Farming systems in Africa; a working bibliography, 1930-1978
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| Main Authors: | , , |
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| Format: | Texto biblioteca |
| Language: | |
| Published: |
Boston, MA (USA) G.K. Hall
1979
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| Subjects: | FARMING SYSTEMS, CROPPING SYSTEMS, SOIL, SYSTEME D'EXPLOITATION AGRICOLE, SYSTEME DE CULTURE, SISTEMAS DE EXPLOTACION, SISTEMAS DE CULTIVO, SOL, SUELO, |
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