Integrated Nutrient Management Strategies for Improved Productivity and Profitability of Summer Black Gram

In India, Soils are mostly deficient in micronutrients. The essential micronutrients for field crops are Zn, B, Cu, Fe, Mn, and Mo. Integrated use of chemical fertiliser and organic manure, like farmyard manure and crop residue, assumes greater significance. It is also important to ensure that such a production system would be within reach of Indian farmers. The aim of the study is to integrate nutrient management strategies for improved productivity and profitability of summer Black Gram. A field experiment was carried out during the Summer season 2023 at Shraddhey Bhagwati Singh Agriculture Farm, Hajipur, Chandra Bhanu Gupta Krishi Mahavidyalaya, B.K.T. Lucknow, (U.P.), India. The experiment was laid out in RBD with 7 treatment combinations along with three replications. The result showed that the growth parameter, viz., plant height, number of branches, dry matter accumulation, and leaf area index significantly increased due to the application of T7 (100% RDF-IF + Foliar spray of ZnSO4 at 0.5%/ha).Yield attributes viz. Pod length (cm), number of seeds/pod, weight of pod (g/plant) , and 1000 grain weight, grain and stover yield, total biological yield and harvest index, quality and economics of Black gram was significantly increased by the T7 (100% RDF-IF + Foliar spray of ZnSO4 at 0.5%/ha) .However, the highest B:C Ratio resulted due to the application of(100% RDF-IF + Foliar spray of ZnSO4at0.5%/ha). The results revealed that application of 100% RDF- IF + Foliar spray of ZnSO4 at 0.5% ha-1 recorded the highest growth parameters, yield attributes, yield and qualities along with economics.