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Published studies to date have suggested that seed-yam (Dioscorea rotundata) production in Nigeria using minisett (∼0.025 kg) technology or an adapted form of the technology using larger setts (0.08 to 0.1 kg) was not profitable. But these studies were often conducted under artificial conditions ...


Ibana, S.Coyne, D.L.Claudius-Cole, A.O.McNamara, N.Morse, S.[Economic analysis of commercial seed yam production systems in the Subhumid ecologies of the river Niger]Economic analysis of commercial seed yam production systems in the Subhumid ecologies of the river Niger

Speargrassseverely constraints crop production in the sub-humid lowlands of West Africa. Researchers have identified and demonstrated effectivemanagement techniques but the adoption rate among farmers is still low. Data were collected from 41 communities in Cross River, Kogi and BenueStates in Ni...


Chikoye, D.Ellis-Jones, J.Tarawali, G.Kormawa, P.M.Nielsen, O.Ibana, S.Avav, T.[Farmers perceptions of the speargrass (Imperata cylindrica) problem and its control in the lowland subhumid savannah of Nigeria]Farmers perceptions of the speargrass (Imperata cylindrica) problem and its control in the lowland subhumid savannah of Nigeria
Ezedinma, C.Udensi, U.Okechukwu, R.Ibana, S.Akoroda, M.O.Ilona, P.Ogbe, F.Sanni, L.O.Lemchi, J.Chikoye, D.Okoro, E.Dixon, A.[Cassava weeds and management in Nigeria]Cassava weeds and management in Nigeria

Increasing spread of Imperata in the sub-humid Savannah of Nigeria has had many neg- ative results threatening the sustainability of the natural resource base and livelihood of farmers. A community-based participatory approach (PA) was conducted to identify cur- rent and alternative technologies ...


Kormawa, P.M.Ellis-Jones, J.Ibana, S.Chikoye, D.Schultz, S.Nielsen, O.K.Douthwaite, BoruUdensi, U.[A participatory appraisal of Imperata management strategies for sustainable land use in the subhumid savanna of Nigeria]A participatory appraisal of Imperata management strategies for sustainable land use in the subhumid savanna of Nigeria

Cogongrass is a serious weed in small-scale farms in the lowland humid zone of West Africa. This study evaluated the response of cogongrass to herbicides and the legume cover crop velvetbean in cassava and white Guinea yam. In 2001/2002, cassava tuber yields and gross ...


Chikoye, D.Ellis-Jones, J.Kormawa, P.M.Udensi, U.Ibana, S.Avav, T.[Options for cogongrass ((Imperata cylindrica) control in white guinea yam (Dioscorea rotundata) and cassava (Manihot esculenta)1]Options for cogongrass ((Imperata cylindrica) control in white guinea yam (Dioscorea rotundata) and cassava (Manihot esculenta)1

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