The soil under shifting cultivation
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| Main Authors: | , , |
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| Format: | biblioteca |
| Published: |
Farnham Royal (RU)
1960
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| Subjects: | SUELOS, AGRICULTURA MIGRATORIA, USO DE LA TIERRA, INCENDIOS, MALEZAS, ABONOS, ENFERMEDADES DE PLANTAS, PLAGAS, AFRICA TROPICAL, |
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