Bibliografie tematiche / Soil conservation

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Letteratura scientifica selezionata sul tema "Soil conservation"

Autore: Grafiati
Pubblicato: 4 giugno 2021
Ultima modifica: 10 agosto 2024

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Articoli di riviste sul tema "Soil conservation"

1

Potter, Clive. "Beyond Soil Conservation". Environment: Science and Policy for Sustainable Development 38, n. 7 (settembre 1996): 25–27. http://dx.doi.org/10.1080/00139157.1996.9930984.

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Pattanayak, Subhrendu K., e D. Evan Mercer. "Indexing Soil Conservation". Journal of Sustainable Forestry 15, n. 2 (21 maggio 2002): 63–85. http://dx.doi.org/10.1300/j091v15n02_03.

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3

Castellini, Mirko, Mariangela Diacono, Concetta Eliana Gattullo e Anna Maria Stellacci. "Sustainable Agriculture and Soil Conservation". Applied Sciences 11, n. 9 (1 maggio 2021): 4146. http://dx.doi.org/10.3390/app11094146.

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Abstract (sommario):
Soil degradation is one of the most topical environmental threats. A number of processes causing soil degradation, specifically erosion, compaction, salinization, pollution, and loss of both organic matter and soil biodiversity, are also strictly connected to agricultural activity and its intensification. The development and adoption of sustainable agronomic practices able to preserve and enhance the physical, chemical, and biological properties of soils and improve agroecosystem functions is a challenge for both scientists and farmers. This Special Issue collects 12 original contributions addressing the state of the art of sustainable agriculture and soil conservation. The papers cover a wide range of topics, including organic agriculture, soil amendment and soil organic carbon (SOC) management, the impact of SOC on soil water repellency, the effects of soil tillage on the quantity of SOC associated with several fractions of soil particles and depth, and SOC prediction, using visible and near-infrared spectra and multivariate modeling. Moreover, the effects of some soil contaminants (e.g., crude oil, tungsten, copper, and polycyclic aromatic hydrocarbons) are discussed or reviewed in light of the recent literature. The collection of the manuscripts presented in this Special Issue provides a relevant knowledge contribution for improving our understanding on sustainable agriculture and soil conservation, thus stimulating new views on this main topic.
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Guo, Zhongsheng. "New Theory of Soil and Water Conservation Conservation". Journal of Biomedical Research & Environmental Sciences 1, n. 4 (agosto 2020): 064–69. http://dx.doi.org/10.37871/jels1122.

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Abstract (sommario):
Water and soil loss affects the carbon and nitrogen cycles of terrestrial ecosystems, forest vegetation ecosystem products and services, and ultimately the quality of life and sustainable development of the public. China has the most serious soil erosion in the world, notably on the Loess Plateau. After years of efforts, soil and water conservation in China has developed rapidly, the surface runoff and soil loss in soil and water loss areas have decreased rapidly, and people’s living standards have gradually improved. With these improved living standards, people have higher requirements for soil and water conservation. However, soil and water conservation lacks scientifi c theoretical guidance. In this paper, through comprehensive analysis of relevant literature, a new theory of soil and water conservation is proposed. The results shows that soil and water losses refer to the process of transferring soil and water resources from one place to another, and the consequences of these losses can be divided into positive and negative effects. Soil and water conservation is not only the use of some methods or measures to reduce soil erosion to soil allowable loss requirements, but also to make efficient use of soil and water resources. The construction standard of soil and water conservation measures must be based on the allowable amount of soil erosion and be applied using spatially optimal allocation, and the work of soil and water conservation should ensure regional ecological security and realize the sustainable development of soil and water conservation.
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Simmons, S. R. "Soil conservation, stubble over the soil". Field Crops Research 55, n. 3 (febbraio 1998): 287–88. http://dx.doi.org/10.1016/s0378-4290(97)00085-3.

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Di Prima, Simone, Mirko Castellini, Mario Pirastru e Saskia Keesstra. "Soil Water Conservation: Dynamics and Impact". Water 10, n. 7 (18 luglio 2018): 952. http://dx.doi.org/10.3390/w10070952.

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Abstract (sommario):
Human needs like food and clean water are directly related to good maintenance of healthy and productive soils. A good understanding of human impact on the natural environment is therefore necessary to preserve and manage soil and water resources. This knowledge is particularly important in semi-arid and arid regions, where the increasing demands on limited water supplies require urgent efforts to improve water quality and water use efficiency. It is important to keep in mind that both soil and water are limited resources. Thus, wise use of these natural resources is a fundamental prerequisite for the sustainability of human societies. This Special Issue collects 15 original contributions addressing the state of the art of soil and water conservation research. Contributions cover a wide range of topics, including (1) recovery of soil hydraulic properties; (2) erosion risk; (3) novel modeling, monitoring and experimental approaches for soil hydraulic characterization; (4) improvement of crop yields; (5) water availability; and (6) soil salinity. The collection of manuscripts presented in this Special Issue provides more insights into conservation strategies for effective and sustainable soil and water management.
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Deragon, Raphaël, Anne-Sophie Julien, Jacynthe Dessureault-Rompré e Jean Caron. "Using cultivated organic soil depth to form soil conservation management zones". Canadian Journal of Soil Science 102, n. 3 (1 settembre 2022): 633–50. http://dx.doi.org/10.1139/cjss-2021-0148.

