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Статті в журналах з теми "Crop rotation Evaluation"

Автор: Grafiati
Опубліковано: 4 червня 2021
Оновлено: 7 лютого 2022

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1

Shevchenko, M. S., L. M. Decyatnik, and K. A. Derevenets-Shevchenko. "Modern systems of agriculture and a new interpretation of crop rotation value of agricultural crops." Scientific Journal Grain Crops 4, no. 2 (December 11, 2020): 319–29. http://dx.doi.org/10.31867/2523-4544/0141.

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Based on a broad experimental study of crop rotation productivity in different locations of the Steppe zone, a correlative model for estimating the role of predecessors in the formation of post-crop yields has been developed. The connection between quality of agrotechnologies and change of degree of crop rotation competitiveness of culture is presented. A retrospective analysis of the efficiency of farming and crop rotation systems showed that the constant improvement of varieties and hybrids of crops and technologies for their cultivation created objective agrobiological grounds for reassessm
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2

Prymak, I., L. Karpuk, M. Yermolaev, A. Pavlichenko, and L. Filipova. "Main criteria for evaluation of efciency and contradictions in the process of crop rotation implementation." Agrobìologìâ, no. 1(163) (May 25, 2021): 7–14. http://dx.doi.org/10.33245/2310-9270-2021-163-1-7-14.

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Анотація:
The nature of subjective positioning on the role of crop rotations in agriculture from many points of view, namely – agrochemical, biological, geological and energetic. This leads to the belief that crop rotation arose as a need for reasonable human interaction with nature, a careful attitude to it. However, a comprehensive ecological and biosphere approach to understanding the essence of crop rotation requires the resolution of certain contradictions that arise in the implementation of modern farming systems. Based on the data of long-term feld experiments, the main indicators of the biologic
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3

He, Dun-Chun, Yan-Li Ma, Zhuan-Zhuan Li, Chang-Sui Zhong, Zhao-Bang Cheng, and Jiasui Zhan. "Crop Rotation Enhances Agricultural Sustainability: From an Empirical Evaluation of Eco-Economic Benefits in Rice Production." Agriculture 11, no. 2 (January 21, 2021): 91. http://dx.doi.org/10.3390/agriculture11020091.

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Cropping systems greatly impact the productivity and resilience of agricultural ecosystems. However, we often lack an understanding of the quantitative interactions among social, economic and ecological components in each of the systems, especially with regard to crop rotation. Current production systems cannot guarantee both high profits in the short term and social and ecological benefits in the long term. This study combined statistic and economic models to evaluate the comprehensive effects of cropping systems on rice production using data collected from experimental fields between 2017 an
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4

Canner, Stephen R., L. J. Wiles, Robert H. Erskine, Gregory S. McMaster, Gale H. Dunn, and James C. Ascough. "Modeling With Limited Data: The Influence of Crop Rotation and Management on Weed Communities and Crop Yield Loss." Weed Science 57, no. 2 (April 2009): 175–86. http://dx.doi.org/10.1614/ws-08-036.1.

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Theory and models of crop yield loss from weed competition have led to decision models to help growers choose cost-effective weed management. These models are available for multiple-species weed communities in a single season of several crops. Growers also rely on crop rotation for weed control, yet theory and models of weed population dynamics have not led to similar tools for planning of crop rotations for cost-effective weed management. Obstacles have been the complexity of modeling the dynamics of multiple populations of weed species compared to a single species and lack of data. We develo
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5

Ismaeel, A., and Q. Zhou. "EVALUATION OF DIFFERENT PHENOLOGICAL INFORMATION TO MAP CROP ROTATION IN COMPLEX IRRIGATED INDUS BASIN." ISPRS - International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences XLII-3 (April 30, 2018): 617–24. http://dx.doi.org/10.5194/isprs-archives-xlii-3-617-2018.

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Accurate information of crop rotation in large basin is essential for policy decisions on land, water and nutrient resources around the world. Crop area estimation using low spatial resolution remote sensing data is challenging in a large heterogeneous basin having more than one cropping seasons. This study aims to evaluate the accuracy of two phenological datasets individually and in combined form to map crop rotations in complex irrigated Indus basin without image segmentation. Phenology information derived from Normalized Difference Vegetation Index (NDVI) and Leaf Area Index (LAI) of Moder
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6

Al-Khafaji, Riyadh T., Erin E. Gunnink Troth, Kris N. Lambert, Jeffrey A. Johnston, and Alan T. Dyer. "Pathotypes Detected Among Populations of Pratylenchus neglectus Collected From Montana." Plant Disease 103, no. 12 (December 2019): 3259–64. http://dx.doi.org/10.1094/pdis-12-18-2234-re.

