Field experiment was conducted during kharif, 2016 on sandy loam soil to study the effect of phosphorus levels, biofertilizers (PSB) and organic manures (vermicompost) on dry matter production at flowering, total root nodule number, effective root nodule number and yield of green gram. | Effect of phosphorus biofertilizers and organic manures on root nodulation and productivity of green gram Vigna radiata L.