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Rice production by smallholder farmers in the savannas of Nigeria is constrained by weed competition. A field study was conducted to assess the effect of weed competition on the performance of upland rice varieties in 2005 and 2006 in the northern Guinea and Sudan savannas of Nigeria. The experim...


Ekeleme, F.Kamara, A.Y.Oikeh, S.O.Chikoye, D.Omoigui, L.O.[Effect of weed competition on upland rice production in north-eastern Nigeria]Effect of weed competition on upland rice production in north-eastern Nigeria

Field studies were conducted in 1991 and 1992 on a sandy loam soil in the derived savanna zone of south-western Nigeria to assess the effect of the underground organs of Imperata cylindrica (L.) Raeuschel on maize grain yield. Total dry matter of I. cylindrica in abandoned arable land averaged 16...


Akobundu, I.Ekeleme, F.[Effect of method of Imperata cylindrica management on maize grain yield in the derived savanna of southwestern Nigeria]Effect of method of Imperata cylindrica management on maize grain yield in the derived savanna of southwestern Nigeria

Speargrass is a dominant, competitive and difficult weed to control in tropical Asia, Latin America, and some parts of West Africa. In West Africa, no information is available on the cropping systems and soils most affected by speargrass infestation; Farmers’ perceptions of speargrass and common ...


Chikoye, D.Manyong, Victor M.Ekeleme, F.[Characteristics of speargrass (Imperata cylindrica) dominated fields in West Africa: crops, soil properties, farmer perceptions and management strategies]Characteristics of speargrass (Imperata cylindrica) dominated fields in West Africa: crops, soil properties, farmer perceptions and management strategies

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