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The root lesion nematode, Pratylenchus neglectus, is one of the most damaging nematodes to affect wheat worldwide. The nematode is widely distributed in Montana, primarily affecting winter wheat within the state. Managing the nematode primarily involves rotation to resistant and moderately resistant crops (peas, lentils, and barley). A nematode survey was conducted across the state nearly 10 years after an initial survey, to reassess the nematode threat and assess the impact of changing trends in crop rotations. To assess the broad applicability of rotation crops to control P. neglectus across
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7

SOLER, C. M. TOJO, V. B. BADO, K. TRAORE, W. MCNAIR BOSTICK, J. W. JONES, and G. HOOGENBOOM. "Soil organic carbon dynamics and crop yield for different crop rotations in a degraded ferruginous tropical soil in a semi-arid region: a simulation approach." Journal of Agricultural Science 149, no. 5 (January 28, 2011): 579–93. http://dx.doi.org/10.1017/s0021859611000050.

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SUMMARYIn recent years, simulation models have been used as a complementary tool for research and for quantifying soil carbon sequestration under widely varying conditions. This has improved the understanding and prediction of soil organic carbon (SOC) dynamics and crop yield responses to soil and climate conditions and crop management scenarios. The goal of the present study was to estimate the changes in SOC for different cropping systems in West Africa using a simulation model. A crop rotation experiment conducted in Farakô-Ba, Burkina Faso was used to evaluate the performance of the croppi
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8

Young, Douglas L. "Role of economic analysis in the evaluation of new dryland technologies." American Journal of Alternative Agriculture 11, no. 2-3 (September 1996): 127–31. http://dx.doi.org/10.1017/s0889189300006913.

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AbstractAn evaluation of agricultural systems often involves multidisciplinary teams that include crop scientists, animal scientists, soil scientists, pest control specialists, agricultural economists, and others. Agricultural economists can improve the technical quality and comprehe nsiveness of agricultural systems research in six major areas: budgeting and investment analyses; whole-farm and institutional factors; risk considerations; aggregate effects on crop and livestock prices; society-wide welfare effects of technical or policy changes; and economic values of environmental and other no
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9

ALLESINA, Giulio, Simone PEDRAZZI, Carlo Alberto RINALDINI, Tommaso SAVIOLI, Nicolo MORSELLI, Enrico MATTARELLI, and Paolo TARTARINI. "ICOPE-15-1003 Experimental-analytical evaluation of sustainable syngas-biodiesel CHP systems based on oleaginous crop rotation." Proceedings of the International Conference on Power Engineering (ICOPE) 2015.12 (2015): _ICOPE—15——_ICOPE—15—. http://dx.doi.org/10.1299/jsmeicope.2015.12._icope-15-_1.

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10

Takáč, Jozef, Bernard Šiška, and Vladimír Píš. "Evaluation of Adaptive Measures to Reduce Climate Change Impact on Soil Organic Carbon Stock In Žitný Ostrov Region." Agriculture (Polnohospodárstvo) 57, no. 3 (October 1, 2011): 85–95. http://dx.doi.org/10.2478/v10207-011-0009-9.

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Evaluation of Adaptive Measures to Reduce Climate Change Impact on Soil Organic Carbon Stock In Žitný Ostrov RegionClimate change impacts on soil organic carbon sequestration rate were simulated by agroecological model DAISY. Daily meteorological data for the Danubian Lowland up to 2100 were generated according to emission scenarios SRES A2 and B1 using general circulation model CGCM3.1. Effect of gradual increase of CO2concentration in the atmosphere was taken into account. Various crop rotations as well as various management practices including irrigation and crop residuals incorporation wer
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11

Ushkarenko, V. O., and K. V. Dudchenko. "EVALUATION OF AGRO-AMELIORATIVE CONDITION OF THE MAIN TYPES OF SOILS OF RICE CROP ROTATION." Міжвідомчий тематичний науковий збірник "Меліорація і водне господарство", no. 1 (July 22, 2019): 36–41. http://dx.doi.org/10.31073/mivg201901-158.

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Relevance of research. The most common irrigation regime for rise in the world is constant flooding.
 Soils of rice crop rotation undergo significant changes during the construction of rice irrigation systems, and during their operation. This leads to the formation of so-called "rice soils" that is the result of the transformation of full-profile soils, which were partially or completely disturbed when planning and building rice checks. Keeping the water layer in the field for 4-5 months leads to irreversible changes in the morphological, physical and chemical soil properties. Therefore,
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12

Muchová, Z. "Changes in technological quality of food wheat in a four crop rotation." Plant, Soil and Environment 49, No. 4 (December 10, 2011): 146–50. http://dx.doi.org/10.17221/4105-pse.