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Abstract (sommario):
Cultivated Organic soils in Montreal's southwest plain are the most productive soils in the province of Quebec. After their initial drainage to enable farming, Organic soils are susceptible to many forms of degradation and soil loss. In this study, we characterized the physical, chemical, and pedological properties of 114 sites from five peatlands to form soil conservation management zones. We attempted to use the maximum peat thickness (MPT) as a soil degradation proxy. The MPT can be defined as the thickness of the layer of peat until coprogenous or mineral materials are reached. The latter are undesired growing media and are not considered in MPT calculation. A series of multivariate analysis of variance indicated that MPT was moderately related to soil degradation (optimal model's Pillai's trace = 0.495). Three soil degradation groups were defined, separated by two MPT thresholds: 60 and 100 cm. When looking at 17 different depth-property combinations, shallower sites (MPT < 60 cm) showed signs of soil degradation significantly higher than sites with an MPT above 60 cm. The second threshold was proposed for practical purposes. Then, these thresholds were used to separate the study area into spatially distinct management zones. Important spatial contrasts were found. This supports the theory that precision agriculture techniques are needed to target fields to optimize soil conservation interventions. The relationship between the MPT and soil degradation should be further explored to account for other degradation factors, and to better identify degraded soils and soils at risk.
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Ahuchaogu, Israel, Precious Ehiomogue e Unwana Udoumoh. "Effects of soil and water conservation measures on the environment: A review". Poljoprivredna tehnika 47, n. 3 (2022): 42–55. http://dx.doi.org/10.5937/poljteh2203042a.

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Abstract (sommario):
The preservation and sustainable development of soil and water resources is one of the basic principles for the development of the environment. Soil degradation was a significant global issues during the 20th century and remains of high importance in the 21 st century as it affect the environment, agronomic production, food security, and quality of life. This review provides an extensive review information on soil conservation strategies or methods and their applications. Based on this, the most promising soil conservation technologies are identified to improve the management and conservation of soil resources. This review also aims to provide general characteristics of soil and water loss, explore the relationship between soil and water conservation and sustainable development, and to provide relevant methods for soil and water conservation. The result of this review shows that measures focused on soil and water conservation by ridging, constructing earth bunds and terraces, mulching, multiple cropping, fallowing, and tree planting. Mulching, crop management, and conservation tillage are appropriate technologies for conserving sandy soils of high erosivity and low water holding capacity. Leguminous cover crops and residue management reduce the impact of rain. These measures also reported to enhance the levels of soil organic matter and nutrients, especially nitrogen, which is generally limited in tropical soils. Intercropping of compatible species is recorded as a promising cropping system, as cultures with different rooting patterns and growth cycles can promote nutrient recycling and suppress weeds.
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Robinson, D., e R. P. C. Morgan. "Soil Erosion and Conservation". Geographical Journal 162, n. 2 (luglio 1996): 233. http://dx.doi.org/10.2307/3059905.

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Van Es, H. M. "Soil Conservation for Survival". Journal of Environmental Quality 22, n. 4 (ottobre 1993): 871. http://dx.doi.org/10.2134/jeq1993.00472425002200040039x.

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Tesi sul tema "Soil conservation"

1

Stenberg, Maria. "Soil tillage influences on nitrogen conservation /". Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 1998. http://epsilon.slu.se/avh/1998/91-576-5468-9.gif.

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Hoshino, Mitsuo, e 光雄 星野. "Soil erosion and conservation in Western Kenya". Graduate School of Environmental Studies, Nagoya University, 2006. http://hdl.handle.net/2237/7323.

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Hwang, Sang Won. "Sustainable use of soil resource base in the Dominican Republic : a farm level economic analysis of soil conservation practices /". This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-01122010-020205/.

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Piccoli, Ilaria. "CHALLENGES OF CONSERVATION AGRICULTURE ON SILTY SOILS. DISENTANGLING THE EFFECTS OF CONSERVATION PRACTICES ON SOIL ORGANIC CARBON CYCLE AND SOIL PORE NETWORK IN NORTH-EASTERN ITALY". Doctoral thesis, Università degli studi di Padova, 2017. http://hdl.handle.net/11577/3424845.

