Joint effect of nitrogen and phosphorus
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J. Pintado; M. A. Murado; M.P. Gonzalez; J. Miron; L. Pastrana
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Article
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1993
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Springer Netherlands
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English
⚖ 406 KB
The joint effects of the initial concentration of N and P on the production of citric acid by 11 strains of Aspergillus niger on an effluent are studied by means of orthogonal full-factorial 22 designs. The results allow the definition of a series of empirical equations describing well differentiate