Versions - Soil degradation: a threat to developing-country food security by 2020?

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    Soil degradation: a threat to developing-country food security by 2020? by Scherr, Sara J.

    Published 1999
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    Brief
  2. Cover Image

    Soil degradation: a threat to developing-country food security by 2020? by Scherr, Sara J.

    Published 1999
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    Artículo preliminar

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