Crops and crop rotations
Cover crops in no-tillage crop rotations in eastern and western Kansas
... Cover Crops in No-tillage Crop Rotations Abstract Replacing fallow periods with cover crops can provide many benefits, including soil quality improvements, reduced nitrogen fertilizer ...
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Cereal forage crop rotations and irrigation treatment effect on water use efficiency and crops sustainability in Mediterranean environment
... on crop rotations favour sustainability of cultivation and produc- tivity of the ...Wheat-forage crops rotations (annual winter binary mixture and perennial al- falfa meadow) combined with ...
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Evaluating the impact of economic agricultural policies during the reform era for major crops and crop rotations in Egypt: a policy analysis matrix approach
... The world price of cottonseed meal at Alexandria is then multiplied by the estimated shadow exchange rate, in order to convert to domestic currency. Transportation costs and the m[r] ...
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Biogas crops grown in energy crop rotations: Linking chemical composition and methane production characteristics
... ensiled crop materials were imme- diately frozen and stored at 18 °C before they were further pro- cessed for analyses of chemical composition and methane ...
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The economics of crop rotations and land use: A fundamental study in efficiency with emphasis on economic balance of forage and grain crops
... Where the substitution rate is extremely low, as for Clarion-Webster soils (between C-C-O-M and C-O-M) rotations, maximum profits come with a rotation which includes [r] ...
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The economics of potato crop rotations in southern Manitoba
... that crop rotation may increase not only the total or gross yield of the primary crop but also the marketable yield (Guertal ...of crop rotations have been known for many years (Heady, 1957; ...
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Trends in Pulse and Oilseed Crops in Winter Cereal Rotations in NSW
... broadleaf crops indicates production increases have occurred in each region of NSW, but different crops have been ...pulse crops been grown because of rotational benefits that enhance their direct ...
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A case study on the use of legume crop rotations in sugarcane
... Introduction Growing legume fallow crops has proven to be an important factor in reducing the yield decline effect in sugarcane production. Legumes can also provide a direct economic benefit to sugarcane farmers ...
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Crop Rotations and Dynamic Analysis of Southeastern Peanut Farms
... another crop in a rotation program or follow itself in continuous ...a crop to be in rotation while the balance for the crop is in continuous ...cropping. Crops in continuous cropping suffer a ...
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Optimising Broadacre Crop Rotations using Dynamic Programming
... produced rotations with higher proportions of canola and durum wheat than is actually grown by ...these crops to account for perceived risk or that they have different price expectations to those used in ...
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Economic assessment of pulse crop rotations in western Canada
... location study are to evaluate the effects of rotating a cereal crop with a range of pulse crops at different frequencies and sequences on the annual economic. returns of both the ent[r] ...
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Designing crop rotations in organic and low input agriculture: Evaluation of pre crop effects
... past, crop rotation research was carried out intensively by different ...manifold crop rotation results. At first, at the Institute for Agronomy and Crop Science of the University of ...
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Nitrate leaching from arable crop rotations in organic farming
... cover crops on N ...two rotations in N leaching from the grass-clover crop, despite the fact that grass-clover was followed by spring wheat in rotation 1 and winter wheat in rotation ...
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Ecological and agronomic evaluation of crop rotations in organic farming systems
... undersown crops, (iv) modified cropping methods for improving the habitat quality of farmland birds.. * ) Values of standard CPAs (with weeding or standard cutting height) are.. median [r] ...
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Does diversifying crop rotations suppress weeds? A meta-analysis
... half-century, crop rotations have become increasingly simplified, with whole regions producing only one or two crops in ...Diversifying crop rotations through addi- tion of crop ...
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Nitrogen balance in response to dryland crop rotations and cultural practices
... with crop rotations suggests that flow of N through N inputs, outputs, and retention in the soil can be robustly accounted in rotations that included legume, nonlegume, and oilseed crops ...
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Impacts of Diverse Crop Rotations and Integrated Crop-Livestock System on Soil Quality in South Dakota
... 2009) and this system improved the presence of nutrients in the soil due to manure of animals (Randall, 2003; Russelle et al., 2007). ICLS consists of mixed agriculture management such as crop rotation with forage ...
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Effect of organic crop rotations on long term development of the weed seedbank
... farming rotations, grass/clover leys INTRODUCTION The choice of crop rotation is fundamental to the success of organic ...arable crops such as cereals and ...
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Nitrogen leaching from organic agriculture and conventional crop rotations (France)
... Denys, 1990. Conséquences de l'organisation de l'azote minéral d'un engrais sur la disponibilité pour la plante et sur la lixiviation. Nitrate Agriculture Eau INRA 1990 - Réunion Internationale Constantin, Beaudoin, ...
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Influence of the fertilization on the winter wheat in the crop rotations and in the long term monoculture
... Winter cereals are very important in the capac- ity of plant production and revenue. to achieve stable grain yields it is necessary to use an exact agricultural technology, which comprises a sequel of growing ...
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