquafeed on Productivity of Red Amaranth and on Water Quality under Aquaponic Cultivation“. FIU Digital Commons, 2014. http://digitalcommons.fiu.edu/etd/1206.
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Aquaponics, the integrated production of fish and hydroponic crops in a recirculating system, is an intensive cultivation method in which metabolic fish wastes fertilize plants. This study compares the effects of two aquafeeds on Red amaranth (Amaranthus tricolor) productivity and on water quality under cultivation of Blue tilapia (Oreochromis aureus), with three aquaponic units (n=3) per treatment over a 60-day trial. The fishmeal-based control feed contains higher crude protein (40%) and phosphorus (1.12%) than the plant-based alternative feed (32% and 0.40%). The alternative feed resulted in a significantly higher amaranth crop yield (p
32
Jinadasa, Dissanayaka M. „Influence of rice paddy cultivation on V.A. mycorrhizal status of soil and on crop zinc uptake“. Thesis, University of Aberdeen, 1995. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU078148.
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A set of pot experiments and a field experiment were conducted to investigate the possible rate of vesicular-arbuscular mycorrhizal infection in alleviation of zinc deficiency in flooded rice cultivation. One of the main goals of these experiments was to infect rice seedlings with VAM fungi at the nursery stage under non-flooded conditions and, thereafter, to transplant them to flooded field conditions. In addition, other aspects such as the effect of duration and intensity of anaerobiosis on VAM fungal inoculum potential of soil comparison of the performances of different VAM fungal strains under different redox conditions, and the effect of VAM on uptake of fertilizer 65Zn, were studied. These studies revealed that short term flooding had no significant effect on VAM inoculum potential of soils. Anaerobic conditions caused by flooding and application of electron acceptors with glucose also had no marked effect on VAM inoculum potential. However, infection in rice was significantly lower than in maize and tomato, even under non-flooded conditions. A clear decrease in percentage VAM infection was observed after transplanting infected rice seedlings to flooded conditions. However, even with a low percentage infection, rice showed enhanced growth and nutrition of zinc and other nutrients due to the VAM association. In these experiments, Glomus caledonium and two tropical flood-adapted strains did not perform well. However, experiments conducted in Sri Lanka revealed that there are indiginous VAM strains in flooded soils that are well adapted to flooded conditions. Therefore, future research should be conducted to isolate and bulk these strains to use for inoculation of rice seedlings and further evaluation.
33
VanLieshout, Lawrence Anthony. „Weed control in no-till corn as affected by cultivation, herbicide banding, and cover crop suppression“. Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-12172008-063419/.
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34
Petersen, Marisol. „Cultivating community : a story of cross-cultural learning and empowerment in the downtown eastside of Vancouver“. Thesis, Vancouver : University of British Columbia, 2006. http://hdl.handle.net/2429/72.
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In multicultural cities such as Vancouver, high proportions of inner city residents and
immigrants (including refugees, domestic care workers, and citizens for whom English
is a foreign language) are, for various reasons, socially, economically, and politically excluded from the mainstream. In attempting to narrow the divide that separates those on the “outside” from those on the “inside” of society, the planning profession has become increasingly concerned with the idea of planning with, as opposed to for, marginalized individuals. This approach is most often referred to as “communitybased” or “empowerment” planning.
This thesis explores the role conversational English as a Second Language (ESL) can play in the empowerment planning process by analyzing the “ESL Summer Pilot
Project” as a case study. Collaboratively planned and implemented with residents of
the Downtown Eastside (DTES) who patronize the UBC Learning Exchange, the story/ case study reveals how a total of DTES residents helped nearly 70 immigrants practice what they need to effectively integrate into society; that is a cultural understanding of the who, what, where, when, and most importantly, how questions relating to life in Canada, and the means to ask those questions- conversational English. The story also reveals how, by taking a leadership role, these DTES residents were able to increase their sense of self-confidence, self-esteem, and capacity to make a difference in their own lives and communities.
After situating the ESL Summer Pilot Project story in the empowerment planning
literature, I based my analysis on my own observations and on those of the nine “ESL
facilitators” who participated in the focus groups I led after the pilot had concluded in the summer of 2004. What I found was that the empowerment planning process
involves, more than anything, the development of mutually trusting, mindful, and caring “planner-participant” relationships and eventually, “participant-participant” relationships, that rely on the continued use of cross-cultural dialogue (or, in this case,conversational ESL) in order to link people’s knowledge and love to action.
35
Kendall, Joshua Robert Allen. „Soil Microbial Ecology Associated with Disease Control of Fusarium oxysporum f. sp.Cucumerinum in Cucumis sativus Cultivation“. The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1438262404.
