Author(s):

B Bhabai, D Mukhopadhyay and B Mitra

Abstract: A pot experiment was conducted during pre-kharif season, 2017 at Uttar Banga Krishi Viswavidyalaya, Coochbehar, West Bengal to investigate the effect of biofertilizer on production potential of greengram. The plants were grown in pots containing soils amended with consortium of Rhizobium + Vasicular Arbascular Micorrhizae + Phosphate Solubilizing Bacteria. Four treatments comprising of P at 0, 20, 40, 60 kg/ha along with the above consortium culture in soil were applied in soil. Growth parameters of the crop at two stages such as after 45 days and after 65 days were recorded. The important agronomic parameters (shoot length, root length, effective root nodule plant-1, plant height, pods/plant and pod length) were significantly influenced by the addition of biofertilizer packages along with graded doses of phosphorus. The maximum pods plant-1 was recorded at P3 suggesting that even at the lower dose of phosphorus @ 40 kg ha-1 (P2) could bring about less variability on yield obtained @ 60 kg ha-1(P3).

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