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The present experiment was conducted during the Rabi season of 2016-17 at the Agronomy Department research farm at Chaudhary Charan Singh Haryana Agricultural University, Hisar. It was laid out in split plot design of experimentation having three fertilizer levels (F1, F2 and F3) in main plots and seven different combinations of biofertilizers (B1, B2, B3, B4, B5, B6 and B7) in sub plots and then replicated thrice. Based on the study it was found that maximum gross returns, net returns and B: C ratio was recorded with the application of F3 (Rs. 73,450 /ha, 50,914/ha and 3.26 in the year 2016-17). B: C ratio of barley enhances significantly with enhancement in fertilizer levels from F1 to F3. Among different combinations of biofertilizers, seed inoculation with B5 revealed significantly higher gross returns, net returns and B: C ratio. Least value for gross returns was recorded in B1 treatment Rs. 61, 425 in the year 2016-17). Seed inoculation with B5 resulted in highest B: C ratio (3.22) in the year 2016-17. Overall seed inoculation with biofertilizers resulted in higher gross returns, net returns and B: C ratio.
Keywords: Biofertilizers, Fertilizer levels, Treatments, B: C ratio.