Productivity of soybean (Glycine max) varieties under different levels of integrated nutrient management
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Keywords:
Economics, Integrated nutrient management, Soybean, Variety, YieldAbstract
The present experiment was conducted during the rainy (kharif) seasons of 2019 and 2020 at Bidhan Chandra Krishi Viswavidyalaya, West Bengal to study the performance of various soybean [Glycine max (L.) Merr.] varieties under different levels of integrated nutrient management. A three-time repeated factorial randomized block design (F-RBD) was used for the experiment having 3 varieties (Factor 1), viz. PS-1225; YEZIN-15; and PS-24 and 5 nutrient management treatments (Factor 2), viz. 100% recommended dose of fertilizer (RDF); 75% RDF+3 t/ha farmyard manure (FYM); 75% RDF+1.5 t/ha vermicompost; 75% RDF+3 t/ha FYM+25 kg/ha ZnSO4; and 75% RDF+1.5 t/ha vermicompost+25 kg/ha ZnSO4. Findings explored that 75% RDF+1.5 t/ha vermicompost+25 kg/ha ZnSO4 supply in PS-24 variety ensured highest seed yield (2601 kg/ha), stover yield (5241 kg/ha) and harvest index (33.17%) owing from high nutrient uptakes. Further, production economics stated that PS-24 cultivated with 75% RDF+1.5 t/ ha vermicompost+25 kg/ha ZnSO4 supply registered maximum net return (₹42994/ha) and benefit cost (B:C) ratio (2.32) indicating its suitability in eastern Indian condition.
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