Report and recommendations on organic farming
Tables. Includes bibliographies. Summaries (En)
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Main Authors: | , , , , , |
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Format: | Texto biblioteca |
Language: | |
Published: |
(Washington, DC) (USA) U.S. Govt. Printing Office
1980
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Subjects: | ORGANIC AGRICULTURE, CULTURAL METHODS, SOIL FERTILITY, ORGANIC FERTILIZERS, AGRICULTURE BIOLOGIQUE, AGRICULTURA ORGANICA, MODE DE CULTURE, FERTILITE DU SOL, ENGRAIS ORGANIQUE, METODOS DE CULTIVO, FERTILIDAD DEL SUELO, ABONOS ORGANICOS, |
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