Author(s):

Patel BN, Patel KH, Narendra Singh and Alok Shrivastava

Abstract: A field experiment was conducted during 2018 to study the effect of phosphorus, FYM and bio-fertilizer on yield and quality of greengram. There were twelve treatments comprising of three phosphorus levels [Control (P₀), 20 kg P₂O₅ ha^-1 (P₁) and 40 kg P₂O₅ ha^-1 (P₂)] combined with two FYM levels [control (F₀) and 5 t FYM ha^-1(F₁)] along with two levels of bio-fertilizer [control (B₀) and PSB inoculation (B₁)]. Phosphorus applied in the form of SSP and PSB as seed inoculation. The experiment was laid out in factorial RBD with three replications. The recommended dose of N was applied uniformly to all the treatments. Seed yield and stover yield of greengram was significantly increased by the phosphorus, FYM and bio-fertilizer treatments. The increased in seed yield due to P₂ and P₁ over P₀ (797.6 kg ha^-1) was 18.98 and 10.97 per cent, respectively. The treatment F₁ increased the seed yield by 14.55 per cent and B₁ increased 12.65 per cent, over their respective control F₀ (817.7 kg ha^-1) and B₀ (825.0 kg ha^-1).Similar trend in stover yield was noted by phosphorus, FYM and bio-fertilizer treatments. The interaction of P x F x B effect was significant on seed and stover yield indicate that nutrient use efficiency of P was higher when phosphorus was applied along with organic FYM @ 5 t ha^-1 and PSB inoculation to the seed. Growth and yield attribute like plant height, number of nodules per plant, 100 seed weight, seeds per pod, and pods per plant were studied. Quality parameters viz. protein content and protein yield studied. Application of organics P₂ and P₁, as well as FYM and PSB inoculation favourably influenced quality parameters in comparison to their respective control. A synergistic interaction of P x F x B on protein content indicates improvement in quality of greengram.

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