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Abstract (sommario):
Soil organic matter loss is a widely recognized European soil threat and intensive and repeated tillage operations are known to negatively affect numerous soil properties and ecosystem services. In this view, the study on more sustainable agronomic managements is a pressing need for research community. Between sustainable techniques, conservation agriculture (CA) is nowadays a spread technique based on three main pivotal points: 1) minimum soil disturbance, 2) permanent soil covering and 3) crop diversification. CA is often associated with numerous soil functions such as increasing of soil biodiversity, organic matter stocks and aggregate stability and decreasing of runoff, erosion and P losses and dioxide carbon emissions. Despite the first estimates, CA practices are recently not recognized as a win-win solution for climate mitigation and agro-ecosystem improvement because the absence of tillage operations may impact the crop root growth through an increase in soil strength and bulk density, and reduce soil porosity and gas exchanges and lastly, the overall benefits of CA have been strictly related to soil type and climate. Within this viewpoint of not consistent results, more research is needed to understand and optimize the potential of sustainable agronomic practices. For these reasons, in this work, a field experiment was conducted including four farms on the low-lying plain of Veneto Region characterized by silty soils, in which conservation agriculture practices (no-tillage, cover crops and residues retention) were applied and compared to conventional tillage system. The first objective of the thesis was to evaluate the effects of CA practices on C cycle. The soil organic carbon (SOC) evolution in terms of both stock quantity and quality was monitored over a 3-yr transition period. The SOC stock was quantified through an equivalent soil mass approach up to 50 cm depth while the influence of each CA component was disentangled considering crop, cover crop and root biomasses, and tillage type as separate factors. The SOC quality was evaluated through humic carbon, its molecular weight distribution and microbial biomass analyses. The study showed that after short period, CA adoption did not increase C stock but rather its distribution within the soil profile while a positive effect was observed on humic carbon with the production of more polycondensed humic substances. The second objective regarded the evaluation of the soil gas exchange properties in the poorly structured silty soils of the low-lying plain. The effect of conservation agriculture practices on soil pore and gas transport characteristics was studied through the analyses of air permeability, gas diffusivity and air-filled porosity, and the derivation of soil structure indices on 144 undisturbed 100 cm3 soil cores. Gas transport measurements highlighted low transmission properties of the silty soils independently from agronomic management leading to critical value for both soil aeration and microbial aerobic activity. The third objective focused on the characterisation of the soil structure evolution after 5-yr of conservation agriculture management adoption. The soil pore network was quantified coupling mercury intrusion porosimetry and x-ray micro-tomography to study the total porosity and size distribution, from the macro- to the ultramicro- scale, and its architecture, on 96 undisturbed soil samples collected in the field experiment. Results suggested that silty soils of Veneto plain are micro-structured since much of the porosity is in the 0.0074-30 μm range and CA practices showed a positive influence on the ultramicroporosity range (0.1-5 μm) which are strictly linked to SOC stabilization. Concluding, silty soils of the Veneto region low-lying plain showed a slow reaction to conservation agriculture practices, as demonstrated by the poor effect on C sequestration, gas-transport characteristics and soil structure improvements. The limited amount of non-complexed organic carbon available for interaction with the soil fines prevented the formation of a more resilient soil structure leading to soil compaction that negated the exploitation of CA-related benefits. Despite such mechanisms, CA practices positively influenced C quality and ultramicroporosity range suggesting that a virtuous cycle between SOC and soil structure has been initiated. Longer transition period will be needed to reach a favourable equilibrium in the CA systems and more studies elucidating the mechanisms of structure improving conditions for silty soils, such as those examined in this study, are also required.
La perdita di sostanza organica è una delle minacce del suolo riconosciute a livello europeo e le ripetute lavorazioni del terreno sono state connesse con alcuni effetti negativi sulle proprietà del suolo e con i relativi servizi ecosistemici. Per questo, lo studio di pratiche agronomiche più sostenibili rappresenta una sfida per l’intera comunità scientifica. Tra le tecniche agronomiche sostenibili, l’agricoltura conservativa (AC) è una pratica ampiamente diffusa che è basata su tre principi cardine: 1) minimo disturbo del suolo, 2) copertura permanente del terreo e 3) diversificazione delle colture. AC è spesso associata a numerose funzioni del suolo quali l’aumento della biodiversità, dello stock di carbonio organico e della stabilità degli aggregati e la riduzione del runoff, dell’erosione, delle lisciviazioni di P e delle emissioni di anidride carbonica. Nonostante ciò, recentemente AC non è sempre considerata come una soluzione vincente per la mitigazione del clima e per il miglioramento dell’agroecosistema in quanto l’assenza delle lavorazioni del terreno possono influenzare negativamente lo sviluppo radicale mediante un aumento della densità e della resistenza del suolo e mediante una diminuzione della porosità e degli scambi gassosi. Per di più, i benefici delle pratiche conservative sono riconosciuti essere strettamente legati al tipo di clima e suolo. In quest’ottica di risultati contrastanti, maggiori studi sono necessari per studiare e ottimizzare le potenzialità di pratiche agronomiche più sostenibili. Per questi motivi, in questa tesi, è stata condotta una prova di campo comprendente quattro aziende agricole della bassa pianura Veneta caratterizzate da suoli limosi nei quali le pratiche conservative (non lavorazione, cover-crop e ritenzione dei residui) sono state adottate e confrontate con quelle tradizionali. Il primo obiettivo di questa tesi è stato quello di valutare gli effetti di AC sul ciclo del C. In particolare è stata valutata l’evoluzione del carbonio organico del suolo (COS) sia in termini quantitativi che qualitativi durante un periodo di transizione di tre anni. Lo stock di COS è stato quantificato mediante l’applicazione della massa equivalente fino a 50 cm di profondità mentre l’effetto delle diverse componenti del trattamento conservativo è stato studiato considerando le biomasse delle colture, delle cover-crop e degli apparati radicali e il tipo di lavorazione come fattori separati. La qualità del COS è stata invece caratterizzata analizzando il carbonio umico, le sue frazioni in peso e la biomassa microbica. Questo studio ha mostrato come dopo un breve periodo di applicazione di tali pratiche, lo stock di COS nel suolo non sia aumentato mostrando piuttosto una diversa ripartizione lungo il profilo. La qualità del carbonio organico ha invece beneficiato delle pratiche conservative con la produzione di sostanze umiche più policondensate. Il secondo obiettivo ha riguardato lo studio dell’influenza di AC sugli scambi gassosi del suolo mediante l’analisi della permeabilità all’aria, della diffusione, della air-filled porosity e mediante la derivazione di indici di struttura su 144 campioni indisturbati di suolo di 100 cm3. Le analisi hanno evidenziato le scarse proprietà di trasmissione dei suoli limosi indipendentemente dalla pratica agronomica adottata che hanno portato al raggiungimento di valori critici sia per l’aerazione del terreno che per le attività microbiche aerobiche. Il terzo obiettivo si è focalizzato sulla caratterizzazione dell’evoluzione della struttura del suolo dopo cinque anni dall’adozione delle pratiche di AC. La porosità del suolo è stata analizzata sia mediante l’utilizzo di microtomografie a raggi-x che di porosimetrie a intrusione di mercurio. La porosità totale, la distribuzione dei pori (dalla macro- alla micro-scala) e l’architettura dei pori sono state quantificate su 96 campioni indisturbati raccolti nelle quattro aziende sperimentali. I risultati hanno mostrato come i suoli limosi del Veneto siano “microstrutturati” in quanto la maggior parte della porosità ricade nel range 0.0074-30 μm e come le pratiche conservative abbiano positivamente influenzato la ultramicroporosità (0.1-5 μm) che è strettamente legata alla protezione della sostanza organica. Concludendo, come evidenziato dallo scarso effetto sul sequestro del C, sugli scambi gassosi e sulla struttura del terreno, i suoli limosi della bassa pianura Veneta hanno mostrato una lenta reazione alle pratiche conservative. Lo scarso contenuto di COS non complessato disponibile all’interazione con le particelle fini del terreno ha ostacolato la formazione di una struttura stabile portando al compattamento del suolo. Nonostante ciò, le pratiche conservative hanno però positivamente influenzato la qualità del C e la ultramicroporosità suggerendo che un ciclo virtuoso tra sostanza organica e struttura del suolo è stato inizializzato. Un periodo di transizione di più lunga durata sembra essere indispensabile per il raggiungimento di un nuovo equilibrio in sistemi conservativi e più studi sui meccanismi che regolano la struttura in suoli limosi risultano inoltre necessari.
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Dinel, H. (Henri) 1950. "The influence of soil organic matter components on the aggregation and structural stability of a lacustrine silty clay /". Thesis, McGill University, 1989. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=74306.

