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  • Title: Microbial fixation of nitrogen in the presence of lanthanum sulphate.
    Author: Ranganayaki S, Bahadur K, Mohan C.
    Journal: Z Allg Mikrobiol; 1981; 21(4):329-32. PubMed ID: 7293243.
    Abstract:
    The effect of lanthanum sulphate on five Azotobacter strains (4A7, 10, 5A2, 5A1, and 3A3) isolated from Allahabad soil consists in a considerable increase in the nitrogen fixation, carbon consumption and in the amount of nitrogen fixed in mg per g of carbon consumed. The presence of 200 microM, 300 microM and 400 microM lanthanum sulphate in culture media increases the fixation of nitrogen by all the nitrogen fixers significantly.
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