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36
Галенко, К. О. „Агроекономічний аналіз рослинницької галузі СТОВ «ДЕСНА» с. Боромики та заходи поліпшення технології вирощування картоплі“. Thesis, Чернігів, 2020. http://ir.stu.cn.ua/123456789/20085.
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Галенко, К. О. Агроекономічний аналіз рослинницької галузі СТОВ «ДЕСНА» с. Боромики та заходи поліпшення технології вирощування картоплі : дипломна робота : 201 Агрономія / К. О. Галенко ; керівник роботи Локоть О. Ю. ; Національний університет «Чернігівська політехніка», кафедра аграрних технологій та лісового господарства. – Чернігів, 2020. – 58 с.Мета роботи полягає в аналізі стану виробничої діяльності господарства СТОВ «ДЕСНА» у рослинницькій галузі та розробці заходів поліпшення технології вирощування картоплі. У першому розділі проводиться обґрунтування теми за літературними джерелами. У другому – аналіз виробничої діяльності господарства у рослинництві: загальні відомості про господарство, структура посівних площ, забезпеченість ресурсами, природні умови, система агротехнічних заходів, економічна ефективність вирощування картоплі у СТОВ «ДЕСНА». В третьому розділі наведені існуючі недоліки в технології вирощування картопля у СТОВ «ДЕСНА» та запропоновані три заходи поліпшення технології вирощування: розробити диференційовану систему обробітку, використовувати сидеративні культури як джерело органіки, провести вапнуванна ґрунтів господарства. Четвертий розділ містить економічну оцінку запропонованих заходів поліпшення технології вирощування картоплі. Охорона праці господарства представлена у 5 розділі.
The purpose of the work is to analyze the state of production activity of the farm STOV "DESNA" in the crop industry and to develop measures to improve the technology of growing potatoes. In the first section the substantiation of a theme on literary sources is carried out. In the second - analysis of production activities of the farm in crop production: general information about the farm, the structure of sown areas, resource availability, natural conditions, the system of agronomic measures, economic efficiency of potato growing in STOV "DESNA". The third section presents the existing shortcomings in the technology of growing potatoes in STOV "DESNA" and proposes three measures to improve the technology of cultivation: to develop a differentiated tillage system, to use green manure crops as a source of organic matter, to liming the soil. The fourth section contains an economic assessment of the proposed measures to improve the technology of growing potatoes. Labor protection of the farm is presented in section 5.
37
Rocabado, Paco Lucio Guillermo. „Evaluation of the use of climatically controlled pankar-huyus modules for cultivating lettuce“. BYU ScholarsArchive, 2004. https://scholarsarchive.byu.edu/etd/5429.
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Pankar-huyus are becoming an alternative solution to the Bolivian Altiplano's climate problems for agriculture and to help provide adequate nutrition for the inhabitants of this region. Pankar-huyus are small modules with mild ambient temperatures that cover roughly 4 m^2. They are built underground and are covered by agrofilm caps that, in this study, were partially opened by day and closed at night. This study evaluated the climactic parameters of minimum and maximum temperature, minimum and maximum relatively humidity inside the pankar-huyus, wind velocity outside and inside the pankar-huyus at 40 cm from the soil and at the level of the soil (thus obtaining net ratiation). The crop planted was Grand Rapids TBR--variety lettuce. The study tested two depths, 0.80 m and 1.20 m, of the pankar-huyus combined with two different degrees of cover opening, of 20 cm and 40 cm. The lettuce was planted twice (two cultivation cycles). The first was in September to October, the second from November to December. These two cycles in the present study are the two time periods mentioned. The first cycle's nursery was a walipini with disinfected soil, and the plants developed without problems. The second cycle's nursery was planted in another walipini with a non-disinfected surface, which resulted in a fungal infection that directly affected the second cycle's yield. The climate parameters were measured by instruments, which were: Thermohydrometers to measure temperature and humidity, anemometer to measure wind velocity, and a luxó to measure solar radiation. Of the combination of variables in this study, modules with a depth of 1.20 meters and a 40 cm opening gave the highest yield for this crop, despite the second crop being notably affected by a fungal infection. One of the advantages of this type of system is the favorable minimum temperatures for temperate crops. Among its disadvantages are the elevated maximum temperatures and the high minimum relative humidity of some of the modules, especially those with 0.80 m depths. Solar radiation was observed to diminish as it penetrated deeper depths inside the modules. Wind velocity did not have much influence on the magnitude inside the modules. However, greater velocity was measured on the soil, which is the center of the modules. The exterior climate factors that directly affected the interior of the modules were: maximum temperature, minimum relative humidity, and wind velocity because these occurred when the modules' covers remained open. Solar radiation is one of the principal parameters because it gives the energy necessary for all the crop's biochemical and metabolic processes.
