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Major upland soils in the humid and sub humid zones of West Africa consist of low activity clays (LAC) Alfisols, Ultisols and Oxisols. Alfisols which are less leached and have a high base saturation are more dominant in the sub-humid zone. Chemically they are more fertile, but they have a low str...


Kanno, H.Dixon, A.Asiedu, RobertHahn, S.K.[Host plant resistance of cassava green spider mite (CGM) (Mononychellus tanajoa Bondar) at IITA]Host plant resistance of cassava green spider mite (CGM) (Mononychellus tanajoa Bondar) at IITA

The types of germplasm needed for the different agroecological zones where cassava is grown are outlined briefly in terms of what the main supplier (South America) has to offer. Africa's Atlantic coastal belt, its tropical rain forests, its extensive savannas, and the arid zones are examined in r...


Allem, A.C.Hahn, S.K.[Cassava germplasm strategies for Africa]Cassava germplasm strategies for Africa

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