Search Results - Negatu, W.

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    A survey of the farming systems of Vertisol areas of the Ethiopian highlands by Asamenew, G., Beyene, H., Negatu, W., Ayele, G.

    Published 1993
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    Informe técnico
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    Technology validation and transfer by Asamenew, G., Beyene, H., Haile, Aynalem, Negatu, W.

    Published 1993
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    Informe técnico

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