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Кузьменко, Є. В. „Агроекономічний аналіз рослинницької галузі СТОВ «Олстас-льон» с. Городище та заходи поліпшення технології вирощування ріпаку озимого»“. Thesis, Чернігів, 2021. http://ir.stu.cn.ua/123456789/23168.
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Кузьменко, Є. В. Агроекономічний аналіз рослинницької галузі СТОВ «Олстас-льон» с. Городище та заходи поліпшення технології вирощування ріпаку озимого» : випускна кваліфікаційна робота : 201 "Агрономія" / Є. В. Кузьменко ; керівник роботи М. М. Селінний ; НУ "Чернігівська політехніка", кафедра аграрних технологій та лісового господарства. – Чернігів, 2021. – 45 с.Об’єктом дослідження є рослинницька галузь СТОВ «ОЛСТАС-Льон». Мета роботи полягає в аналізі рослинницької галузі господарства СТОВ «ОЛСТАС-Льон» та більш детальному дослідженні окремої культури – ріпаку озимого. Предметом дослідження є технологія вирощування та заходи поліпшення сільськогосподарської культури – ріпак озимий. Методи дослідження – монографічний , порівняльний , абстрактно – логічний , та економічний аналіз . Результати досліджень показали , що розвиток рослинницької галузі у СТОВ «ОЛСТАС-Льон» с. Городище в Менському районі має інтенсивних характер, це підтверджується задовільними врожаями вирощувальних культур , в тому числі ріпаку озимого , але за умов вдосконалення технології вирощування буде забезпечено підвищення прибутковості у господарстві . Дослідженою культурою був ріпак озимий.
The object of the research is the plant branch of OLSAST-Lyon STOV. The purpose of the work is to analyze the crop production sector of the OLSTAS-Lyon plant and a more detailed study of a separate crop, the winter rape. The subject of the study is the technology of cultivation and measures to improve the agricultural crop - winter rape. Methods of research - monographic, comparative, abstract - logical, and economic analysis. The results of the research showed that the development of the crop production in the OLSTAS-Lyon plant was p. The Mensky district has an intensive character, which is confirmed by satisfactory crops of crops, including winter rape, but in case of improvement of the growing technology, the profitability of the farm will be increased. The investigated culture was winter rape.
39
Kameda, Chika. „Factors Influencing the Changes of Swidden Agriculture and Its Development in Rural Livelihoods of Northern Laos“. Kyoto University, 2015. http://hdl.handle.net/2433/202730.
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Kyoto University (京都大学)0048
新制・課程博士
博士(農学)
甲第19325号
農博第2146号
新制||農||1036(附属図書館)
学位論文||H28||N4953(農学部図書室)
32327
京都大学大学院農学研究科地域環境科学専攻
(主査)教授 縄田 栄治, 教授 舟川 晋也, 教授 神﨑 護
学位規則第4条第1項該当
40
Tobin, Erik, und Linnéa Tjernström. „Potential for cultivation of Miscanthus x Giganteus for biofuel production in different climate zones : with a changing climate and limited water resources“. Thesis, KTH, Industriell ekologi, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-139099.
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Miscanthus Giganteus is a rapidly growing perennial grass utilizing C4 photosynthesis that is a promising candidate as a raw resource for “second generation” biofuel production. This study seeks to determine the long-term sustainability, from a water balance perspective, of cultivating this plant in different climate zones. CoupModel, a model for the soil-plant-atmosphere system, is utilized to model M. Giganteus and simulate its cultivation over a 30-year period at four sites in Europe, each representing a different climate zone. A future climate scenario building on historical climate data together with projections for monthly changes in temperature and precipitation, as modeled by the HadCM3 global climate model in the A2 emission scenario, is then created and used for another simulation at each site. The growth, yields, and water balances in each simulation are analyzed and compared. The highest yields and water use efficiencies are achieved in the warmest climates, but the most sustainable zones when taking water balance into account are the more humid ones. The humid continental, Dfb, zone and the humid subtropical, Cfa, zone are determined to be sustainable in the long-term for cultivation of M. Giganteus.Miscanthus Giganteus är ett snabbväxande perennt gräs med C4-fotosyntes samt en lovande kandidat som resurs i tillverkandet av andra generationens biobränslen. Denna studie syftar till att bestämma den långsiktiga hållbarheten av odling av denna växt i olika klimatzoner ur ett vattenbalansperspektiv. CoupModel, en datamodell som simulerar systemet “jord-planta-atmosfär”, används för att simulera M. Giganteus och dess tillväxt över en 30-årsperiod för fyra platser i Europa vilka alla representerar en klimatzon. Ett framtida klimatscenario som bygger på historisk klimatdata tillsammans med projektioner för framtida månatliga förändringar i temperatur och nederbörd, framtaget av HadCM3 för IPCC:s utsläppsscenario A2, tas sedan fram och används för att göra ytterligare en simulering för varje plats. Plantans tillväxt, skörd och vattenbalans för varje simulation analyseras och jämförs. De högsta skördarna och högst vattenanvändningseffektivitet uppnås i de varmaste klimaten, men de mest hållbara zonerna för odling av M. Giganteus när vattenbalansen tas hänsyn till är zonerna med mest nederbörd. Dfb-zonen, med fuktigt inlandsklimat, och Cfa-zonen med fuktigt subtropiskt klimat bedöms vara långsiktigt hållbara för odling av M. Giganteus.
