Author(s):

Priyanka Bankoti, Krishna Kumar and Arvind Kumar

Abstract: The results of the present study showed that amongst different levels of organic manure and inorganic fertilizers 30t farm yard manure (FYM) and F3 (150:100:50 kg N-P₂O5 and K₂O /ha), respectively realized significantly higher grain yield of maize. There was no significant effect of bio-fertilizers on the grain yield alone. The treatment combination of 010F3BF1 (10t FYM with 150:100:50 kg N-P₂O₅ and K₂O/ha along with Azospirillum and PSB) gave the highest benefit, cost ratio of Rs.2.83 and net return of Rs.46,194.47/ha. In view of this it is recommended that under low and medium fertile soils, inorganic fertilizer combination of N-P₂O5 and K₂O at the rate of 150:100:50 kg/ha, respectively along with application of 10 t FYM/ha with bio-fertilizer Azospirillum with PSB be used for obtaining most profitable grain yield of maize under irrigated conditions of the valley. Further, for maximization of the grain yield 30t FYM/ha instead of 10t FYM/ha may be applied.

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