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Under intensive farming, soil structure degradation and soil erosion are primarily associated with losses of organic matter. Restoration of soil structure may depend on the amount and nature of the organic amendment added. The effect of the addition of humic and fibric materials, and beeswax, a naturally occurring source of long-chain aliphatics comparable to those present in humic materials, on microbial activity and the structural properties of a waterlogged silty clay low in organic carbon was investigated. The incorporation of the fibric material increased the microbial activity in proportion to the amount of material added, whereas the humic and beeswax materials had the opposite effect. All organic materials added increased the cohesion of aggregates due to non water-dispersible cements. The fibric material was predominantly composed of polysaccharides and large quantities were required to produce a positive effect. The humic material was mainly lipids and the effect was associated with the time of incubation rather than the amount of material added. Principal-component analysis showed that the humic material was more effective at stabilizing soil aggregates than the fibric material, although the fibric material had a greater effect on the resistance of aggregates to slaking forces. Further testing with beeswax showed that the clay-associated lipids increased by 3.5-4.0 times the resistance of soil aggregates to the slaking forces, whereas the effect of hydrophobic "free" lipids was transient and accessory by coating and embedding soil aggregates.
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Alemu, Tekie. "Land tenure and soil conservation : evidence from Ethiopia /". Göteborg, 1999. http://www.loc.gov/catdir/toc/fy041/00309493.html.