41
Haley, Alasdair Brian. „The natural decline of potato cyst nematodes in the absence of a host crop and their movement by cultivation operations“. Thesis, Open University, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.434195.
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This thesis has investigated the variation in PCN population density declines in the absence of a host crop and, the movement of PCN by cultivation operations in a potato rotation. The use of crop rotation as a management strategy for the control of potato cyst nematodes (PCN) is dependent on the natural decline rate of PCN. Any substantial variation among PCN populations will influence the adequacy and duration of crop rotation. Two experiments were undertaken to assess the extent of variation in PCN decline. Experiment 1 consisted of the annual sampling of semi-permanent field test stations to monitor the population decline in five infested fields, over four years. Large variations within the PCN population densities were found over the duration of the experiment, these included apparent increases in population density. These increases were not found for the controls in the field boundaries. The observed variations were probably due to the net movement of cysts in and around the stations as a result of soil movement by cultivation, as identified in further studies. Experiment 2 consisted of 45 plunge pits with soil from different PCN infested fields. The plunge pits were sampled at four monthly intervals, for twenty months. The range of decline was 11 to 69 % per annum. The variation in decline rates between the populations could not be accounted for by differences between G. pallida and G. rostochiensis populations or completely by soil type. This suggested that decline . information was required on a site-specific basis and that sampling within a field is not reliable if cultivations are carried out between sampling dates. Further studies determined that PCN cysts are moved by cultivation operations. With the exception of the bed-former, all cultivations investigated were found to result in the movement of PCN. The range of movement by a cultivation operation was from within 1 m up to 5 m. The cultivation operation employed and its purpose determine the direction and extent of cyst movement
42
Zhang, Le. „Rural Livelihood Transition in Xishuangbanna, China:Cultivation of Para Rubber and Banana and Cross-border Activities“. Master's thesis, 京都大学 (Kyoto University), 2013. http://hdl.handle.net/2433/180383.
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Kyoto University (京都大学)0048
新制・課程博士
博士(地域研究)
甲第17839号
地博第157号
新制||地||53(附属図書館)
30654
京都大学大学院アジア・アフリカ地域研究研究科東南アジア地域研究専攻
(主査)教授 小林 繁男, 教授 河野 泰之, 准教授 竹田 晋也, 准教授 古澤 拓郎
学位規則第4条第1項該当
43
Souza, Juscelio Ramos de. „Influ?ncia dos cultivos de milho e Crotalaria juncea inoculados com fungo micorr?zico arbuscular (FMA) no desempenho agron?mico de batata-doce em sucess?o“. Universidade Federal Rural do Rio de Janeiro, 2010. https://tede.ufrrj.br/jspui/handle/tede/507.
