Abstract
Aiming to investigate the interaction between Azotobacter Chroococcum, Bacillus Subtilis and four levels of phosphate rock fertilizer 0, 50,100 and 150 kg.K.ha-1 on Ammonium & Nitrate concentrations in Soil and Plant this, field experiment was carried out. The results present that inoculation with Azotobacter Chroococcum, Bacillus Subtilis, and Phosphate Rock Fertilizer singly or double produced a significant increase in (Ammonium concentrations in Soil and Plant and Nitrate concentrations in Soil and Plant) compared to the control. The application of Azotobacter Chroococcum, Bacillus Subtilis, and Phosphate Rock Fertilizer at the level of 150 kg.K.ha-1 (30.75), (3093), (85, 02) (5,917) mg.kg-1. Resulted in the highest values of the studied traits, respectively, compared to the control.
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