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Montas, Hubert J. "A decision support system for soil conservation planning /". Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59831.

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A Decision Support System for the design and planning of soil conservation systems on a watershed scale was conceived and applied to southwestern Quebec. The system integrated Geographical Information System, distributed parameter hydrologic modeling and Expert System technologies. Maps of appropriate soil conservation practices were produced for two small rural basins representative of the study region. The effect of the selected practices on runoff and sediment was assessed using the ANSWERS model. Erosion sites were targeted using a once-in-25 year design storm. It was observed that small portions of the study basins produced large amounts of eroded sediment. The expert system was designed to select appropriate conservation practices for the 1-ha cells which had more than one ton of erosion as a result of the design storm. The results demonstrated that the selected conservation practices would reduce sediment yield and average erosion rates by 50% in each of the study basins.
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Goshu, Kassaye. "Biological soil conservation techniques for Maybar area, Ethiopia /". [S.l : s.n.], 1994. http://www.ub.unibe.ch/content/bibliotheken_sammlungen/sondersammlungen/dissen_bestellformular/index_ger.html.

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Barrak, Khalid Mohamed 1956. "Effects of various mulches on soil moisture conservation". Thesis, The University of Arizona, 1987. http://hdl.handle.net/10150/191944.

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The purpose of this work was to study and evaluate the effect of various mulches on the soil moisture content for sandy loam soil under high temperatures. The straw, wood shavings, and rock fragments were used with different rates of application for covering soil. Treatments were compared to bare soil. The moisture content was significantly higher for mulched treatments. However, the effectiveness of wood shavings and rock fragments mulches did not seem different in soil moisture content, while straw mulch did. The soil moisture content for the straw had the highest value at the end of the experiment. The straw mulch apparently conserved soil moisture over the other treatments. The conservation of soil moisture under 10, 15, 20 gm of straw mulch was occasioned by less direct contact soil surface with air surface and less possibility of heat transfer. The greatest savings in water was under 2.7 tons/ha of straw mulch.
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Kelsey, Kurt L. "Use of the Revised Universal Soil Loss Equation (Rusle) to predict event soil loss /". Link to abstract, 2002. http://epapers.uwsp.edu/abstracts/2002/Kelsey.pdf.

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Libri sul tema "Soil conservation"

1

Hudson, Norman. Soil conservation. 3a ed. Ames: Iowa State University Press, 1995.

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British Columbia. Ministry of Forests., a cura di. Soil conservation surveys guidebook. 2a ed. [Victoria, B.C: Ministry of Forests], 2001.

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British Columbia. Ministry of Forests., a cura di. Soil conservation guidebook. 2a ed. [Victoria, B.C: Ministry of Forests], 2001.

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Asian and Pacific Council. Food & Fertilizer Technology Center., Xing zheng yuan nong ye wei yuan hui (China) e Zhonghua shui tu bao chi xue hui., a cura di. Soil conservation handbook. [Taipei, Taiwan: Food & Fertilizer Technology Center?, 1995.

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Asian and Pacific Council. Food & Fertilizer Technology Center., Xing zheng yuan nong ye wei yuan hui (China), Taiwan. Shui tu bao chi ju. e Zhonghua shui tu bao chi xue hui., a cura di. Soil conservation handbook. [Taipei, Taiwan, Republic of China]: FFTC, 1995.

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Blum, Winfried E. Problems of soil conservation. Strasbourg: Steering Committee for the Conservation and Management of the Environment and Natural Habitats (CDPE), 1988.

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RCED, United States General Accounting Office. Soil Conservation Service reorganization. Washington, D.C: The Office, 1992.

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A, El-Swaify S., Moldenhauer W. C, Lo Andrew, Soil Conservation Society of America. e International Conference on Soil Erosion and Conservation (1983 : Honolulu, Hawaii), a cura di. Soil erosion and conservation. Ankeny, Iowa: Soil Conservation Society of America, 1985.

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1914-, Hobbs J. Arthur, Donahue Roy Luther 1908- e Troeh Frederick R, a cura di. Soil and water conservation. 2a ed. Englewood Cliffs, N.J: Prentice-Hall, 1991.

