Note on the draft regional project /development of permanent systems of agriculture in Africa/.
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Format: | Texto biblioteca |
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1960
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Subjects: | AGRICULTURE, RESEARCH, SHIFTING CULTIVATION, SUBSISTENCE FARMING, RURAL SETTLEMENT, ZIMBABWE, AGRICULTURA, RECHERCHE, CULTURE ITINERANTE, AGRICULTURE DE SUBSISTANCE, COLONISATION RURALE, INVESTIGACION, CULTIVO MIGRATORIO, AGRICULTURA DE SUBSISTENCIA, COLONIZACION, |
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