A field experiment was conducted at Crop Research Farm (CRF), SHUATS, Prayagraj, in the crop black gram in zaid season of 2019, with 9 treatments which were replicated thrice and laid out in a RBD. The experiment consisted of three levels of Phosphorus, viz., which were soil applied at the time of sowing and three-time application of foliar spray of zinc. Among the treatments, 50 kg ha^-1 of Phosphorus along with foliar spray Zn at 15, 30 & 45 DAS had recorded overall higher data in plant height (37.63 cm), number of branches (5.80/plant), number of nodules (46.73/plant), dry weight (5.92 g/plant),CGR(5.28 g/m²/day), number of pods/plant (39.2 pods/plant), number of seeds/plant (4.68 seeds/pod), test weight (35.66 g), seed yield (0.66 t/ha), biological yield (1.40 t/ha), harvest index (32.66%) and protein content (22.98%). Also, the highest net return (Rs 30210.84/ha), gross return (Rs 45011.2/ha) and B:C ratio (2.11)were recorded higher in 50 kg ha^-1 of Phosphorus + 15, 30 & 45 DAS Zinc Foliar Spray.

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