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Previous issue date: 2010-07-16Conselho Nacional de Desenvolvimento Cient?fico e Tecnol?gico
The study was conducted at the Experimental Field of Embrapa Agrobiologia Serop?dica, with the aim: to evaluate the effects of the corn and Crotalaria juncea inoculated with Glomus clarum on the capacity of multiplication of arbuscular mycorrhizal fungi (AMF) and performance of potato sweet (Ipomoea batatas) in succession. Constituted the treatments: T1 - (Crotalaria + 0 spores FMA/m-1), T 2 - (Crotalaria + 300 spores FMA/m-1), T3-(Crotalaria + 900 spores FMA/m-1); T4 - (Crotalaria + 1800 spores FMA/m-1), T5-( Corn + 0 spores FMA/m-1) T6 - (Corn + 300 spores FMA/m-1) T7 - (Corn + 900 spores FMA/m-1) and T8 - (Corn + 1800 spores FMA/m-1) . Adopted was randomized block design, were estimated the biomass of shoots of each species, the number of spores and total G. clarum, the rate of colonization, the levels and amounts of N, P and K as well as the productivity of sweet potato tubers in commercial value. Pre cultivation of Crotalaria juncea showed higher root yield and part air of sweet potatoes when compared to corn. Inoculation with Glomus clarum allowing higher concentrations and total accumulation of N, P and K in shoots of maize and Crotalaria juncea. Inoculation with G.clarum pre cultivation Crotalaria juncea, allowing higher concentrations and total accumulation of N, P and K in shoots of sweet potatoes when compared to pre-cultivation with corn. The highest level of mycorrhizal colonization of sweet potato, was obtained after pre cultivation maize inoculated with G. clarum. The highest yield of sweet potato was obtained after cultivation of Crotalaria juncea inoculated at a dose of 1050 spores G. clarum per meter.
O estudo foi realizado no Campo Experimental da Embrapa Agrobiologia, Serop?dica, RJ, tendo por objetivo: avaliar os efeitos dos cultivos de milho e Crotalaria juncea inoculados com Glomus clarum, na capacidade de multiplica??o deste fungo micorr?zico arbuscular (FMA) e no desempenho da batata-doce (Ipomoea batatas) em sucess?o. Constitu?ram os tratamentos: T1 (Crotal?ria + 0 esporos de FMA/m-1); T 2- (Crotalaria + 300 esporos de FMA/m-1); T3- (Crotal?ria + 900 esporos de FMA/m-1); T4 (Crotal?ria + 1800 esporos de FMA/m-1); T5- (Milho + 0 esporos de FMA/m-1); T6 (Milho + 300 esporos FMA/m-1); T7 (Milho + 900 esporos FMA/m-1) e T8 (Milho + 1800 esporos FMA/m-1. Adotou-se delineamento experimental de blocos casualizados, estimaram-se as biomassas da parte a?rea de cada esp?cie, o n?mero de esporos de FMA totais e de G. clarum, a taxa de coloniza??o micorr?zica, os teores e quantidades de N, P e K, assim como a produtividade da batata-doce em tub?rculos de padr?o comercial. O pr? cultivo de Crotalaria juncea proporcionou maior produtividade de ra?zes e da parte a?rea de batata doce, quando comparado ao milho. A inocula??o com o FMA G. clarum proporcionou aumento nos teores e acumula??o total de N, P e K na parte a?rea do milho e da Crotalaria juncea. A inocula??o com o FMA Glomus clarum no pr? cultivo de Crotalaria juncea, proporcionou aumento nos teores e acumula??o total de N, P e K na parte a?rea da batata doce, quando comparado ao pr? cultivo com milho. O n?vel mais elevado de coloniza??o micorr?zica da batata doce, foi obtido ap?s o pr? cultivo de milho inoculado com Glomus clarum. A maior produtividade de batata doce foi obtida ap?s o cultivo de Crotalaria juncea inoculado na dose de 1050 esporos de Glomus clarum por metro linear.
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Govanhica, Guerra Joaquim Mecuve. „Avaliação do potencial para a produção de tomate em ambiente protegido em Moçambique“. Master's thesis, Universidade de Évora, 2019. http://hdl.handle.net/10174/26137.
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Em Moçambique a maioria das culturas hortícolas, e em particular a cultura do tomate, apresentam
baixos níveis de produtividade. Existe escassez deste produto no mercado principalmente
nos meses de verão, em particular em dezembro na quadra festiva do natal, quando a procura é
grande. A produção de tomate apresenta uma sazonalidade muito marcada, caracterizada por maior
produção em períodos de clima favorável, ou seja, na estação fria em que as temperaturas são
amenas.
O objetivo deste trabalho consistiu em avaliar o potencial de produção da cultura de tomate
em Moçambique em 4 regiões: Maputo, Beira, Nampula e Chimoio.
Os resultados obtidos mediante recurso a modelos de balanço de energia, balanço de massa
e modelos de previsão da produção mostraram que a produção de tomate em ambiente protegido
tem elevado potencial em Moçambique.
