Organic farming: current technology and its role in a sustainable agriculture; proceedings of a symposium, Atlanta, GA, 29 Nov - 3 Dec 1981
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Format: | Texto biblioteca |
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Madison, WI (USA) American Society of Agronomy
1984
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Subjects: | ORGANIC AGRICULTURE, NITROGEN FIXATION, TILLAGE, WEED CONTROL, INSECT CONTROL, AGRICULTURE BIOLOGIQUE, AGRICULTURA ORGANICA, FIXATION DE L'AZOTE, TRAVAIL DU SOL, DESHERBAGE, LUTTE ANTIINSECTE, FIJACION DEL NITROGENO, LABRANZA, ESCARDA, CONTROL DE INSECTOS, |
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