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    Biological nitrogen fixation in farming systems of the Tropics

    Biological nitrogen fixation in farming systems of the Tropics

    Published 1977
    Other Authors: “…Ayanaba, A…”
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  2. 2
    Biological nitrogen fixation in farming systems of the Tropics : based on papers presented at a symposium held at the International Institute of Tropical Agriculture, Ibadan, Nigeria, in October 1975 /

    Biological nitrogen fixation in farming systems of the Tropics : based on papers presented at a symposium held at the International Institute of Tropical Agriculture, Ibadan, Niger...

    Published 1977
    Other Authors: “…Ayanaba, A.…”
    Book

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