Bio-solubilisation capacity of Bacillus megaterium strain of some micronutrients from the pollutrd soil
2010
Stefanescu, I. A., University of Bacau (Romania) | Mocanu, R. | Duncianu, M.
The goal of this study was to test the bio-solubilisation capacity of Bacillus megaterium strain, isolated previously by the author in a polluted medium. The literature showed that Bacillus megaterium had bio accumulative properties of some heavy metals (Pb, As, Cd) or of bio solubilisation of phosphate, silicates, etc. We have tested the bio solubilisation capacity of insoluble compounds or partial soluble compounds of Fe, Mn and Zn, which have high importance for plant growth. These elements were added to the growth medium of microorganisms at different proportions, which are required by plant nutrients. In this case study, microbial metal mobilization from polluted soil by Bacillus megaterium has resulted in manganese and iron mobilization of 60-80%, whereas zinc was mobilized by 20%.
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