Com o sistema de produção sob coberto, usando rede de sombra, o nível de radiação solar
dentro da construção é menor e estimou-se uma redução na temperatura do ar e aumento da humidade
relativa. A produção estimada indica um potencial de alta produtividade da cultura de tomate,
usando este recurso simples de controlo ambiental. Os indicadores económicos mostram que a
produção da cultura de tomate sob coberto é economicamente viável nas regiões selecionadas; ABSTRACT:
“Evaluation of the potential for producing vegetables in protected cultivation in Mozambique”
In Mozambique most horticultural crops, and in particular the tomato crop, have low levels
of productivity. There is a shortage of this product on the market especially in the summer, particularly
in December when demand is high during Christmas and New Year celebrations. Tomato
production is characterised by a very marked seasonality, with the production concentrate in the
favourable climate period, that is, during the “cold” season when air temperature is mild.
The objective of this work was to evaluate the potential of tomato crop production in Mozambique
in 4 regions: Maputo, Beira, Nampula and Chimoio.
The results obtained using energy and mass balance models and production models showed
that tomato production in protected environment has high potential in Mozambique.
Tomato cultivation in protected environment, using shading screens, allows to reduce solar
radiation within the building and it was estimated a reduction in air temperature and an increase of
relative humidity. Estimated yield indicates a high yield potential of tomato crop using this simple
environmental control technique. Economic indicators showed that protected tomato crop cultivation
is economically viable in the selected regions.
45
Elfadl, Elfadl Yousif Elmogtaba. „Suitability of safflower (Carthamus tinctorius L.) for cultivation as an oil crop under the conditions of organic and low-input farming systems in Central Europe“. Göttingen Cuvillier, 2010. http://d-nb.info/1000781100/04.
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46
Crosswhite, Carol D., und Frank S. Crosswhite. „Trichocereus as a Potential Nursery Crop in Southern Arizona, With Discussion of the Opuntia Borer (Cerambycidae: Moneilema gigas) as a Serious Threat to its Cultivation“. University of Arizona (Tucson, AZ), 1985. http://hdl.handle.net/10150/609067.
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Southern Arizona and southern California are economically competing regions with regard to production of ornamental cacti and succulents for sale throughout the United States. Economics of field -production vs greenhouse- production are discussed for both regions. Comparatively few cacti and succulents are field -produced in Arizona because few ornamental selections have been located which can economically be produced in the open considering the rigors of the desert environment. The Golden Torch Cactus (Trichocereus spachianus (Lem.) Ricc.) represents a promising nursery crop for field production in southern Arizona but has four seemingly unrelated problems. These problems are all shown to result from damage to Trichocereus by a single species of Cerambycid beetle, with damage to the cactus occurring throughout the life cycle of the beetle. Despite such an intimate relationship between beetle and Trichocereus, and although the beetle seems more destructive to Trichocereus than to native North American cacti, the beetle, far from proving to be an Argentinian introduction like Trichocereus, actually belongs to the genus of native Opuntia Borer (Moneilema), associated with Cholla and Prickly Pear in North America since the classic observations by Thomas Say on Major Long's 1819 -20 expedition to the Rocky Mountains. Although the present article is thought to be the first report of damage to Trichocereus by Moneilema, the degree to which we have found Trichocereus in Arizona to be infested suggests a rather long- standing condition. Specifically, we report Moneilema gigas LeConte to cause the following pathologic conditions in Trichocereus spachianus in Arizona: 1) bacterial and fungal rot of deep internal tissues, 2) external chewing disfiguration by adult beetles, 3) sporadic growth spurts making disfiguring constrictions of the stem, and 4) hollowing out of stems by boring larvae. Possible reasons for the virulence of Moneilema gigas in attacking Trichocereus are discussed. With the knowledge that four major problems associated with Trichocereus cultivation in Arizona actually result from infestation by a single beetle species, and with the possibility of controlling this insect pest, commercial field -production of the cactus in southern Arizona may finally prove economically rewarding.
47
Устинов, К. В. „«Агроекономічний аналіз рослинницької галузі ТОВ «Біокарт-Агро» с.Ведильці та заходи поліпшення технології вирощування кукурудзи на зерно“. Thesis, Чернігів, 2020. http://ir.stu.cn.ua/123456789/20096.
