Search Results - Heichel, GH

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    Efficiency of energy production in maize-bean and other mixed cropping systems by Francis, C.A., Heichel, GH

    Published 1973
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    Conference Paper
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    Efficiency of energy use in producing maize with different technologies by Heichel, GH, Francis, C.A.

    Published 1971
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    Informe técnico

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