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Добірка наукової літератури з теми "Crop rotation Evaluation"

Автор: Grafiati

Опубліковано: 4 червня 2021

Оновлено: 7 лютого 2022

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Статті в журналах з теми "Crop rotation Evaluation"

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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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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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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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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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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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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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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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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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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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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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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Більше джерел

Дисертації з теми "Crop rotation Evaluation"

Omokanye, Akim Tunde, University of Western Sydney, of Science Technology and Environment College, and Centre for Horticulture and Plant Sciences. "Biological and economic evaluation of maize-based cropping systems for Nigerian smallholders." THESIS_CSTE_HPS_Omokanye_A.xml, 2004. http://handle.uws.edu.au:8081/1959.7/797.

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Indigenous African shifting cultivation production systems, that were developed over many generations and took into account production potential as well as the constraints imposed by natural resources, are no longer practicable for Nigerian smallholder farmers. These systems relied on long fallow for fertility restoration after a period of cropping. Overpopulation has resulted in lower per capita land availability, necessitating a shift to sedentary cultivation systems. In such systems, fallow is short term (months) compared to shifting systems, where it lasted several years. This shift has re

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Umeda, K., and B. Munda. "Evaluation of Summer Cover Crops for Rotations with Vegetable Crops." College of Agriculture, University of Arizona (Tucson, AZ), 1997. http://hdl.handle.net/10150/221500.

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Five different crops were evaluated in exploratory and observational field studies for potential use as a summer cover crop in a rotation with commonly grown vegetable and field crops. Sesbania ( Sesbania exaltata), cowpea (ViRna unguiculata), sunnhemp (Crotalaria iuncea var. Tropic Sun), sudangrass (Sorghum sudanense cv. Piper), and kenaf (Hibiscus cannabinus) were drill seeded and grown with 2-3 irrigations during the summer months in two field tests. In one test, fresh weight yields were: 7,794 lb/A for sesbania; 10,551 lb/A for sunnhemp; 5,184 lb/A for cowpea; 19,816 lb/A for sudangrass; a

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Bhogaraju, Prabhakar V. "A Case-Based Reasoner for Evaluating Crop Rotations in Whole-Farm Planning." Thesis, Virginia Tech, 1996. http://hdl.handle.net/10919/36817.

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I have worked on a Case-Based Reasoning (CBR) system that evaluates crop rotations for their soil erosion and risk of insect pest problems. The purpose of this system is to provide decision support for an automated whole-farm planner (CROPS). CROPS (Buick et al., 1992) generates crop rotation plans that can address some of the environmental, economic and legislative pressures facing natural resource managers. To generate and recommend a crop rotation plan CROPS requires estimates on the soil erosion risks and pesticide pollution potential of the crop rotation. In this research I have designed

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Buckland, Kristine R. "Evaluating Fertilizer Rate, Crop Rotation and Trap Crops for Effects on Onion Growth and Yield, Soil Health, Thrips Densities and Iris Yellow Spot Virus Incidence." DigitalCommons@USU, 2011. https://digitalcommons.usu.edu/etd/980.

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Onion production in the United States is seriously affected by the tospovirus Iris Yellow Spot (IYSV), whose symptoms include lenticular-shaped lesions that reduce photosynthesis and bulb yield. Thrips tabacai Lindeman, onion thrips (OT), is the only known vector of the disease and a primary arthropod pest of onion. Frequent insecticide applications, increasing resistance in OT populations to insecticides, high nitrogen (N) fertilization rates and loss of yield to disease and insect pressure threaten sustainable onion production. The objectives of this study were to identify crop management st

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El-Kholei, Ahmed Mohammed Salah. "Evaluating the impact of economic agricultural policies during the reform era for major crops and crop rotations in Egypt : a policy analysis matrix approach." Thesis, University of Nottingham, 2003. http://eprints.nottingham.ac.uk/13346/.

