Ecologically oriented agriculture; a discussion paper
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Main Authors: | , |
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Format: | biblioteca |
Published: |
Washington, DC (EUA), 1980
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Subjects: | ECOLOGIA VEGETAL, ABONOS, EROSION, PLAGAS, ASPECTOS SOCIOECONOMICOS, SISTEMAS AGRICOLAS, SISTEMAS DE CULTIVO, INVESTIGACION, MALEZAS, ARBOLES Y CULTIVOS PERENNES, ARBOLES Y ANIMALES, ARBOLES Y CULTIVOS ANUALES, HUERTOS FAMILIARES, FIJACION DE NITROGENO, ACACIA, TROPICO HUMEDO, |
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