One of the central themes in plant nutrition is to find the particular growth stage when supply of a particular nutrient leads to highest yield per unit amount of the absorbed. Partial productive efficiency of nitrogen for grain production is defined as: Partial productive efficiency of nitrogen absorbed at period (n-1) to (n) = [Y(n) […]
How to Calculate Partial Productive Efficiency of Nitrogen ? | Agronomy
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Package of Practices for Systems of Rice Cultivation | Rice Cultivation | Agronomy
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Package of rice production practices for different systems of rice cultivation are briefly presented: 1. Wet (Irrigated) System: Varieties: A large number of improved varieties/hybrids have been developed to suit various agroclimatic zones in different states of the country. High yielding varieties are also available for problem soils, resistance/tolerance to pests and diseases. Tillage: 1. […]
Nutrient Management Practices for Rice Crop | Rice Cultivation| Agronomy
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Nutrient management practices for crops, in general, can be grouped into blanket and site-specific nutrient management practices. 1. Blanket Nutrient Management (BNM): The BNM recommendations are, generally, based on approaches that do not account for the dynamic nature of crop response to the environment. These are developed for large tracts having similar climate and landforms […]