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Hans, Hurni, Tato Kebede, Soil and Water Conservation Society., International Soil Conservation Organisation. International Conference, e World Association of Soil and Water Conservation., a cura di. Soil conservation for survival. [Ankeny, IA]: Soil and Water Conservation Society in cooperation with International Soil Conservation Organisation and World Association of Soil and Water Conservation, 1992.

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Capitoli di libri sul tema "Soil conservation"

1

Giandon, Paolo. "Soil Conservation". In Environmental Indicators, 293–305. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-017-9499-2_18.

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Nair, P. K. Ramachandran. "Soil conservation". In An Introduction to Agroforestry, 325–44. Dordrecht: Springer Netherlands, 1993. http://dx.doi.org/10.1007/978-94-011-1608-4_18.

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Gómez-Macpherson, Helena, José A. Gómez, Francisco Orgaz, Francisco J. Villalobos e Elias Fereres. "Soil Conservation". In Principles of Agronomy for Sustainable Agriculture, 241–54. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-46116-8_18.

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Unger, Paul W., Donald W. Fryrear e Michael J. Lindstrom. "Soil Conservation". In Agronomy Monographs, 87–112. Madison, WI, USA: American Society of Agronomy, Crop Science Society of America, Soil Science Society of America, 2015. http://dx.doi.org/10.2134/agronmonogr23.2ed.c4.

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Chesworth, Ward, Marta Camps Arbestain, Felipe Macías, Otto Spaargaren, Otto Spaargaren, Y. Mualem, H. J. Morel‐Seytoux et al. "Conservation". In Encyclopedia of Soil Science, 168–70. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-3995-9_127.

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Reicosky, D. C., e H. H. Janzen. "Conservation Agriculture". In Soil and Climate, 131–62. Boca Raton, FL : CRC Press, Taylor & Francis Group, 2018. | Series: Advances in soil science: CRC Press, 2018. http://dx.doi.org/10.1201/b21225-4.

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Reicosky, D. C. "Conservation Agriculture". In Soil and Drought, 181–235. New York: CRC Press, 2023. http://dx.doi.org/10.1201/b22954-8.

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Shaxson, T. F. "Soil Moisture Conservation". In Conservation Agriculture, 317–26. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-017-1143-2_38.

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Reuter, S., e R. Kubiak. "Soil Management Systems to Support Soil Microbial Biomass in Vineyards". In Conservation Agriculture, 401–5. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-017-1143-2_49.

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McGarry, D. "Tillage and Soil Compaction". In Conservation Agriculture, 307–16. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-017-1143-2_37.

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Atti di convegni sul tema "Soil conservation"

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Pushpanjali, Konda Srinivas Reddy, Josily Samuel, Prabhat Kumar Pankaj, Ardha Gopala Krishna Reddy, Jagriti Rohit e Kotha Sammi Reddy. "Fodder Grass Strips for Soil Conservation and Soil Health". In IOCAG 2022. Basel Switzerland: MDPI, 2022. http://dx.doi.org/10.3390/iocag2022-12189.

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Ziemacki, Jasmin, Daniel Callo-Concha e Michael Thiel. "The residual effect of fertilizer in soil: Can crop rotation practices combat soil fertility loss and increase crop yield?" In 5th European Congress of Conservation Biology. Jyväskylä: Jyvaskyla University Open Science Centre, 2018. http://dx.doi.org/10.17011/conference/eccb2018/107779.

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Vizitiu, Olga. "SOIL WATER CONSERVATION � A MEASURE AGAINST DESERTIFICATION". In 14th SGEM GeoConference on WATER RESOURCES. FOREST, MARINE AND OCEAN ECOSYSTEMS. Stef92 Technology, 2014. http://dx.doi.org/10.5593/sgem2014/b32/s13.034.

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Laflen, John M. "Conservation Tillage, Soil Erosion and Water Quality". In Proceedings of the 13th Annual Integrated Crop Management Conference. Iowa State University, Digital Press, 2004. http://dx.doi.org/10.31274/icm-180809-799.

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teslenko, D., e A. Klyuchnik. "Innovative approaches to soil conservation in the conditions of EU integration". In international scientific-practical conference. MYKOLAYIV NATIONAL AGRARIAN UNIVERSITY, 2024. http://dx.doi.org/10.31521/978-617-7149-78-0-43.

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Abstract (sommario):
The article examines the main trends of the modern state of soils, as well as innovative approaches to their preservation in the conditions of integration into the European Union. It is substantiated that the insufficient amount of land resources leads to an increase in the level of poverty, has a significant impact on the inefficiency of soil use and is a threat to the food security of the countries of the world. In turn, negative practices of land use and soil management lead to their degradation
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Moran Rodas, Virna Estefania. "Influence of vegetation and land use on functional soil conditions and soil erosion in the western coastal plain of El Salvador". In 5th European Congress of Conservation Biology. Jyväskylä: Jyvaskyla University Open Science Centre, 2018. http://dx.doi.org/10.17011/conference/eccb2018/107883.

