Effects of biofertilizer containing of free living nitrogen fixing bacteria and phosphate solubilizing bacteria (PSB) on quantitative and qualitative traits of wheat

Document Type : Complete scientific research article

Authors

1 Expert Agricultural Organization of Mazandaran

2 Associate Professor of Islamic Azad University, Science and Research Branch

3 Member of the Scientific Board of Agricultural and Natural Resources Research Center of Mazandaran

4 Scholar Agriculture and Natural Resources Research Center of Mazandaran

Abstract

considered is an important objectives of sustainable agriculture,environmental protection and achieving inclusive development.Therefore it seems essential method that can reduce the excessive consumption of chemical fertilizers.The purpose of this study was to assess the impact of plant growth promoting microorganisms and effect of combination nutrition systems,chemical and bacterial on stages phenology,yield, yield components wheat grain protein precedent variety N8019.Experiment was conducted in research farm of agricultural research stations baykola affiliated with agriculture and natural resources research center of mazandaran in 2011.The study was conducted a split plot and to form randomized complete blocks design with 12 treatments and 3 replications.Treatments included fertilizer(nitrogen and phosphorus) as the main factor in three levels:1- noconsumption(C0), 2- equivalent to 50% of the fertilizer recommendations(C1),3-equivalent to 100%of the fertilizer recommendations(C2) and two types of biological fertilizers which contain nitrogen-fixing and phosphate solubilizing rhizobacteriaas the subsidiary factor in 4 levels: 1-noinoculation(B0), 2-seeds inoculated with nitrogen-fixing bacteria(B1),3-Seed inoculation with phosphate solubilizing bacteria(B2), 4-Combined application of bio-fertilizers(B3).The results of the analysis of variance experiment run indicated which effect of different treatments, including the use of 100% chemical fertilizers and biofertilizers on plant phenology, yield and grain protein rate, was significant at the 1% but greatest influence on the aforementioned components is achieved through the combination treatment(100%chemical fertilizers+biofertilizers) and interaction effects.Thus the quantitative and qualitative characteristics of wheat in the compilation system (bio-fertilizer and chemicals) than when used alone had a better result.

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