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In 1986, Egypt implemented a succession of comprehensive economic reforms both in the agriculture sector and more generally such as the Economic Reform and Structural Adjustment Program (ERSAP) of 1991. Since then, the agricultural sector has been gradually transformed from one characterised by central planning and governmental controls to one that is more free market oriented. This study employs the Policy Analysis Matrix technique to evaluate the impacts of reform policies on eleven major crops (wheat, maize, sugar cane, soy bean, broad bean, cotton, rice, tomatoes, potatoes, long and short

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Swiegelaar, Nina Antionette. "Evaluating the effect of crop rotations and tillage practices on soil water balances of selected soils and crop performances in the Western Cape." Thesis, Stellenbosch : Stellenbosch University, 2014. http://hdl.handle.net/10019.1/86237.

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Thesis (MScAgric)--Stellenbosch University, 2014.<br>ENGLISH ABSTRACT: The aim of this study was to investigate the influence of crop rotation and soil tillage on the soil water balance and water use efficiency of wheat, canola, lupin and medics in the Swartland sub region of the Western Cape. This trail was conducted as a component study within a long-term crop rotation/tillage trial during 2012 and 2013 at the Langgewens Research Farm (33016’42.33” S; 18042’11.62” E; 191m) of the Western Cape Department of Agriculture near Moorreesburg. The experiment was laid out as a randomized complete b

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Gonzalez-Maldonado, Noelymar. "Evaluating the Effects of Long-Term No-Till and Crop Rotations in Soil Health and Corn Productivity." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1557142156675221.

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Girouard, Patrick. "On-farm evaluation of short-rotation forestry : economics of willow plantations and windbreaks in Central Canada." Thesis, McGill University, 1995. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=22733.

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The purpose of this thesis is the determination of a minimum market price for Short-Rotation Forestry (SRF) willow biomass grown in monoculture and windbreaks in Quebec and Ontario. Full cost budgeting was used and developed on a Microsoft Excel spreadsheet. Harvest cycles of 3 and 4 years for monoculture plantations, and 8 years for windbreaks were investigated. Estimates for establishment and other preharvest costs were obtained from mid-sized (5 hectares) commercial SRF willow plots in Quebec and Ontario.<br>For the monoculture plantations, irrespective of cycle length, and using the base c

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Law, Audrey. "EVALUATING THE EFFECTS OF ORGANIC AND CONVENTIONAL INPUTS ON SOIL CHEMICAL AND BIOLOGICAL PROPERTIES IN A FOUR-YEAR VEGETABLE ROTATION AND THE INVESTIGATION OF SOIL MICROBIAL PROPERTIES ON PLANT GENE EXPRESSION." UKnowledge, 2009. http://uknowledge.uky.edu/gradschool_diss/704.

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The objective of this research was to determine the effects of conventional inputs on soil chemical and biological properties compared to organic systems in a four year vegetable rotation. Tillage and cover crops were the same in all treatments to avoid confounding factors often present in similar research. Additional experiments investigated plant gene expression in organic and conventional management systems and in soils with decreased microbial diversity. Experimental plots were prepared in the spring of 2004; four replications of three management treatments, organic, low-input and conventi

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Suppapanya, Pramote. "The evaluation of alternative decision models : a case of crop rotation in Northern Thailand." Thesis, 1994. http://hdl.handle.net/10125/9223.

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Книги з теми "Crop rotation Evaluation"

Walton, G. H. Evaluation of pulses and other seed legumes for crop rotations in Western australia. Perth: Department of Agriculture, 1988.

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P, McKenna Dennis, Illinois General Assembly, Illinois State Geological Survey, and Illinois State Water Survey, eds. An Initial evaluation of the impact of pesticides on groundwater in Illinois: Report to the Illinois Legislature. Champaign, Ill: Illinois State Geological Survey, 1990.

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Fiez, Timothy Edward. An evaluation of site-specific crop management in the Palouse Region of eastern Washington. 1995.

