Field experiments were conducted at the College Farm, N.M. College of Agriculture, Navsari Agricultural University, Navsari during rabi season of 2010 to 2011 and 2011 to 2012. The increase in rabi niger yields with these treatments were the results of increased quality and yield viz., improved the quality of niger in terms of N, P, K and S content and uptake by seed and straw, the highest seed and straw yields of niger and N, P, K and S content in soil were recorded with 20 kg P2O5 ha-1 from single superphosphate (SSP) with phosphorus soliblising microbes (PSM) (T6) and was at par with 10 kg P2O5 ha-1 from SSP + PSM (T4), 10 kg P2O5 ha-1 from SSP + 100 kg RP ha-1 + PSM (T8). These treatments were 43.87, 38.64 and 36.91% higher than control (T2) in respect of grain yield. Soil inoculation with PSM significantly increased the quality parameters, soil content viz., N, P, K and S uptake by seed and straw, the seed and straw yields of niger and N, P, K and S content in soil.
Key words: Nutrient content and uptake, soil study, seed and straw yield
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