Showing 1 - 4 results of 4 for search 'Francis, Charles A., 1940-', query time: 0.13s Refine Results
  1. 1
    Organic farming : the ecological system /

    Organic farming : the ecological system /

    Published 2009
    Other Authors: “…Francis, Charles A., 1940-…”
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  2. 2
    Agroecosystems analysis /

    Agroecosystems analysis /

    Published 2004
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  3. 3
    Exploring the role of diversity in sustainable agriculture : proceedings of a symposium ... /

    Exploring the role of diversity in sustainable agriculture : proceedings of a symposium ... /

    Published 1995
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  4. 4
    Technologies for sustainable agriculture in the tropics : proceedings of two international symposia sponsored by Division A-6 of the American Society of Agronomy in San Antonio, TX, and Denver, CO, 1990 and 1991 respectively /

    Technologies for sustainable agriculture in the tropics : proceedings of two international symposia sponsored by Division A-6 of the American Society of Agronomy in San Antonio, TX...

    Published 1993
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