Document Type : Original Article


1 Department of Agronomy and Plant Breeding, Islamic Azad University, Boroujerd Branch, Boroujerd, Iran

2 Young researchers club, Boroujed branch, Islamic Azad University, Boroujerd, Iran


This experiment was lay out in order to evaluate the effects of different biofertilizers on seed yield, protein and oil of rapeseed in Iran. The experiment was a factorial design with three replications. Treatments were four nitrogen biofrtilizers (control (N1), Nitroksin (N2), Azotobacter (N3) and Supernitroplat (N4)) and three phosphate biofrtilizers ( control(P1), Biosfer phosphate (P2) and Phosphate barvar2 (P3)).In this study seed yield, seed protein, seed oil, protein yield and oil yield were determined. Results showed that that there were significant differences in the response of rapeseed to the effect of treatments on seed yield seed protein, seed oil, protein yield and oil yield. However, seed yield, seed protein, seed oil, protein yield and oil yield significantly higher in application of Azotobacter treatments. The highest among the phosphate biofertilizers, seed yield, seed protein, seed oil, protein yield and oil yield were belonged at application of Phosphat barvar2. Interaction between NÎP shows that N3P3 treatment has the highest seed yield, protein yield and oil yield and the N1P1 treatment has the lowest seed yield, protein yield and oil yield and the differences were significant. In final results of this study reviled that application nitrogen and phosphate biofertilizers specially Azotobacter and Phosphat barvar2 increased seed yield, seed protein, seed oil, protein yield and oil yield under Iran environmental condition


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