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The evaluation of technological characteristics of food wheat (Triticum aestivum L.), grown in a four crop rotation (corn, barley, pea, wheat) since 1994, is presented. Samples of grain, whole grain meals, and flours of the varieties Vlada and Samanta were analyzed. The samples originated from field trials at a research base nearNitra. All important methods of the assessment of the raw material technological quality (intended use for milling and baking) were applied. A total of 22 characteristics were evaluated (15 of them are shown in Table 1). The highest
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13

Berdnikov, О. М., V. V. Volkohon, L. V. Potapenko, and S. F. Kozar. "AGROCHEMICAL EVALUATION OF THE EFFICACY OF BIOPREPARATIONS IN A HIGHLY CROP ROTATION." Agriciltural microbiology 31 (July 7, 2020): 44–50. http://dx.doi.org/10.35868/1997-3004.31.44-50.

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Objective. Determine the parameters of uptake of organic matter and biogenic elements withby-products of crops under the use of mineral and green-manure-mineral fertilization systems andmicrobial preparations. Methods. Field experiment, agrochemical, balance, statistical. Results.Under the conditions of short crop rotation “winter wheat – intermediate green manure – corn forgrain – soybean – winter wheat”, the influence of microbial preparations Biogran (on the basis ofnitrogen-fixing bacterium Azospirillum brasilense 410 and physiologically active substances) forcorn and Nitro-Legu (on the ba
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14

Potapenko, L. V., L. M. Skachok, and N. I. Horbachenko. "ECONOMIC AND ENERGY EFFICIENCY OF FERTILIZING SYSTEMS OF AGRICULTURAL CROPS UNDER ACTION OF MICROBIAL PREPARATIONS IN SHORT ROTATION OF CROPS." Agriciltural microbiology 28 (July 10, 2018): 63–69. http://dx.doi.org/10.35868/1997-3004.28.63-69.

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Objective. Carry out economic and energy evaluation of fertilizing systems of agricultural crops, including for the use of microbial preparations.
 Methods. Field, laboratory, statistical-economic, calculation-comparative.
 Results. On the basis of studies in a long-term field experiment on sod-podzolic soils, economic and energy estimation of crop cultivation in the crop rotation line: lupine - winter rye – potato - oats-was carried out depending on fertilizing systems and pre-seed bacterization of seeds. The prospect of improved organomineral fertilizing system “animal manure + NPK
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15

Strašil, Zdeněk, Milan Vach, and Vladimír Smutný. "The Energy Effectiveness Of Crops In Crop Rotation Under Different Soil Tillage Systems." Agriculture (Polnohospodárstvo) 61, no. 3 (September 1, 2015): 77–87. http://dx.doi.org/10.1515/agri-2015-0013.

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Abstract The paper identifies and compares the energy balance of winter wheat, spring barley and white mustard – all grown in crop rotation under different tillage conditions. The field trial included the conventional tillage (CT) method, minimum tillage (MT) and a system with no tillage (NT). The energy inputs included both the direct and indirect energy component. Energy outputs are evaluated as gross calorific value (gross heating value of phytomass dry matter) of the primary product and the total harvested production. The energy effectiveness (energy output: energy input) was selected for
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16

Miller, D. R., S. Y. Chen, P. M. Porter, G. A. Johnson, D. L. Wyse, S. R. Stetina, L. D. Klossner, and G. A. Nelson. "Rotation Crop Evaluation for Management of the Soybean Cyst Nematode in Minnesota." Agronomy Journal 98, no. 3 (May 2006): 569–78. http://dx.doi.org/10.2134/agronj2005.0185.

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17

Pokhrel, S., and S. Pokhrel. "Legumes crop rotation can improve food and nutrition security in Nepal." Agronomy Journal of Nepal 3 (October 24, 2013): 123–27. http://dx.doi.org/10.3126/ajn.v3i0.9014.

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An intensive review of the literatures was made to access the importance of crop rotation for sustainable agriculture in Nepal. Result shows that an appropriate crop sequences improves soil fertility, reduces fertilizer cost, controls soil erosion, makes environment healthy, increases crop yields and develop sustainable crop production in the long run. Based on the study, identification of location specific crop sequences, their extension and evaluation of the impact on food production are recommended. Agronomy Journal of Nepal (Agron JN) Vol. 3. 2013, Page 123-127 DOI: http://dx.doi.org/10.31
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18

Pankhurst, CE, BG Hawke, HJ McDonald, CA Kirkby, JC Buckerfield, P. Michelsen, KA O'Brien, VVSR Gupta, and BM Doube. "Evaluation of soil biological properties as potential bioindicators of soil health." Australian Journal of Experimental Agriculture 35, no. 7 (1995): 1015. http://dx.doi.org/10.1071/ea9951015.

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Two long-term field trials in South Australia were used to detect and characterise changes in soil biological properties that were a consequence of different agricultural management. The properties examined were total bacteria, fungi, and actinomycetes; total pseudomonads; cellulolytic bacteria and fungi; mycorrhizal fungi; plant root pathogens (Gaeumannomyces graminis var. tritici, Rhizoctonia solani, Pythium irregulare); bacterial-feeding protozoa; soil mesofauna (collembola and acari); earthworms; microbial biomass; C and N mineralisation; in situ CO2 respiration; cellulose decomposition; a
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19

Borsato, Eros, Alejandro Galindo, Paolo Tarolli, Luigi Sartori, and Francesco Marinello. "Evaluation of the Grey Water Footprint Comparing the Indirect Effects of Different Agricultural Practices." Sustainability 10, no. 11 (November 1, 2018): 3992. http://dx.doi.org/10.3390/su10113992.

