Abstract
The pots experiment was carried out in green house which belong to the Department of horti culture and Engineering,College of Agriculture, University of Anbar, to study the effect of locally prepared biofertilizers and their enzymatic activity on the growth of maize (Al Maha gender) and the activity of phosphatase, protease, glucosidase, urease, respiratory efficiency, and survival of nitrogen-fixing and phosphate-dissolving bacteria in the soil and some Morphological and physiological characteristics of corn plant, during the spring agricultural season of 2022. The experiment included testing 5 isolates with doubled combinations of isolates: Azotobacter chroococcum, Bacillus megaterium, Azosprillum lipoferum, Pseudomonas putida, Actinomycetes.There were 16 treatments with control treatment (without addition). The treatment A. chroococcum + Az. lipoferum has the highest content of total nitrogen in the soil and in the presence of maize after 60 days reach to 185 mg N kg−1 followed by Az lipoferum treatment at a rate of 177 mg N kg−1, while the lowest nitrogen content in the control treatment was 65 mg N kg−1, and the B. megaterium + P. putida treatment excelled with the highest phosphorus content of 13.65 mg P kg−1, it was found that the bacterial number in the soil reach the highest level in the treatment of B.megaterium + P. putida with the highest level of cfu g−1 soil reach to 3.3*10 7 of cfu g−1 soi.
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More From: IOP Conference Series: Earth and Environmental Science
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