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    Effect of pH on the growth of rhizobia and nitrogen fixation in some rhizsobium-legume associations 由 Pratuang, Krootha 1944-

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    Effect of PH on the growth of rhizobia and nitrogen fixation in some rhizobium-legume associations [microform] 由 Pratuang, Krootha 1944-

    出版 1977
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