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Increasing global food demand and economic growth result in increasing competition over scarce freshwater resources, worsened by climate change and pollution. The agricultural sector has the largest share in the water footprint of humanity. While most studies focus on estimating water footprints (WFs) of crops through modeling, there are only few experimental field studies. The current work aims to understand the effect of supposedly better agricultural practices, particularly precision agriculture (variable rate application of fertilizers and pesticides) and conservation agriculture (minimum,
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20

Keatinge, J. D. H., and K. Somel. "Guidelines for Improved Agronomic Management and Economic Evaluation of Crop Rotation Trials in Mediterranean Environments." Experimental Agriculture 29, no. 4 (October 1993): 437–47. http://dx.doi.org/10.1017/s0014479700021153.

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SummaryThis paper offers guidelines for successful crop rotation trials derived from experience at ICARDA in the period 1980–1990. Emphasis is placed on the need to determine realistically the likelihood of the long-term, successful completion of the trial and the importance of considering carefully experimental design criteria prior to trial establishment. This involves assessment of what primary and secondary information to collect for the trial, and over what duration, in order to ensure an appropriate return for the large investment generally undertaken in any crop rotation trial.Principio
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21

Kvasnitska, L. S. "Productivity of short-term crop rotation sones of sufficient moisture Right-Bank Forest." Interdepartmental thematic scientific collection "Agriculture" 1, no. 92 (May 16, 2017): 50–53. http://dx.doi.org/10.31073/zem.92.50-53.

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It is presented the results of the comparative evaluation of five-fields rotation, rich in grain and industrial crops, it is determinedthe most productive set of options that offer high and sustainable yield of crops, high energy and economic efficiency in the conditions of sufficient moisture Right-Bank Forest. It is found that the highest overall performance of all experimental rotation - out of 1 hectare of arable land fodder units - 10.60 m and digestible protein - 0.789 tonnes was received in rotation with 20% saturation of sugar beets and soybeans, 60% of crops for mineral fertilizer sys
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22

Colbach, Nathalie, and Philippe Debaeke. "Integrating crop management and crop rotation effects into models of weed population dynamics: a review." Weed Science 46, no. 6 (December 1998): 717–28. http://dx.doi.org/10.1017/s0043174500089761.

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Current weed demography models were reviewed to evaluate how the effects of cultural practices on weed dynamics were integrated into the models and to suggest possible ways to improve the simulation of cropping system effects. Several models were chosen to illustrate the interactions between cropping systems and weed dynamics. The first one described the structure of the weed life cycle. The second model integrated the effects of a wide set of cultural practices; the comparison of this example with other models suggested how the integration of cropping system effects could be improved. The las
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23

Bulyhin, S., and O. Tonkha. "Biological evaluation of the rationality of soil usage in agriculture." Agricultural Science and Practice 5, no. 1 (April 15, 2018): 23–29. http://dx.doi.org/10.15407/agrisp5.01.023.

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Aim. To perform biological evaluation of 60-year-long application of different variants of fertilization in terms of the number of microorganisms, transforming the compounds of nitrogen and carbon. Methods. Microbiological methods – determining the number of microorganisms, transforming the organic compounds and nitrogen, statistical processing. Results. It was determined that the application of a crop rotation with legumes and the variant with complete mineral fertilization on meadow-chernozem carbonate soils formed a balanced composition of microbial cenosis and the most optimal conditions f
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24

Nizkiy, Sergei, and Aleksei Muratov. "On the issue of involving abandoned agricultural land in crop rotation." E3S Web of Conferences 203 (2020): 02005. http://dx.doi.org/10.1051/e3sconf/202020302005.

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In the nineties of the last century due to the known economic stress experienced in this time in Russia there were more than fifty million hectors of arable lands withdrawn from the Russian agricultural turnover. There are more than one million hectors of such arable deserted lands in the Amur Region of the Russian Federation (The Far Eastern part of Russia). These arable lands have turned into deteriorating lands in abeyance being colonized by weeds and periodically attacked by fires. As a result of this, these promising agricultural lands, being used for the food supply and forage resources
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25

Hama, Takehide, Toshio Fujimi, Takeo Shima, Kei Ishida, Yasunori Kawagoshi, and Hiroaki Ito. "Evaluation of groundwater recharge by rice and crop rotation fields in Kumamoto, Japan." Journal of Water and Climate Change 11, no. 4 (September 16, 2019): 1042–49. http://dx.doi.org/10.2166/wcc.2019.045.

