crop yields
Crop yields, boron availability and uptake in relation to phosphorus supply in a field experiment
... The crop yields increased only partly under higher P doses and mostly ...in crop tissues which consequently led to the decrease of B-uptake in a given ...
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Assessment of Formulated Phosphorus Enriched Compost on Rice Followed Wheat Crop Yields
... During decomposition of the organic materials, the release of organic acids such as citric acid and oxalic acid help promote solubilization of P from RP (Kumari et al., 2008). Similarly, carbonic acid and nitric acid ...
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Increasing crop yields through conservation tillage in dryland areas of China
... on crop yields in dryland areas of China including the loess plateau of China, North China plain, Northeast China, Northwest China and the farming–pastoral ecotone of Inner ...
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Climate change and crop yields in Zambia: correlative historical impacts and future projections
... improved crop yields while a rise in temperature, regardless of the increase in rainfall, has harmful effects on yield because crops are more sensitive to heat ...
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Effects of Supplemental Irrigation on Crop Yields: Case Study Kales (Brassica Oleracea) Crop.
... of crop yields that receive SI as compared to those under rain-fed in an experiment in SAHELwhile Oweis [1997] reported that in Syria wheat crop under SI realised yields of 3 t/ha and the same ...
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Global meta-analysis of the relationship between soil organic matter and crop yields
... increase yields while minimizing environmental ...to crop yield potential of maize and wheat in light of co-varying factors of management, soil type, and ...that yields of these two crops are on ...
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Climate Change and Crop Yields in Iran and Other OIC Countries
... Guiteras (2007) examined the impacts of Climate Change on Agriculture in India. The impact of annual changes in climate on agricultural production estimated by using a 40 year panel data set for 200 Indian districts. In ...
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BUDGETING PLANT NUTRIENTS FOR OPTIMUM CROP YIELDS AND SOIL FERTILITY MANAGEMENT
... A nutrient budget takes into account all the nutrient inputs on a farm and all those removed from the land. The most obvious source of nutrients in this situation is fertilizer, but this is only part of the picture. ...
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Soil characteristics and crop yields under different tillage techniques
... The field experiment with different soil tillage treatments has been carried out in Prague-Ruzyně locality (Czech Republic) since 1995. Data of two growing cycles in the years 2007–2010 and 2011–2014 were evaluated. ...
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The Impact of Climate Change on Crop Yields in Sub Saharan Africa
... on yields for the four most commonly grown crops (millet, maize, sorghum and cassava) in Sub-Saharan Africa ...relate yields to standard weather variables, such as temperature and precipitation, and ...
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The effect of agricultural traffic and tillage on soil physical properties and crop yields
... effects crop root architecture would provide information on characteristics of soil structure and rooting within the soil ...inform crop selection in commercial systems, whereby rotations are designed to ...
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Biochar boosts tropical but not temperate crop yields
... decrease crop yield, averaging approxi- mately 3% (figure 1) at a median biochar application rate of 30 t ha 1 (online supplementary figure ...on crop yield (supplementary fi gure ...where crop ...
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The determinants of crop yields in Uganda: what is the role of climatic and non-climatic factors?
... The use of tractors has the potential of increasing crop yields in Uganda as in other parts of the world (Additional file 2: Fig. S2a). Increased mechanization would lead to increased food production, ...
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An Exploration of the Spatial Dependence Structure of Crop Yields and the Implications for Crop Insurance
... the crop insurance ...of crop yields, the potential cost of not using the “best” copula must be ...the crop yield data from a county selected at random from the data ...
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Estimating Crop Yields at the Field Level Using Landsat and Modis Products
... Our paper represents an initial analysis, and further research is needed to better understand the relationships between crop yields and remote sensing products at the field level. Future investigations will ...
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Impact of land management system on crop yields and soil fertility in Cameroon
... Sorghum yields, soil fertility and the rehabilitation of hardé soils in the Far North region of ...the crop yields viewpoint, the average yields of Sorghum be- tween different cropping systems ...
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Application of wireless technologies to forward predict crop yields in the poultry production chain
... In particular what be of great value would be a predictive facility that could estimate the likely impact of a loss of environmental control or a failure to maintain optimum environmental conditions. This would be an ...
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Ozone reduces crop yields and alters competition with weeds such as yellow nutsedge
... Nutsedge. Increasing levels of ozone had no significant effect on either shoot biomass (figs. 2A, 3) or root biomass (fig. 2B) of nutsedge. Plants were more erect at medium than low ozone due to the presence of stiff ...
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Impact of capillary rise and recirculation on simulated crop yields
... a crop growth simulation model, its principles are explained by Van Keulen and Wolf ...2012). Crop assimilation was calculated as a function of solar radiation and temperature, using a 3-point Gaussian ...
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Shallow non inversion tillage in organic farming maintains crop yields and increases soil C stocks: a meta analysis
... In both conventional and organic systems, the use of “stra- tegic tillage” at critical stages in the rotation to manage perni- cious perennial weeds or control residue-borne crop diseases may be appropriate (Dang ...
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