The effect of bio-fertilizer (Phosphate Barvar۲) on the yield and yield components of bread wheat and durum in Ahvaz region

In order to evaluate the effectiveness of phosphorus biological fertilizers (Barvar۲) and triple super phosphate fertilizer amounts on the yield and yield components of bread wheat and durum, a split-split plot experiment within randomized completely block design with four replications in December۲۰۰۹ in research farm of Agriculture and Natural Resources University of Ramin in Khuzestan was carried out. The main plots were chemical fertilizer triple super phosphate (zero, ۵۰% and ۱۰۰% of phosphate fertilizers), subplots were bio-fertilizer barvar۲ (control, by basal application and top dressing) and sub-subplots were wheat cultivars (Chamran and Behrang).Results showed that ۵۰% of phosphorus with the barvar۲ base led to a No. ۳۴۹.۵۴ for spike number, grain yield ۳۳۰۹.۵kg and۱۰۹۳۲.۱ kg of biomass to ensure that this amount ۱۰۰% of the recommended intake of phosphorus fertilizers match. Grain weight and harvest index attributes that have not been affected by the biological fertilizer. The results of this study showed that the use of phosphorus biological fertilizer (barvar۲) can be used as a substitute for a portion of the phosphorus fertilizer, without a decrease in yield occurs.In order to evaluate the effectiveness of phosphorus biological fertilizers (Barvar۲) and triple super phosphate fertilizer amounts on the yield and yield components of bread wheat and durum, a split-split plot experiment within randomized completely block design with four replications in December۲۰۰۹ in research farm of Agriculture and Natural Resources University of Ramin in Khuzestan was carried out. The main plots were chemical fertilizer triple super phosphate (zero, ۵۰% and ۱۰۰% of phosphate fertilizers), subplots were bio-fertilizer barvar۲ (control, by basal application and top dressing) and sub-subplots were wheat cultivars (Chamran and Behrang).Results showed that ۵۰% of phosphorus with the barvar۲ base led to a No. ۳۴۹.۵۴ for spike number, grain yield ۳۳۰۹.۵kg and۱۰۹۳۲.۱ kg of biomass to ensure that this amount ۱۰۰% of the recommended intake of phosphorus fertilizers match. Grain weight and harvest index attributes that have not been affected by the biological fertilizer. The results of this study showed that the use of phosphorus biological fertilizer (barvar۲) can be used as a substitute for a portion of the phosphorus fertilizer, without a decrease in yield occurs.

Keywords:

Cultivar , Yield , Phosphorus , Harvest index