Integrated Nutrient Management for Growth, Yield and Economic Assessment in Black Gram in Dehradun Valley
Aishwarya Pandey, Anupama Rawat, Pallavi Bhatt, Kumar Gaurav, Vivek K Pathak, Renuka Sharma, Suhasi Uniyal, Divya Bahuguna, Trishala Kalyani, Anuj Singh Payal
Asian Research Journal of Agriculture · pp. 449–457 · Published 8 Oct 2024
10.9734/arja/2024/v17i4546Abstract
The field experiment was carried out at a designated location on the Agricultural Research Farm of Graphic Era Hill University in Dehradun during the kharif season of 2023 to study the influence of integrating organic and inorganic sources of nutrients on growth and productivity of black gram (Vigna mungo). The experiment was laid out in Randomized Complete Block Design (RCBD) consisting of nine treatments viz Control (T1), 100% RDF (20:40:20 Kg/ha NPK)(T2), Vermicompost @ 5 t ha-1 (T3) Bio nitrogen @ 20gm kg-1 seed (T4), 100% RDF+ Vermicompost @ 5 t ha-1 (T5), 100% RDF + Bio nitrogen @ 20gm kg-1 seed (T6), Vermicompost @ 5 t ha-1 + Bio nitrogen @ 20gm kg-1 seed (T7), 70% RDF + Vermicompost @ 5 t ha-1 + Bio nitrogen @ 20gm kg-1 seed (T8), 100% RDF+ Vermicompost @ 5 ha-1+ Bio-Nitrogen (T9) each replicated thrice. Integrated Nutrient Management had significantly affected growth, yield and economics of black gram. Maximum emergence count (13.3 m2) was recorded with 70% RDF + Vermicompost @ 5 t ha-1 + Bio nitrogen @ 20gm kg-1 seed which at par with 100% RDF + Bio nitrogen@ 20gm kg-1 seed (T6) and 100% RDF+ Vermicompost @ 5 ha-1+ Bio-Nitrogen (T9). Growth parameter viz. plant height, number of nodules/plant, dry matter accumulation/m2, branches/plant were reported to be significantly influenced by INM with 70% RDF + Vermicompost @ 5 t ha-1 + Bio nitrogen @ 20gm kg-1 seed. Similarly, maximum seed yield (36.33 q ha-1) was obtained under 70% RDF + Vermicompost @ 5 t ha-1 + Bio nitrogen @ 20gm kg-1 seed. Increase in seed yield with the application of by 358.1% and 233.3% was obtained over control (T1) and 100% RDF (T2). The study highlights that combining organic and inorganic sources of nutrients is a simple and effective strategy to improve initial plant stand of black gram crop, ultimately contributing to increased crop growth, yield and better economic returns.
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