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Устинов, К. В. Агроекономічний аналіз рослинницької галузі ТОВ «Біокарт-Агро» с.Ведильці та заходи поліпшення технології вирощування кукурудзи на зерно: дипломна робота : 201 Агрономія / К. В. Устинов ; керівник роботи Локоть О. Ю.; Національний університет «Чернігівська політехніка», кафедра аграрних технологій та лісового господарства. – Чернігів, 2020. – 54 с.Тема випускної кваліфікаційної роботи: «Агроекономічний аналіз рослинницької галузі ТОВ «Біокарт-Агро» с.Ведильці та заходи поліпшення технології вирощування кукурудзи на зерно».Мета роботи: вивчення стану виробничої діяльності господарства ТОВ «Біокарт-Агро» у рослинницькій галузі та заходи поліпшення технології вирощування кукурудзи на зерно.
urpose: to study the state of production activities of the farm LLC "Biocard-Agro" in the crop industry and measures to improve the technology of growing corn for grain
48
Бутурлим, Д. А. „Агроекономічний аналіз рослинницької галузі ПП «Земля і Воля Агро» м. Носівка Ніжинського району та заходи поліпшення технології вирощування ярого ячменю“. Thesis, Чернігів, 2021. http://ir.stu.cn.ua/123456789/23155.
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Бутурлим, Д. А. Агроекономічний аналіз рослинницької галузі ПП «Земля і Воля Агро» м. Носівка Ніжинського району та заходи поліпшення технології вирощування ярого ячменю : випускна кваліфікаційна робота : 201 "Агрономія" / Д. А. Бутурлим ; керівник роботи Г. І. Рябуха ; НУ "Чернігівська політехніка", кафедра аграрних технологій та лісового господарства. – Чернігів, 2021. – 64 с.Тема випускної кваліфікаційної роботи: «Агроекономічний аналіз рослинницької галузі ПП «Земля і Воля Агро» м. Носівка Ніжинського району та заходи поліпшення технології вирощування ярого ячменю». У розділі 1 обґрунтована тема за літературними джерелами. Наведена інформація по ярому ячменю пивоварному, описані біологічні особливості й вимоги культури до навколишнього середовища та умов вирощування. Характеристика ПП «Земля і Воля Агро» проведена у 2 розділі. Подані загальні відомості про господарство, охарактеризовано ґрунтово-кліматичні умови, представлена технологія вирощування ярого ячменю пивоварного. Недоліки в технології вирощування ярого ячменю та рекомендовані заходи її поліпшення наведені у 3 розділі. У 4 розділі проведена економічна оцінка запропонованих заходів технології вирощування ярого ячменю.
The topic of the bachelor thesis: «Agroeconomic analysis of the crop industry PE «Zemlya&Volya Agro» Nosivka Nizhyn district and measures to improve the growing technology of spring barley». Section 1 substantiates the topic on a base of literary sources. The biological features, culture requirements to environment and cultivation conditions of spring malting barley are described. Section 2 describes the characteristics of PE «Zemlya&Volya Agro». It includes general information about the enterprise, characteristic of soil and climatic conditions, and cultivation technology of spring malting barley. Recommended measures for improving the cultivation technology of spring barley are given in section 3. The economic analysis of the offered measures in spring barley cultivation technology is presented in section 4.
49
Nagumo, Gustavo Kazuo. „Desdobramento da função qualidade (QFD) aplicado à produção de mudas de café (Coffea arabica L.)“. Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/11/11148/tde-16112005-163217/.
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A produção de mudas de qualidade constitui um dos principais fatores de sucesso da cultura cafeeira, principalmente para a substituição de cafezais não-produtivos, e implantação de novas técnicas de produção. Através dessa demanda realizou-se um trabalho em conjunto com a Cooperativa dos Cafeicultores da Região de Marília (Coopemar), no município de Marília (SP), estabelecendo e analisando as características exigidas pelos clientes de mudas de café enxertadas, e comercializadas em tubetes plásticos. A aplicação da metodologia foi composta por 2 fases: aquisição das qualidades exigidas pelos clientes com aplicação da metodologia QFD (Casa da Qualidade) e emprego de ferramentas de controle de qualidade no sistema produtivo. A aquisição da qualidade exigida foi composta de entrevistas com os cooperados, clientes de mudas, com a finalidade de captar quais as características e serviços analisados na aquisição da muda de café e qual o grau de importância de cada característica exigida. Nessa etapa os itens de qualidade exigida prazo de entrega, enxerto bem-feito, preço acessível e condições de pagamento obtiveram os maiores pesos relativos. Desdobrando as qualidades exigidas mencionadas em requisitos técnicos, o estado nutricional, massa seca da parte aérea, massa seca das raízes, altura da planta e diâmetro do caule foram os itens que alcançaram o maior peso relativo, nesta ordem de importância. No controle produtivo os requisitos técnicos (indicadores de qualidade) selecionados foram submetidos à verificação através da utilização de cartas de controle e histogramas. Com a utilização do diagrama de causa e efeito também pode-se determinar três características importantes: profundidade de plantio, altura de enxertia e peso de substrato por recipiente. Os resultados permitiram avaliar que dentre as características analisadas o estado nutricional, altura e diâmetro do caule apresentaram-se sob controle, porém os