Science in the Development of Africa: A Review of the Contribution of Physical and Biological Knowledge South of the SaharaCommission for Technical Co-operation in Africa South of the Sahara, 1958 - 462 עמודים |
מהדורות אחרות - הצג הכל
מונחים וביטויים נפוצים
Africa South agricultural Angola animal industry applied areas Belgian Congo biological branches breeding British Bukavu cattle centre climate concerned continent Côte d'Ivoire countries crops cultivation departments desert locust disease distribution domestic animals East Africa economic erosion established European example farming fauna fish fisheries flora forest forestry French geological Ghana grass grazing human important improved increase indigenous influence insecticides insects inter-African irrigation Kenya kind laboratory Lake Victoria land locust Madagascar maize maps methods Museum Nairobi native natural Nigeria Nile northern Nyasaland organisation pests plantations plants population Portuguese Pretoria problems production rainfall recent region research station rinderpest river Sahara scale scheme scientific scientists shifting cultivation soil South Africa Southern Rhodesia specialists species sub-region Sudan supplies survey Tanganyika territories to-day trees tropical Africa tsetse flies Uganda vectors vegetation veterinary West wild animals