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The parasitic angiosperms, Striga hermonthica and S. gesnerioides, obligate root parasites endemic in sub-Saharan Africa, constitute severe constraints to cereal and legume production in West and Central Africa. Over the years, a range of effective component technologies has been identified for S...


Emechebe, A.Ellis-Jones, J.Schulz, S.Chikoye, D.Douthwaite, BoruKureh, ITarawali, G.Hussaini, M.A.Kormawa, P.M.Sanni, AO[Farmers´ perception of the striga problem and its control in Northern Nigeria]Farmers´ perception of the striga problem and its control in Northern Nigeria

Infestation of cereals and cowpeas by Striga species constitute a major constraint to increased crop pro-ductivity in the savannas of northern Nigeria. Field surveys were undertaken in Jigawa State, Nigeria in2012 to assess (i) the level and extent of Strgia infestation of cereal and cowpea field...


Kamara, A.Ekeleme, F.Jibrin, J.M.Tarawali, G.Tofa, A.[Assessment of level, extent and factors influencing Striga infestation of cereals and cowpea in a Sudan Savanna ecology of Northern Nigeria]Assessment of level, extent and factors influencing Striga infestation of cereals and cowpea in a Sudan Savanna ecology of Northern Nigeria

An advanced time series econometric technique was used to study the interaction between the prices of fermented flour, a popular cassava-based food product also called lafun, in typical urban-demand and ruralsupply markets in Nigeria. The price data cover 95 weeks from week 37 of 2004 to week 28 ...


Ojiako, I.A.Tarawali, G.Ezedinma, C.Okechukwu, R.U.[Spatial integration and price transmission in selected rural and urban markets for cassava fresh roots in Nigeria]Spatial integration and price transmission in selected rural and urban markets for cassava fresh roots in Nigeria

The associations between the production and some of the variously-debated factors that have the tendency to influence it, including cultivated land area, yield, and climatic conditions, were investigated for yams (Discora Roundata), a leading tuber crop in Nigeria. Secondary data collected from t...


Ojiako, I.Tarawali, G.Akwarandu, B.Okechukwu, R.U.Idowu, A.[Analysis of relationships between production of yam [Dioscorea spp.] and its determinants in Nigeria: a cointegration approach]Analysis of relationships between production of yam [Dioscorea spp.] and its determinants in Nigeria: a cointegration approach

Understanding the resource allocation and use efficiency is essential considering the supportive role of agriculture in the advancement of other productive sectors of the economy. Technical efficiency and its determinants were investigated among smallholder cassava-farming and decision-taking uni...


Ojiako, I.A.Tarawali, G.Okechukwu, R.U.Chianu, J.Ezedinma, C.Edet, M.[Efficiency and its determinants among smallholder farming units supplying cassava to commercial starch processors in Nigeria: data envelopment analysis approach]Efficiency and its determinants among smallholder farming units supplying cassava to commercial starch processors in Nigeria: data envelopment analysis approach

Land degradation in the West African subregion is threatening the food security and livelihoods of both rural and urban populations. Green manure cover crops have the potential of reversing such trends. A wide range of stakeholders have been involved in the promotion of these technologies and it ...


Tarawali, G.Markham, R.Carsky, R.J.Keatinge, J.D.H.[A regional experiment to test green manure cover crops and evaluate the role of Internet based networking]A regional experiment to test green manure cover crops and evaluate the role of Internet based networking
Akoroda, M.O.Amegbeto, K.Asiedu, RobertAttey, A.N.Baah, F.Bakam, I.Bandyopadhyay, RanajitBoivin, M.Boons, P.Cornet, D.Coyne, D.L.David, S.Dixon, A.Dumet, D.Ezedinma, C.Gockowski, J.Goergen, Georg E.Gyamfi, I.Hanna, R.Halos-Kim, L.Hauser, S.Hughes, J.Kikuno, H.Kolesnikova-Allen, M.Legg, C.Legg, J.P.Lema, A.Lemchi, J.Lokko, Y.Makinde, K.Mahungu, N.M.Maroya, N.G.Maziya-Dixon, B.B.Mkumbira, J.Mva Mva, J.Mwangi, M.Nguimgo, B.Nielsen, O.Nkamleu, G.B.Nolte, C.Norgrove, L.Ogbe, F.Okafor, C.Okechukwu, R.Okoro, E.Patino, M.Sanni, L.O.Shiwachi, H.Ssemakula, G.N.Tarawali, G.Tenkouno, A.Tindo, M.Toko, M.Weise, S.F.Wendt, J.Yapo Assamoi, A.[Program E: Enhancing livelihoods in the humid and subhumid zones of West and Central Africa through profitable and sustainable intensification of diverse agricultural systems]Program E: Enhancing livelihoods in the humid and subhumid zones of West and Central Africa through profitable and sustainable intensification of diverse agricultural systems

An analysis was conducted of the productivity of smallholder farmers enrolled into an out-growers’ scheme to supply cassava to commercial starch processors under the Nestlé-IITA cassava starch value chain project. Under the project, improved cassava varieties–cloned to be high-yielding, early mat...


Ojiako, I.A.Tarawali, G.Okechukwu, R.U.Chianu, J.Ezedinma, C.Edet, M.[Profitability of cassava production: comparing the actual and potential returns on investment among smallholders in southern Nigeria]Profitability of cassava production: comparing the actual and potential returns on investment among smallholders in southern Nigeria

This study assesses, in an indicative way, the impact of fodder banks and forage legume technology in countries of West Africa. The economic surplus method is used to estimate the social rate of return to public investment in research on fodder banks and the distribution of that return amongst pr...


Elbasha, E.Thornton, Philip K.Tarawali, G.[An ex post economic assessment of planted forages in West Africa]An ex post economic assessment of planted forages in West Africa

The browse shrub Gliricidia sepium, introduced into the subhumid zone of Nigeria to serve as a supplementary-forage source for ruminant during the dry season, has the undesirable characteristic of shedding its leaves during its flowering phase which coincides with the early dry season. This repor...


Tarawali, G.Iji, P.A.Chionuma, P.C.Obot, U.[Herbage yield and quality of Gliricidia sepium under different cutting heights and defoliation frequencies]Herbage yield and quality of Gliricidia sepium under different cutting heights and defoliation frequencies

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