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Abstract In Kumamoto, Japan, about one million people depend for all their water on groundwater resources. Paddy fields and rice farming in the middle river watershed area make a large contribution to the groundwater recharge. In our research, an environmental measure (artificial flooding for groundwater recharge) conducted by local governments is evaluated. Hydrological measurement was conducted in a paddy plot in the area. A simple model of water distribution was developed on the basis of the field measurement. Then, drought risk in the paddy-field district was estimated using the model and
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26

González U., Jorge, Pablo Undurraga, Juan Hirzel, and Ingrid Martínez G. "Economic evaluation of a crop rotation portfolio for irrigated farms in central Chile." Chilean journal of agricultural research 73, no. 3 (September 2013): 243–49. http://dx.doi.org/10.4067/s0718-58392013000300006.

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27

Tremblay, G. J., J. Boisvert, G. É. Fréchette, M. Saulnier, R. Alexandre, and A. Vanasse. "Évaluation à moyen terme des besoins en engrais minéraux (N, P, K) d'une rotation en grandes cultures sur sol argileux." Canadian Journal of Soil Science 91, no. 4 (July 2011): 637–46. http://dx.doi.org/10.4141/cjss10013.

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Tremblay, G. J., Boisvert, J., Fréchette, G. É., Saulnier, M., Alexandre, R. and Vanasse, A. 2011. Mid term evaluation of mineral fertilizer requirements (N, P, K) of a field crop rotation on a clay soil. Can. J. Soil Sci. 91: 637–646. In Quebec, the recommended fertilizer requirements have been lowered since 1994. A study was undertaken from 1998 to 2005 in a 4-yr rotation of wheat (Triticum aestivum L.), soybean [Glycine max (L.) Merr.] and grain corn (Zea mays L.) to verify the mid-term mineral fertilizer requirements (N, P, K) for these field crops. Four levels of nitrogen (N) and three le
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28

Campos, Ben-Hur Costa de, Telmo Jorge Carneiro Amado, Carlos Gustavo Tornquist, Rodrigo da Silveira Nicoloso, and Jackson Ernani Fiorin. "Long-term C-CO2 emissions and carbon crop residue mineralization in an oxisol under different tillage and crop rotation systems." Revista Brasileira de Ciência do Solo 35, no. 3 (June 2011): 819–32. http://dx.doi.org/10.1590/s0100-06832011000300017.

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Soil C-CO2 emissions are sensitive indicators of management system impacts on soil organic matter (SOM). The main soil C-CO2 sources at the soil-plant interface are the decomposition of crop residues, SOM turnover, and respiration of roots and soil biota. The objectives of this study were to evaluate the impacts of tillage and cropping systems on long-term soil C-CO2 emissions and their relationship with carbon (C) mineralization of crop residues. A long-term experiment was conducted in a Red Oxisol in Cruz Alta, RS, Brazil, with subtropical climate Cfa (Köppen classification), mean annual pre
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29

Kamoshita, Akihiko, Masaya Ishikawa2, Jun Abe, and Hiromi Imoto. "Evaluation of Water-Saving Rice-Winter Crop Rotation System in a Suburb of Tokyo." Plant Production Science 10, no. 2 (January 2007): 219–31. http://dx.doi.org/10.1626/pps.10.219.

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30

Jing, Y. D., Z. L. He, X. E. Yang, and C. Y. Sun. "Evaluation of Soil Tests for Plant‐available Mercury in a Soil–Crop Rotation System." Communications in Soil Science and Plant Analysis 39, no. 19-20 (November 2008): 3032–46. http://dx.doi.org/10.1080/00103620802432907.

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31

Kubát, J., J. Klír, and D. Pova. "The dry nitrogen yields nitrogen uptake, and the efficacy on nitrogen fertilisation in long-term experiment in Prague." Plant, Soil and Environment 49, No. 8 (December 10, 2011): 337–45. http://dx.doi.org/10.17221/4134-pse.

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Long-term field experiments conducted under different soil and climate conditions and their databases provide invaluable information and are indispensable means in the study of the productivity and sustainability of the soil management systems. We evaluated the results of the dry matter yields of the main products obtained with four variants of organic and mineral fertilisation in three long-term field experiments established in 1955. The experiments differed in the cultivated crops. The period of evaluation was 12 and 16 years (1985–2000), respectively. The productivity of nine-year
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32

Šteinberga, Vilhelmīne, Olga Mutere, Inga Jansone, Ina Alsiņa, and Laila Dubova. "Effect of Buckwheat and Potato as Forecrops on Soil Microbial Properties in Crop Rotation." Proceedings of the Latvian Academy of Sciences. Section B. Natural, Exact, and Applied Sciences 66, no. 4-5 (December 1, 2012): 185–91. http://dx.doi.org/10.2478/v10046-012-0027-7.

