An experiment was conducted with three levels of phosphorus (0, 20 and 40 kg/ha) and three levels of spraying of Novel organic liquid fertilizer @ 10 ml/liter (at branching, at flowering and at branching and flowering both) to study the effect of phosphorus and organic liquid fertilizer on yield, quality and nutrient content and uptake. An application of 40 kg P2O5/ha was recorded significantly higher seed yield (1168 kg/ha), haulm yield (2475 kg/ha), protein content (19.34 %), N (3.09% and 0.59%) and P (0.71 and 0.58%) content in seed and haulm over control, respectively. Remarkable improvement in uptake of N, P and K by seed and haulm as well as maximum net realization of ₹ 55302/ha and BC ratio were also recorded under the same treatment. The seed (1139 kg/ha) and haulm (2368 kg/ha) yield were produced significantly higher under spraying of Novel liquid fertilizer @10 ml/liter of water at branching and flowering stage. Protein, N, P and K content in seed and P and K content in haulm did not affected significantly by spraying of organic liquid fertilizer, however, N content in haulm was found remarkably higher under the same treatment. The uptake of N (35.09 & 13.96 kg/ha), P (7.93 & 12.92 kg/ha) and K (23.43 & 13.96 kg/ha) by seed and haulm were registered significantly higher under the spraying of Novel liquid fertilizer @10 ml/liter of water at branching and flowering stage over control. Net return (₹ 52631/ha) and BC ratio (3.43) were also found maximum under the same treatment.

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