Simbiosis Rhizobium leguminosa by Azcón González de Aguilar, Concepción

Methods for evaluating nitrogen fixation by nodulated legumes in the field /

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Symbiotic nitrogen fixation in plants /

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Recent developments in biological nitrogen fixation research in Africa : Proceedings /

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Biological N fixation in forage-livestock systems /

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Limitations and potentials for biological nitrogen fixation in the tropics /

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A Manual for the practical study of the root-nodule bacteria / by Vincent, J. M.

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Manual práctico de rizobiología / by Vincent, J. M.

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Nitrogen fixation in agriculture, forestry, ecology and the environment /

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Praderas y forrajes : producción y aprovechamiento / by de Muslera Pardo, Enrique

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Chemistry and biochemistry of herbage /

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Forages /

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