Abstract
A field experiment was carried out during kharif season, 2018 at Research Farm of Tirhut College of Agriculture, Dholi, Dr. Rajendra Prasad Central Agricultural University, Pusa, Samastipur (Bihar) to study the “Effect of foliar application of nutrients on yield and economics of blackgram (Vigna mungo L.) Under rainfed condition”. The experiment was laid out in randomized block design with eight treatments and replicated thrice. Among the different foliar application of nutrients, NPK (18:18:18) @2% spray at flower initiation (T2) recorded significantly higher gross returns (Rs 76959/ha) and net returns (Rs 47014/ha), grain yield (12.89q/ha), and straw yield (23.87 q/ha) as compared to rest of the treatments. The highest benefit: cost ratio (1.57) was recorded under foliar application of NPK (18:18:18) @2% spray at flower initiation (T2) which was significantly superior over rest of the treatments but it was found at par with Neem coated urea @2% spray at flower initiation (T3) and boron @0.25ppm spray at flower initiation followed by Neem coated urea @2% spray after 7 days of first spray (T8).
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