Author(s):

Swetalina Mohapatra, Manoranjan Satapathy, P Pati and TR Sahoo

Abstract: The present study was carried out with the objectives to study the growth characters of the variety under different fertility levels and yield performance of the Indian mustard variety NRCHB-101 under graded doses of fertilizer. The field experiment was conducted during 2016-17 at the Agronomy Main Research Station, OUAT, Bhubaneswar laid out in a Factorial Randomized Block Design with three replications and twelve treatments. At harvest, highest plant height and highest number of secondary branches was observed at P₂ (40 kg ha^-1) whereas highest number of primary branches were observed at N₃ (120 kg ha^-1). Numerically higher LAI was noticed at N₂ (80 kg ha^-1). The dose of 100kg N ha^-1 produced maximum amount of seed and the dose of 80kg N ha^-1 produced maximum stover. As regards P application, 40 kg P ha^-1 had the highest yield of seed and stover. Highest seed yield and stover yield were obtained from 30 kg K ha^-1. The increasing doses of nutrients have a positive effect on the seed yield and stover yield. The harvest index also increased significantly with increased doses of nitrogen application.

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