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Field experiment was conducted during kharif 2017 and 2018 at Tirupati, Andhra Pradesh to evaluate the effect of organic manures and phosphorus levels on growth, yield and economics of vegetable cowpea. Three levels of organic manures (no organic manure, FYM @ 5 tonnes ha-1 and poultry manure @2 tonnes ha-1) and 3 phosphorus levels (0, 40 and 60 kg P2O5 ha-1)applied to vegetable cowpea. Yield attributes and yield of cowpea varied with manures and phosphorus levels. Poultry manure application @ 2 tonnes ha-1 resulted in higher number of pods plant-1 (7.28), seeds pod-1 (8.47), green pod yield (2796 kg ha-1),haulm yield (12150 kg ha-1) and net returns (51520 ` ha-1) which was statistically on par with application of FYM @ 5 tonnes ha-1. Among the phosphorus levels, application of 60 kg P2O5 ha-1 resulted in higher green pod yield (2720 kg ha-1) and net returns (47892 ` ha-1) which was on par with that of 40 kg P2O5 ha-1.
Vegetable cowpea, FYM, poultry manure and phosphorus levels.