Soil conservation policies: an assessment. Based on material presented at the National Conference on Soil Conservation Policies, Nov 15-16, 1979, Washington, D.C.
Tables. Includes bibliographies
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Format: | Texto biblioteca |
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Ankeny, Iowa (USA) SCSA
1979
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Subjects: | SOIL CONSERVATION, AGRICULTURAL POLICIES, CONSERVATION DES SOLS, CONSERVACION DE SUELOS, POLITIQUE AGRICOLE, POLITICA AGRICOLA, |
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