Extension and education materials for sustainable agriculture. A project of the North Central Region Sustainable Agriculture Research and Education and Agriculture in Concert with the Environment
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Format: | Texto biblioteca |
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Lincoln, NE (USA) Nebraska Univ., Center for Sustainable Agricultural Sytems
1994
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Subjects: | EXTENSION ACTIVITIES, EDUCATION, TEACHING MATERIALS, AGRICULTURAL DEVELOPMENT, SUSTAINABILITY, VULGARISATION, MATERIEL PEDAGOGIQUE, EXTENSION, EDUCACION, MATERIALES DE ENSENANZA, DEVELOPPEMENT AGRICOLE, DURABILITE, DESARROLLO AGRICOLA, SOSTENIBILIDAD, |
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