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Effect of Integrated Use of Phosphorus, Biofertilizers and Organic Manures on Soil Available Nutrient Status and Yield of Greengram (Vigna radiata L.)
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The effect of inorganic phosphorus, phosphate solubilising bacteria and vermicompost on yield of greengram and available nutrient status was studied during Kharif 2016 at Agricultural College, Polasa, Jagtial, Telangana state, India. The experiment was conducted with three levels of phosphorus (0, 75 and 100 % RDP), phosphate solubilising bacteria (0 and 2 kg ha-1) and vermicompost (0 and 5 t ha-1). The results revealed that grain and haulm yields were increased with increasing inorganic P levels and when the crop was supplemented with PSB and vermicompost. Significantly higher grain (1033.33 kg ha-1) and haulm yield (1625.66 kg ha-1) were recorded when the crop was integrated with 100 % RDP along with PSB and vermicompost. Results also indicated that there was a significant build-up in available N, P, K and S status with increasing inorganic P levels, seed inoculation with PSB and vermicompost application. Thus, it shows positive influence by the application of phosphatic fertilizers, organic manures and biofertilizers.
Keywords
Integrated Phosphorus Management, Green Gram,yield, Phosphorus Levels, PSB, Available Nutrients.
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