International Journal of Chemical Studies
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Online ISSN: 2321-4902, Print ISSN: 2349-8528   |   Impact Factor: GIF: 0.565 NAAS Rating: 5.31 NEW
International Journal of Chemical Studies
Vol. 6, Issue 3 (2018)

Nutrient uptake and yield of green gram (Vigna radiata L.) as influenced by phosphorus fertilization, organic manures and biofertilizers

Author(s): G Bhavya, K Chandra Shaker, G Jayasree and M Malla Reddy
Abstract: Field experiment was conducted during kharif, 2016 to study the effects of phosphorus levels, biofertilizers (Phosphate solubilising bacteria) and organic manures (vermicompost) on yield, nutrient concentration and their uptake at flowering and harvest of green gram. The experiment was laid out in randomized block design with three replications having 12 treatment combinations viz. 3 levels of phosphorus (0, 75 and 100 % RDP) and its integration with PSB (500 g ha-1seed) and vermicompost (5 t ha-1). Experimental results revealed that grain yield and nutrient uptakes significantly influenced by phosphorus, vermicompost and PSB application. Application of higher dose of phosphorus along with PSB and vermicompost (100 % RDP + Vermicompost+ Phosphate solubilising bacteria) proved to be the best in improving the seed yield (1033.33 kg ha-1). Application of inorganic P fertilizers, organic manures and PSB markedly influenced the nutrient concentration and their uptake. Results showed that application of vermicompost at 5 t ha-1, seed inoculation with PSB and 100% RDP significantly increased the N, P, K and S concentration in grain, haulm and their uptake by greengram.
Pages: 32-35  |  295 Views  38 Downloads
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