Abstract
A field experiment was conducted during Rabi season of 2021-22 at Crop Research Centre of Sardar Vallabhbhai Patel University of Agriculture and Technology, Meerut (U.P.). The experiment consisted of twenty treatment combinations with variable source of nutrients and biofertilizer. The treatment consisted of four sources of nutrients and five Biofertilizer levels were tested in RCBD (Factorial) with three replications. Results revealed that the application of 75% RDF (NPKS 90:45:45:30 kg/ha) +2-ton Vermicompost ha-1 gave higher plant height (203.55 cm), LAI (2.929), branches plant-1, dry matter accumulation (66.65 g plant-1), and seed (1854), stover (7193) & biological (9047) yield (kg ha-1) of mustard crop. Similarly, application of Azotobacter + PSB + KMB + Zn SB each @20 ml kg-1 seed treatment gave higher plant height (201.46 cm), LAI (2.702), branches plant-1, dry matter accumulation (64.98 g plant-1), and seed (1735), stover (6888) & biological (8623) yield (kg ha-1) of mustard crop. Thus, it may be concluded that the application of 75% RDF (NPKS 90:45:45:30kg/ha) + 2‑ton Vermicompost/ha +Biofertilizers (Azotobacter + PSB + KMB + ZnSB each @ 20 ml/kg Seed treatment) found economical in obtaining higher growth and yield of mustard.
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