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Анотація:
Field trials were carried out at the experimental cereal breeding fields in Stende (Latvia), an area characterized by a northern temperate climate. The soil had been under short-term organic or conventional crop management and was then subjected to crop rotation, using buckwheat (Fagopyrum esculentum Moench.) and potato (Solanum tuberosum L.) as the forecrops; wheat (Triticum aestivum L.) and oat (Avena sativa L.) as the following crops; and two fertilizer regimes under common organic and conventional practices. As the evaluation criteria of the soil quality, physico-chemical (pH value, organi
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33

Zemko, Martin, Peter Petluš, and Viera Petlušová. "Agricultural utilisation and potential suitability of the Sysľovské polia Special Protection Area (south-western Slovakia) landscape in relation to the habitat requirements of the red-footed falcon (Falco vespertinus)." Slovak Raptor Journal 11, no. 1 (December 1, 2017): 69–81. http://dx.doi.org/10.1515/srj-2017-0010.

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Анотація:
Abstract Intensification of land use in an agricultural landscape significantly affects biodiversity also in protected areas. This can be observed in the Sysľovské polia Special Protection Area in relation to the occurrence of the red-footed falcon (Falco vespertinus). The objective of this study was to evaluate the landscape structure and suitability of agrotechnical procedures for the habitat demands of this species in the course of the period from 2004 until 2017. The utilisation was assessed on the basis of four landscape elements representation in 1949 and 2017. The next step was analysis
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34

Vach, M., Z. Strašil, and M. Javůrek. "Economic Efficiency of Selected Crops Cultivated under Different Technology of Soil Tillage." Scientia Agriculturae Bohemica 47, no. 1 (March 1, 2016): 40–46. http://dx.doi.org/10.1515/sab-2016-0007.

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Анотація:
Abstract The objective of this study was the model comparison and economic evaluation of different methods of soil tillage and crop stand establishments used. Based on yield results (winter wheat, spring barley, and white mustard cultivated in three-crop rotation) from field experiments with conventional, conservation with minimum tillage, and no-tillage methods conducted at the site Prague-Ruzyně, model economic balances were evaluated. Prices of the main products were determined based on the yield results from the period 2010-2013 and the current market prices. In the individual tillage syst
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35

Rokochynskyy, Anatoly, Sergey Mendus, and Turchenyuk Basil. "SUBSTANTIATION OF EVALUATION CRITERIA FOR OVERALL FUNCTIONING EFFICIENCY OF UKRAINIAN DANUBE RICE IRRIGATION SYSTEMS." International Journal of New Economics and Social Sciences 3, no. 1 (June 30, 2016): 0. http://dx.doi.org/10.5604/01.3001.0010.4722.

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Анотація:
The paper presents the results of studies the efficiency of the Danube rice irrigation systems south of Ukraine on the basis of appropriate analysis of productivity leading rice rotation culture - the culture of rice. Substantiated a set of indicators covering different aspects of the complex process of formation of a crop of rice crop, with the aim of improving and optimizing the management of rice irrigation system in compliance with the modern ecological and economic requirements.
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36

Ogles, Charles Zachry, Joseph M. Kemble, Amy N. Wright, and Elizabeth A. Guertal. "Evaluation of an Organic Nitrogen Source in a Yellow Squash–Collard Rotation." HortScience 50, no. 1 (January 2015): 51–58. http://dx.doi.org/10.21273/hortsci.50.1.51.

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Анотація:
In-season nitrogen (N) management is a common challenge in organic vegetable production. This is especially true when using polyethylene mulch combined with fertigation. Soluble organic N sources suitable for fertigation in organic vegetable production are needed. The objective of this research was to evaluate an organic fish fertilizer in a squash/collard rotation and to compare its effectiveness to inorganic sources. A 2-year crop sequence of yellow squash (Cucurbita pepo) and collards (Brassica oleracea var. acephala) was used. To eliminate the rotation order effect, the crops were switched
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37

VESTBERG, M., S. KUKKONEN, and K. SAARI. "Cropping system impact on soil quality determinants." Agricultural and Food Science 11, no. 4 (January 4, 2002): 311–28. http://dx.doi.org/10.23986/afsci.5733.

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Анотація:
Worldwide interest in soil quality evaluation has increased rapidly throughout the past decade, prompting us to evaluate the long-term impact of four cropping systems on several biological, chemical and physical determinants of soil quality. We hypothesized that after 17 years several of the determinants would show significant differences between conventional cereal and low input/organic rotations. Four crop rotations were imposed on a silt soil from 1982 through 1999. Rotation A was a conventionally managed cereal rotation that received 100% of the recommended mineral fertilizer each year. Ro
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38

Steiner, J. L., J. R. Williams, and O. R. Jones. "Evaluation of the EPIC Simulation Model Using a Dryland Wheat‐Sorghum‐Fallow Crop Rotation 1." Agronomy Journal 79, no. 4 (July 1987): 732–38. http://dx.doi.org/10.2134/agronj1987.00021962007900040030x.

