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Communicated by Dr. B. Viswa Nath,f.a.sc.
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Iswaran, V., Sundara Rao, W.V.B. The effect of trace elements on nitrogen fixation byAzotobacter . Proc. Indian Acad. Sci. 51, 103–115 (1960). https://doi.org/10.1007/BF03050015
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DOI: https://doi.org/10.1007/BF03050015