Rock phosphate solubilization under alkaline conditions byAspergillus japonicus andA. foetidus |
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| Authors: | R Singal R Gupta R K Saxena |
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| Institution: | (1) Department of Microbiology, University of Delhi South Campus, 110 021 New Delhi, India |
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| Abstract: | Aspergillus japonicus andA. foetidus were found to solubilize, five types of Indian rock phosphates at pH 8 and 9. Solubilization was higher in the presence of
pyrite than in controls lacking either pyrite or fungal, inoculum. Both the aspergilli were found to be good pyrite solubilizers
and could grow over a wide pH range. Solubilization of rock phosphates was the result of organic acid release and pyrite oxidation. |
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