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39

Behle, Robert W., and Terry A. Isbell. "Evaluation of Cuphea as a Rotation Crop for Control of Western Corn Rootworm (Coleoptera: Chrysomelidae)." Journal of Economic Entomology 98, no. 6 (December 1, 2005): 1984–91. http://dx.doi.org/10.1093/jee/98.6.1984.

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40

Revill, Andrew, Carmen Emmel, Petra D’Odorico, Nina Buchmann, Lukas Hörtnagl, and Werner Eugster. "Estimating cropland carbon fluxes: A process-based model evaluation at a Swiss crop-rotation site." Field Crops Research 234 (March 2019): 95–106. http://dx.doi.org/10.1016/j.fcr.2019.02.006.

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41

McKeown, Alan W., John W. Potter, R. F. Cerkauskas, and L. Van Driel. "Long-term Evaluation of Cover Crop and Strip Tillage on Tomato Yield, Nematode Populations, and Foliar Diseases." HortScience 32, no. 3 (June 1997): 511A—511. http://dx.doi.org/10.21273/hortsci.32.3.511a.

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Анотація:
A long-term experiment in the same site was planted to evaluate potential yield, nematode, and disease problems with tomatoes (Lycopersicon esculentum Mill.) in a strip-till system. Treatments consisted of conventional tillage (CT) and strip tillage (ST), rye (Secale cereale L.), wheat (Triticum aestivum L.), and perennial ryegrass (Lolium perenne L.) cover crops and a 2-year rye–tomato rotation. Results of the first 5 years indicate a decrease in tomato yield over time for both tillage treatments and cover crops. Tomato yields were lower following wheat and perennial ryegrass than rye. Strip-
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42

Narimatsu, Karem C. P., Luiz M. M. de Mello, Luis A. da Silva Domingues, Carlos A. Chioderoli, and Ronaldo C. Lima. "Corn productivity in function of surface application of lime in differents management systems and cultural preparation." Engenharia Agrícola 34, no. 2 (April 2014): 254–62. http://dx.doi.org/10.1590/s0100-69162014000200007.

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Анотація:
The evaluation of technologies employed at the agricultural production system such as crop rotation and soil preparation, both associated with crop-livestock integration, is crucial. Therefore, the aim of the present study was to evaluate the incorporation of lime for three no-tillage systems and cultural managements in system of crop-livestock integration, with emphasis on corn grain yield. The experiment was conducted from January 2003 to April 2005 at Selvíria city, MS, in Dystroferric Red Latosol, clay texture. The experimental design was randomized blocks with split plots consisted of thr
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43

Wiese, Allen F., Clay D. Salisbury, Brent W. Bean, Monty G. Schoenhals, and Steve Amosson. "Economic Evaluation of Field Bindweed (Convolvulus arvensis) Control in a Winter Wheat-Fallow Rotation." Weed Science 44, no. 3 (September 1996): 622–28. http://dx.doi.org/10.1017/s0043174500094443.

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Анотація:
Field bindweed infests millions of hectares in the Great Plains greatly reducing productivity and value of land. The standard practice for field bindweed control is sweep tillage at 3 wk intervals combined with one or two annual 2,4-D) applications during the 14 mo fallow period in a winter wheat-fallow crop rotation. This was compared to tillage and 2,4-D in conjunction with dicamba or a mixture of picloram+2,4-D applied once during the first October of the first 14 mo fallow period. Also, three no-tillage systems were included using glyphosate+2,4-D at monthly intervals. Two of the treatment
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44

Zoundji, Gerard C., Simplice D. Vodouhe, Florent Okry, Jeffery W. Bentley, and Rigobert C. Tossou. "Beyond Striga Management: Learning Videos Enhanced Farmers’ Knowledge on Climate-Smart Agriculture in Mali." Sustainable Agriculture Research 7, no. 1 (November 7, 2017): 80. http://dx.doi.org/10.5539/sar.v7n1p80.

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Анотація:
This paper assesses the climate smart agricultural practices triggered by learning videos on integrated striga management, soil fertility and cost and benefit evaluation practices. Using household head interviews and focus group discussions, this study revealed that farmers have similar perceptions of climate change and related impacts in video-villages and in non-video-villages. However, farmers’ observation of climate change and related impacts are influenced by gender; men perceived more climate change and related impacts than women. In non-video villages, few respondents adopted crop rotat
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45

Yunusa, I. A. M., W. D. Bellotti, A. D. Moore, M. E. Probert, J. A. Baldock, and S. M. Miyan. "An exploratory evaluation of APSIM to simulate growth and yield processes for winter cereals in rotation systems in South Australia." Australian Journal of Experimental Agriculture 44, no. 8 (2004): 787. http://dx.doi.org/10.1071/ea03121.

