Bio Fertilizer a Potent Supplement of N and P Fertilizers in Economical and Sustainable Wheat Cultivation in NEPZ
2016
Anil Kumar, | Singh, C.B. | Raj, Rishi
A field experiment was conducted to study the feasibility and economics of bio-fertilizer application in wheat at IARI Regional Station, Pusa (Bihar) during 2002–03 and 2003–04. In general, cultivated land of this region falls under medium fertility range, thereof, use of bio-fertilizers for replacement of costly chemical fertilizers appears to be of immense important. In this study, recommended doses of major nutrients i.e., N.P.K. were compared with different combinations of N.P.K. doses and bio-fertilizers like Azatobactor and Phosphate Solublizing Bacteria. Two years data indicated that application of half of the recommended dose of N and P₂O₅ i.e., 60 kg N along with 30 kg P₂O₅/ha supplemented with seed treatment of wheat by Azatobactor and Phosphate culture, produces a mean wheat yield of 39.10 q/ha which is much more economical (2.69 kg grain/rupee invested) in terms of grain produced per rupee invested in fertilizers with bio-fertilizers as compared to the plot where recommended dose of fertilizers (1.65 kg grains/rupee invested) were applied in the form chemical fertilizers only in both the years. Beside above the treatment, Half recommended N + half P + full K + Azatobacter + P culture also save 1099.30/ha as compared to the treatment full recommended dose of NPK (120: 50: 30 kg/ha). At the same time, the seed treatment of wheat with Azatobactor and Phosphate Solublizing Bacteria is very easy and can be handled by any farmer without any problem. Besides, the advantage gained in terms of economics, application of bio-fertilizers do not interfere with the balance of soil and ultimately adds to soil health build up in long run.
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