itens profundidade de plantio, altura de enxertia e peso de substrato por recipiente evidenciaram que o processo ocorria fora de controle. Devido à baixa correlação com as características da qualidade, os itens de qualidade exigida alcançaram baixo peso relativo nos respectivos itens de qualidade projetada e os processos fora de controle ocorridos durante o processo produtivo surgiram como proposta para melhorias para obtenção da muda de café com atributos da planta e dos serviços intrínsecos, segundo exigência dos clientes.The production of quality seedling constitutes one of the main factors of success of the coffee cultivation, mainly for the substitution of not-productive coffee crops, and implantation of new techniques of production. A collaborative work with Cooperative of the Coffee Producers of the Marília Region (Cooperativa dos Cafeicultores da Região de Marília - Coopemar) was carried out to establish and analyze the characteristics required by the customers of seedling of grafted coffee which are commercialized in plastic tubes. This work consists of two phases: i) Quality control required by the customers applying the QFD methodology (House of Quality); and, ii) The utilization of quality control tools in the production system. Interviews with customers of seedling were carried out with the purpose to discover which characteristics and services analyzed in the acquisition of the coffee seedling and how important each required characteristic was. In the first phase, the quality requirements, such as the delivery deadline, high quality grafting, affordable prices and the conditions of payment presented major weight in the analysis. The characteristics such as the nutrition level, dry mass of the aerial part, dry mass of the root, the height and diameter of stalk for the seedling were met satisfactorily, in this order of importance. In the productive control (indicators of quality) technical requirement selected had been submitted to the verification through the use of letters of control and histograms. With the use of the diagram of cause and effect it can also determine three important characteristics: depth of seedling, height of grafting and weight of the property per container. The results had conclued that amongst the analyzed characteristics such as the nutrition level, the height and diameter of stalk for the seedling were met satisfactorily. Nevertheless, other requirements like the depth of seedling, height of grafting and weight of the property per container did not meet the criteria. Due to low correlation with the characteristics of the quality, itens of demanded quality had reached low relative weight in respective itens of projected quality and the occurred processes out of control during the productive process had appeared as proposal for improvements for attainment of the seedling of coffee with attributes of the plant and the intrinsic services, according to requirement of the customers.
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Деркач, Д. С. „Оптимізація елементів технології вирощування соняшнику на прикладі СК «Нива» Менського району“. Thesis, Чернігів, 2021. http://ir.stu.cn.ua/123456789/25079.
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Деркач, Д. С. Оптимізація елементів технології вирощування соняшнику на прикладі СК «Нива» Менського району : випускна кваліфікаційна робота : 201 "Агрономія" / Д. С. Деркач ; керівник роботи В. І. Канівець ; НУ "Чернігівська політехніка", кафедра аграрних технологій та лісового господарства. – Чернігів, 2021. – 56 с.Тема кваліфікаційної роботи: «Оптимізація елементів вирощування соняшнику на прикладі СК «Нива»» У розділі 1 обґрунтовується в загальному тема за літературними джерелами. У 2 розділі описані об'єкти та методи досліджень, схема та мета проведення виробничого досліду. Виконано опис технології вирощування соняшнику у досліді. Описано підбір пестицидів за діючою речовиною та наведено їх характеристику. Проведена характеристика природно-кліматичних умов та ґрунтів господарства. У 3 розділі описані результати досліджень, вплив систем захисту на урожайність соняшнику. Економічна ефективність запропонованих заходів по вирощуванню соняшнику наведена у 3 розділі. Об’єм дипломної роботи (проекту) 55 сторінок друкованого тексту, 1 рисунок, 15 таблиць, 50 джерело використаної літератури. Досліджуваною культурою був соняшник, а саме заходи з поліпшення технології вирощування в господарстві найефективніші схеми гербіцидного та фунгіцидного захисту, підбір гібриду.
Section 1 substantiates in general the topic of literary sources. Section 2 describes the objects and methods of research, the scheme and purpose of the production experiment. The description of sunflower growing technology in the experiment is made. The selection of pesticides by the active substance is described and their characteristics are given. The characteristic of natural-climatic conditions and soils of economy is carried out. Section 3 describes the results of research, the impact of protection systems on sunflower yield. The economic efficiency of the proposed measures for growing sunflower is given in section 3. Thesis volume (project) 55 pages of printed text, 1 figure, 15 tables, 50 sources of used literature. The studied crop was sunflower, namely measures to improve the technology of cultivation on the farm, the most effective schemes of herbicide and fungicide protection, selection of hybrids.