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Even though cassava is a durable crop, it has certain husbandry requirements and is responsive to favorable crop management practices. Healthy, fresh stem cuttings from mature cassava plants are the best planting materials. Depending on moisture conditions of the soil, farmers plant cassava cutti...


Ekanayake, I.J.Osiru, D.Porto, M.[Agronomy of cassava: IITA research guide, No. 60]Agronomy of cassava: IITA research guide, No. 60

L'igname est une importante denree alimen• tajre surtout dans sa zone de production en Afrique occi• dentale. La production mondiale totale d'igname est d'environ 20 A 25 miIlions de tonnes par an et 70 % d. ce total provient du Nigeria. Bien que consideree comme une denree particulierement riche...


Hahn, S.Osiru, D.Akoroda, M.O.Otoo, J.[Production des ignames; role actuel et perspectives: Guide de recherche de lIita, No. 46 davenir]Production des ignames; role actuel et perspectives: Guide de recherche de lIita, No. 46 davenir

Yam is an important food crop, especially in the ‘yam zone' of West Africa. Total world production is about 20-25 million ton per annum, some 70 per cent of it grown in Nigeria. Although regarded mainly as a source of carbohydrate, some species are nearly as rich in protein as rice or maize.


Hahn, S.K.Osiru, D.Otoo, J.Akoroda, M.O.[Production of yams: present role and future prospect]Production of yams: present role and future prospect

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