Field experiments were conducted in red and black soils to study the effect of mode of application of nitrogen on yield and uptake of major nutrients in sorghum Co 20 under rainfed condition. Application of 45 kg N and 22.5 kg each of P and K was found to be advantageous. Application of 60 kg N and 30 kg P recorded higher N uptake in red soil. Nutrient requirement to produce one quintal of grain was higher in red soil than in black soil.
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