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Анотація:
The Agricultural Production Systems Simulator (APSIM) suite of models was used to predict dynamics in water and nitrogen in soil, as well as the growth and yield of sequential crops of wheat and barley in pasture–wheat–barley rotations, between 1995 and 1997 at Roseworthy, South Australia. The NWHEAT model satisfactorily predicted above-ground dry matter, leaf area index and grain yields for both crops in rotations with either grassy (Grass) or medic (Medic) pastures, including the lack of significant response of yield to nitrogen fertiliser applied to wheat at sowing. Simulation data for soil
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46

Johnston, A. M., H. H. Janzen, and E. G. Smith. "Long-term spring wheat response to summerfallow frequency and organic amendment in southern Alberta." Canadian Journal of Plant Science 75, no. 2 (April 1, 1995): 347–54. http://dx.doi.org/10.4141/cjps95-059.

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Анотація:
A long-term rotation experiment was established in 1951 to determine the influence of summerfallow frequency and organic amendment on the yield and quality of unfertilized spring wheat (Triticum aestivum L.) on a Dark Brown Chernozem (Typic Haploboroll) at Lethbridge, Alberta. Wheat was grown either continuously (W), in a 2-yr summerfallow-wheat rotation (FW), or in a 3-yr fallow-wheat-wheat rotation (FWW). No fertilizer N was applied and P, at 22 kg ha−1, was applied to all wheat crops starting in 1985. The 3-yr rotation was also amended with livestock manure (FmWW) and modified to include a
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47

Banda, John S. K., Alice M. Mweetwa, Munsanda Ngulube, and Elijah Phiri. "Chemical and Biological Properties of Soils Under Maize-Cowpea Cropping Systems in Conservation Agriculture." Journal of Agricultural Science 10, no. 5 (April 11, 2018): 100. http://dx.doi.org/10.5539/jas.v10n5p100.

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Анотація:
The paper reports findings from an evaluation of the effects of selected chemical and biological properties of soils under maize-cowpea cropping systems in Conservation Agriculture (CA) and their relationship to biological nitrogen fixation capabilities of cowpea. Soils from Kayowozi Agriculture Camp of Chipata District of Zambia where CA had been practiced for six years were evaluated. Cropping systems studied included conventional tillage (control), maize monocropping (sole maize), maize-cowpea intercrop, maize-cowpea rotation: maize phase and maize-cowpea: cowpea phase. Standard laboratory
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48

Lazányi, János, and J. Loch. "Evaluation of 0.01 M CaCl 2 Extractable Nitrogen Forms in a Long-term Experiment." Agrokémia és Talajtan 55, no. 1 (March 1, 2006): 135–44. http://dx.doi.org/10.1556/agrokem.55.2006.1.15.

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Анотація:
Soil nitrogen undergoes a series of chemical and biological transformations, which influence their availability to plants and the leaching losses. Methods for measuring various forms of nitrogen in soil are important in order to improve N management and to minimize losses of essential nutrients in soils. In the present study 0.01 M CaCl 2 extraction was used to determine the concentrations of ammonium, nitrate and N-organic forms, as these are closely related to the N mineralization potential of the soil and play a major role in nitrogen availability to plants. Improving the precision of nitro
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49

Samuel, Alina Dora, Delia Mirela Tit, Carmen Elena Melinte (Frunzulica), Ciprian Iovan, Lavinia Purza, Manuel Gitea, and Simona Bungau. "Enzymological and Physicochemical Evaluation of the Effects of Soil Management Practices." Revista de Chimie 68, no. 10 (November 15, 2017): 2243–47. http://dx.doi.org/10.37358/rc.17.10.5864.

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Анотація:
Soil enzymes activities have been considered as sensitive indicators of alteration soil quality by management. In order to obtain new data on the soil enzymological effects of soil management practices, we have determined some enzymatic activities in a preluvosoil submitted to a complex tillage and crop rotation experiment at the Agricultural Research and Development Station in Oradea (Bihor County). Actual and potential dehydrogenase, acid phosphatase and catalase activities were investigated in a split plot experiment where tillage (no-till and conventional tillage) was the main plot and cro
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50

McKeown, Alan W., R. F. Cerkauskas, John W. Potter, and L. van Driel. "Long-term evaluation of cover crop and strip-tillage on tomato yield, foliar diseases and nematode populations." Canadian Journal of Plant Science 78, no. 2 (April 1, 1998): 341–48. http://dx.doi.org/10.4141/p97-090.

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Анотація:
A 6-yr (1987–1992) experiment, continuous on the same site, evaluated potential problems for yield, nematodes and diseases with tomatoes (Lycopersicon esculentum Mill.) grown in a strip-till system. Treatments consisted of conventional tillage (CT) and strip tillage (ST), rye (Secale cereale L.), wheat (Triticum aestivum L.) and perennial ryegrass (Lolium perenne L.) cover crops and a 2-yr rye-tomato rotation. Results of the first 5 yr indicated a decrease in tomato yield over time for both tillage treatments and cover crops. However, yield rebounded overall for treatments in 1992 with the hig
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