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Tembotov, Rustam. "Ecosystem services and assessment of the soil biological activity exemplified by the mountain chernozem soils of the Central Caucasus". In 5th European Congress of Conservation Biology. Jyväskylä: Jyvaskyla University Open Science Centre, 2018. http://dx.doi.org/10.17011/conference/eccb2018/108111.

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Duffy, Mike. "Conservation Systems and Soil and Water Quality Symposium". In Proceedings of the 19th Annual Integrated Crop Management Conference. Iowa State University, Digital Press, 2007. http://dx.doi.org/10.31274/icm-180809-906.

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Al-Kaisi, Mahdi, e Mark Licht. "Conservation Systems Role in Sustaining Productivity and Soil Quality". In Proceedings of the 16th Annual Integrated Crop Management Conference. Iowa State University, Digital Press, 2005. http://dx.doi.org/10.31274/icm-180809-827.

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Garbrecht, Jurgen D., e Patrick J. Starks. "Do Upland Soil Conservation Measures Reduce Watershed Sediment Yield?" In World Environmental and Water Resources Congress 2009. Reston, VA: American Society of Civil Engineers, 2009. http://dx.doi.org/10.1061/41036(342)602.

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Rapporti di organizzazioni sul tema "Soil conservation"

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Bendfeldt, Eric, Mike Parrish, Kim Niewolny, Wade Thomason e Maureen McGonagle. Introduction to Soil, Conservation, and Place video series. Blacksburg, VA: Virginia Cooperative Extension, gennaio 2021. http://dx.doi.org/10.21061/spes-290np.

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Elseroad, Adrien, Joseph St. Peter e Maile Uchida. Biological soil crust distribution on the Boardman Conservation Area. The Nature Conservancy, marzo 2010. http://dx.doi.org/10.3411/col.04072147.

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Bendfeldt, Eric, e Gerald Garber. Soil, Conservation, and Place: Gerald Garber of Cave View Farms. Blacksburg, VA: Virginia Cooperative Extension, gennaio 2021. http://dx.doi.org/10.21061/spes-213np_spes-289np.

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Bravo-Ureta, Boris E., e Horacio Cocchi. On-Site Costs and Benefits of Soil Conservation Among Hillside Farmers in El Salvador. Inter-American Development Bank, novembre 2007. http://dx.doi.org/10.18235/0011143.

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This study analyses the relationships between farm income, adoption of conservation technologies and output diversification among PAES participants by comparing their performance at two points in time, 2002 and 2005, and against non-participants (control group) in 2005. The indicators reveal that the soil conservation and agroforestry component of PAES has been highly profitable. The outcome of the study shows crop diversification and soil conservation practices exhibit a strong positive association with the length of farmers' involvement with PAES and their participation in social organizations, and the positive association between conservation practices and income contrasts with the effects of conservation structures, which is negative but non-significant.
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Tate, Jr, e Charles H. Hydraulic Model Investigation: Soil Conservation Service Low Drop Structure Model Study. Fort Belvoir, VA: Defense Technical Information Center, agosto 1991. http://dx.doi.org/10.21236/ada241213.

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Adimassu, Z., S. Langan e J. Barron. Highlights of soil and water conservation investments in four regions of Ethiopia. International Water Management Institute (IWMI), 2018. http://dx.doi.org/10.5337/2018.214.

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Gerstl, Zev, Thomas L. Potter, David Bosch, Timothy Strickland, Clint Truman, Theodore Webster, Shmuel Assouline, Baruch Rubin, Shlomo Nir e Yael Mishael. Novel Herbicide Formulations for Conservation-Tillage. United States Department of Agriculture, giugno 2009. http://dx.doi.org/10.32747/2009.7591736.bard.

