Integrated Nutrient Management in Wheat by use of Azotobacter sp. and Streptomyces badius
Journal Title: International Journal of Agriculture Innovations and Research - Year 2018, Vol 6, Issue 4
Abstract
Wheat is one of the most essential staple food crops of India. It occupies a notable position among the food grain crops. The demand for wheat in India by 2020 is expected to increase and to meet the growing demand of food the only relevant approach is to boost production per unit area per unit time. The integrated use of biofertilizers and chemical fertilizers could play a crucial role not only for increasing yield but also for sustaining soil health. Hence, recognizing the above facts, multilocation field experiments were carried out at four different locations, to study the effects bio fertilizers (Azotobacter sp. and Streptomyces badius) inoculation on grain yield of wheat with three treatments viz. Control (Recommended dose of fertilizer, RDF), RDF +Azotobacter sp. +Streptomyces badius and 75% of RDF +Azotobacter sp. +Streptomyces badius. Most prominent findings emerged was regarding superiority of 75% of RDF with inoculation of biofertilizers over full recommended dose of fertilizer without biofertilizers in respect of grain yield. The highest Benefit: Cost ratio (B:C ratio) of 2.63 was found with 75% of RDF + Azotobacter sp. + Streptomyces badius treatment followed by RDF + Azotobacter sp. + Streptomyces badius treatment (2.55) against B:C ratio of 2.47 available with RDF only. This might be due to the nitrogen fixing and phosphate solubilising activities of inoculated biofertilizers along with plant hormone producing ability and siderophore producing ability. Thus, seed inoculation with biofertilizers i.e Azotobacter sp. and Streptomyces badius coupled with 75% of RDF brought 25% economy in chemical fertilizers with higher grain yield, net profit and B:C ratio over RDF only.
Authors and Affiliations
Gangwar M, et al.
Keywords
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