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Частини книг з теми "Crop rotation Evaluation"

"10 Evaluation of the Impact of Crop Rotation on Maize Yields in Burkina Faso." In African Management, 211–24. De Gruyter Oldenbourg, 2020. http://dx.doi.org/10.1515/9783110629026-010.

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Тези доповідей конференцій з теми "Crop rotation Evaluation"

Vabishchevich, V. V., and I. G. Volchkevich. "Results of fungicides application in the industrial protected ground cucumber plantings." In CURRENT STATE, PROBLEMS AND PROSPECTS OF THE DEVELOPMENT OF AGRARIAN SCIENCE. Federal State Budget Scientific Institution “Research Institute of Agriculture of Crimea”, 2020. http://dx.doi.org/10.33952/2542-0720-2020-5-9-10-6.

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Here, we present a survey on the evaluation of broad-spectrum fungicides efficacy against cucumber powdery mildew and ascochyta leaf spot. A high efficiency of “Cidely Top 140”, DС (0.1 %) and “Luna Experience”, CS (0.06 %) against powdery mildew was determined. Biological efficacy of these fungicides was 70.9–92.4 % and 73.1–95.3 % after application in the first and second crop rotation, respectively. Plants treatment by “Cidely Top 140”, DС (0.1 %) and “Miravis”, SC (0.05 %) at early stages of ascochyta leaf spot inhibited the disease at the depressive level (2.5–4.8 %) notwithstanding the s

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ARLAUSKIENĖ, Aušra, Viktorija GECAITĖ, and Danutė JABLONSKYTĖ-RAŠČĖ. "THE EVALUATION OF THE COMPATIBILITY OF CEREAL AND GREEN MANURE ON THE BASIS OF NUTRIENTS." In RURAL DEVELOPMENT. Aleksandras Stulginskis University, 2018. http://dx.doi.org/10.15544/rd.2017.039.

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Research was carried out at the Lithuanian Research Centre for Agriculture and Forestry’s (LAMMC) Joniškėlis Experimental Station on a clay loam Endocalcari Endohypogleyic Cambisol. The study was aimed to explore the aboveground mass of perennial forage legumes: red clover (Trifolium pratense L.) and lucerne (Medicago sativa L.), and their mixtures with festulolium (x Festuliolium), used as green manure, qualitative parameters and compatibility with cereals on the basis of nutrients nitrogen (N), phosphorus (P) and potassium (K). The deficiency of other nutrients (P, K) and intensity of green

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Hoffer, P. A., T. Deconinck, Ch Hirsch, B. Ortun, S. Canard-Caruana, G. Rahier, S. Pascal, and B. Caruelle. "Aeroacoustic Computations of Contra-Rotating Open Rotors Using the Nonlinear Harmonic Method and a Chorochronic Approach." In ASME Turbo Expo 2012: Turbine Technical Conference and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/gt2012-68982.

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Due to their great potential for fuel saving, Contra-Rotating Open Rotors (CRORs) receive renewed interest by the airframers and the engine manufacturers. The inherent high efficiency of this propulsion system, however, is potentially offset by the level of noise emitted by the open blades. The acoustic impact on passengers and community may represent a major issue to their environmental acceptance. Fast and robust noise prediction tools are clearly required to support the development of quieter propellers and their integration in future civil aeronautical transport. The most common strategy f

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Звіти організацій з теми "Crop rotation Evaluation"

Delate, Kathleen, Cynthia A. Cambardella, Heather Friedrich, Andrea McKern, and L. James Secor. Evaluation of Tillage and Crop Rotation Effects in Certified Organic Production--McNay Trial, 2003. Ames: Iowa State University, Digital Repository, 2004. http://dx.doi.org/10.31274/farmprogressreports-180814-845.

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Delate, Kathleen, Cynthia A. Cambardella, Heather Friedrich, and L. James Secor. Evaluation of Tillage and Crop-Rotation Effects in Certified Organic Production--McNay Trial, 2002. Ames: Iowa State University, Digital Repository, 2003. http://dx.doi.org/10.31274/farmprogressreports-180814-885.

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