Author(s):

LK Srivastava, GK Jatav and Rakesh Banwasi

Abstract: The investigation was under taken during rabi season 2017-18 and 2018-19 at Instruction Farm, College of Agriculture, Raipur (Chhattisgarh) for study the soil test based fertilizer prescription for mustard crop on the basis of grain yield, nutrient uptake and soil test data which were used for obtaining basic parameters viz., nutrient requirement, contribution of nutrients from soil, fertilizer and organic manure. It was found that mustard crop required 1.54 kg N, 0.28 kg P and 1.70 kg K to produce one quintal grain yield. Fertilizer and soil test efficiencies were estimated 40.17, 28.17 and 102.14 percent and 35.02, 82.55 and 17.24 percent, respectively for N, P and K. The efficiency of FYM in terms of available nutrient was evaluated as 18.41, 6.27 and 10.79 percent, respectively for N, P and K. On the basis these parameters, fertilizer N, P₂O₅ and K₂O were derived for different targeted yield of mustard by using FYM as organic component in INM approach.

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