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The overall objective of this study was to develop, optimize and evaluate novel formulations, which reduce herbicide leaching and enhance agronomic efficacy. Numerous studies have demonstrated that CsT promotes environmental quality and enhances sustainable crop production, yet continued use of CsT-practices appears threatened unless cost effective alternative weed control practices can be found. The problem is pressing in the southern portion of the Atlantic Coastal Plain region of the eastern USA where cotton and peanut are produced extensively. This research addressed needs of the region’s farmers for more effective weed control practices for CsT systems. HUJI: CRFs for sulfentrazone and metolachlor were developed and tested based on their solubilizion in cationic micelles and adsorption of the mixed micelles on montmorillonite. A better understanding of solubilizing anionic and nonionic organic molecules in cationic micelles was reached. Both CRFs demonstrated controlled release compared to the commercial formulations. A bioassay in soil columns determined that the new sulfentrazone and metolachlor CRFs significantly improve weed control and reduced leaching (for the latter) in comparison with the commercial formulations. ARO: Two types of CRFs were developed: polymer-clay beads and powdered formulations. Sand filter experiments were conducted to determine the release of the herbicide from the CRFs. The concentration of metolachlor in the initial fractions of the effluent from the commercial formulation reached rather high values, whereas from the alginate-clay formulations and some of the powdered formulations, metolachlor concentrations were low and fairly constant. The movement of metolachlor through a sandy soil from commercial and alginate-clay formulations showed that the CRFs developed significantly reduced the leaching of metolachlor in comparison to the commercial formulation. Mini-flume and simulated rainfall studies indicated that all the CRFs tested increased runoff losses and decreased the amount of metolachlor found in the leachate. ARS: Field and laboratory investigations were conducted on the environmental fate and weed control efficacy of a commercially available, and two CRFs (organo-clay and alginate-encapsulated) of the soil-residual herbicide metolachlor. The environmental fate characteristics and weed control efficacy of these products were compared in rainfall simulations, soil dissipations, greenhouse efficacy trials, and a leaching study. Comparisons were made on the basis of tillage, CsT, and conventional, i.e no surface crop residue at planting (CT). Strip-tillage (ST), a commonly used form of CsT, was practiced. The organo-clay and commercial metolachlor formulations behaved similarly in terms of wash off, runoff, soil dissipation and weed control efficacy. No advantage of the organo-clay over the commercial metolachlor was observed. Alginate encapsulated metolachlor was more promising. The dissipation rate for metolachlor when applied in the alginate formulation was 10 times slower than when the commercial product was used inferring that its use may enhance weed management in cotton and peanut fields in the region. In addition, comparison of alginate and commercial formulations showed that ST can effectively reduce the runoff threat that is commonly associated with granular herbicide application. Studies also showed that use of the alginate CRF has the potential to reduce metolachlor leaching. Overall study findings have indicated that use of granular herbicide formulations may have substantial benefit for ST-system weed management for cotton and peanut production under Atlantic Coastal Plain conditions in the southeastern USA. Commercial development and evaluation at the farm scale appears warranted. Products will likely enhance and maintain CsT use in this and other regions by improving weed control options.
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Bravo-Ureta, Boris E., Daniel Solís e Horacio Cocchi. Adoption of Soil Conservation Technologies in El Salvador: A Cross-Section and Over-Time Analysis. Inter-American Development Bank, dicembre 2006. http://dx.doi.org/10.18235/0011135.

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This paper examines the determinants of adoption of soil conservation technologies among farmers participating in the Environmental Program of El Salvador (PAES). A sample of PAES participants was surveyed in 2002, from which a sub-sample was re-surveyed in 2005 along with a control group of non-participating households. The methodology included two adoption models (Conservation Practices and Conservation Structures) using two separate samples (PAES beneficiaries 2002-2005 and beneficiaries-control group 2005), and two probit models were estimated to examine the disadoption of practices and structures using the 2002-2005 data for PAES beneficiaries. The outcome was PAES beneficiaries have increased significantly the area treated with conservation between 2002 and 2005. This working paper is one of three evaluations commissioned by OVE on the impact of the Programa Ambiental de El Salvador (PAES), as a stand-alone product in the office's 2005-2006 ex-post evaluation cycle.
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Burnett, J. Wesley, Daniel Szmurlo e Scott Callahan. Farmland rental and conservation practice adoption. Washington, D.C.: Economic Research Service, U.S. Department of Agriculture, 2024. http://dx.doi.org/10.32747/2024.8327787.ers.

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This report explores patterns across cropland owner-operators and cropland renters in the adoption of conservation tillage, cover cropping, and six permanent structural practices (riparian buffers, filter strips, field borders, terraces, grass waterways, and contour farming). Data from the Agricultural Resource Management Survey (ARMS) (2011-21) on corn, soybeans, cotton, barley, and sorghum growers show little evidence of systemic differences in conservation practice adoption on owner-operated fields compared to cash-rented fields. Differences between owner-operated plots and share-rented plots persist for certain practices and regions of the United States. Using data from the Tenure, Ownership, and Transition of Agricultural Land (TOTAL) Survey, the report also examines how the institutional factors surrounding farmland rental markets challenge the notion that land renters are inclined to exploit long-term soil quality for short-term profits.
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Lietzke, D. A., S. Y. Lee e T. Tamura. Resource management plan for the Oak Ridge Reservation. Volume 20. Soil conservation plan for the Oak Ridge Reservation. Office of Scientific and Technical Information (OSTI), luglio 1986. http://dx.doi.org/10.2172/5152167.

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