Crop yield and use
The use of satellite data for crop yield gap analysis
... understanding crop yield gaps, but scaling up these approaches to understand entire regions over time has remained a considerable ...measure crop yields in farmers’ fields. The resulting yield ...
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A crop yield change emulator for use in GCAM and similar models: Persephone v1.0
... each crop (Fig. 2). A major advantage of using site-specific crop models run voluntarily by experts is that the individual baseline runs at each site have been configured against local information in the ...
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Use of agro-climatic zones to upscale simulated crop yield potential
... on crop growth and yield, while agro-ecological zones (AEZs) are defined as geographic regions having similar climate and soils for agriculture ( FAO, 1978 ...identify yield variability and limiting ...
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Use of remote sensing for crop yield and area estimates in Southern Brazil
... Rio Grande do Sul state and meteorological stations GeoSafras Estação meteorológica Oceano Atlântico Argentina Uruguay Santa Catarina -28º -33º -56º -51º Meteorological stations.. Agrome[r] ...
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Use of agro-climatic zones to upscale simulated crop yield potential
... for use in estimating and extrapolating yield gap analyses because climate heterogeneity within zones is too ...are crop-specific and use a two-parameter zonation ...cover crop area. ...
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The Impact of Weather Cycles and Crop Yield Autocorrelation on Crop Insurance Yield Guarantees
... Crop yield modeling is very important to establish the crop insurance yield ...When yield is autocorrelated the contracted yield guarantee and the effective yield ...
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Forecasting Rwandan Agricultural Crop Yield Value and Identify Factors That Influence This Crop Yield
... with use of another Linear Regression algorithm with RMSE, MAPE, MAE and MSE accuracy metrics and the expected values will be around ...in crop yield prediction by using MultilayerPerceptron ...
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FAST Crop Yield Forecast
... The growing season has been relatively dry in large parts of southern Africa with disappointing maize yields as a result. Figure 1 summarises the expected national maize yields, expressed in terms of the difference ...
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Three essays on crop yield, crop insurance and climate change
... each crop is exposed to each one-degree Celsius temperature interval in each day, and summed across all days of the growing season in each ...each crop was exposed to each one-degree Celsius interval during ...
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Estimation of Crop Yield Distribution: Implication for Crop Engineering Risk
... of crop yield ...often use the normal distribution to estimate yield distribution and yield ...because crop yields are nonsymmetric and negatively skewed, a normal distribution ...
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Economics of Seeding Rate in Crop Yield
... “information”is use blanket term ,the hierarchy of data,information and knowledge better represents the spectrum used in agricultural research and development (figure ...
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Economics of Seeding Rate in Crop Yield
... “information”is use blanket term ,the hierarchy of data,information and knowledge better represents the spectrum used in agricultural research and development (figure ...
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Three essays on weather and crop yield
... wide use of genetically modified seeds in recent years, claims of increased drought resistance in corn hybrids are being ...U.S. crop insurance rates are too high, because most crop in- surance ...
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Crop Yield and Globalization in agricultural Land
... Atmospheric CO 2 and O 3 concentrations Greater concentrations of CO 2 in the atmosphere have the potential to increase biomass production and to increase the physiological efficiency of water use in crops and ...
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PERUN - THE SYSTEM FOR THE CROP YIELD FORECASTING
... the crop model and weather ...CERES-Maize crop model with use of the observed and synthetic weather series (indirect validation of Met&Roll) was discussed in Dubrovský et ...
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Crop specific implications of yield and energy use efficiency in non-inversion tillage systems
... of crop output. Knight et al. (2012) report an initial decrease in crop yield immediately after conversion to a non-inversion tillage system, that then increases and stabilises over ...this ...
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Wavelet Based Assessment of Crop Yield Risk in Multiple Crop Insurance
... We seek the probability density function (pdf), f(y), of a random variable Y, We call this estimate f ^ ( ) y . The use of nonparametric density estimation has been used for many years and in many field ...
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An Analysis of the Impacts of Climate Change on Crop Yield and Yield Variability in Ethiopia
... obvious, crop yields don`t depend on rain fall per ...management, use of pesticides, improved seeds, and fertilizers may have played a significant role in increasing observed yield levels over ...on ...
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An Analysis of the Impacts of Climate Change on Crop Yield and Yield Variability in Ethiopia
... obvious, crop yields don`t depend on rain fall per ...management, use of pesticides, improved seeds, and fertilizers may have played a significant role in increasing observed yield levels over ...on ...
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Can crop yield risk be globally diversified?
... The analysis is exemplified for wheat, which is one of the most important crops worldwide. Particular attention is given to the stochastic dependence of yields in different regions. Thereby we address the question of ...
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