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Mignouna, Djana B.Abdoulaye, TahirouAlene, A.Manyong, Victor M.Dontsop Nguezet, Paul M.Ainembabazi, John H.Asiedu, Robert[A microeconometric analysis of household consumption expenditure determinants in yamgrowing areas of Nigeria and Ghana]A microeconometric analysis of household consumption expenditure determinants in yamgrowing areas of Nigeria and Ghana

The Yam Improvement for Income and Food Security in West Africa (YIIFSWA) project was initiated to assess and understand yam-based systems in order to identify the opportunities of interventions that could potentially help to increase productivity in the region. The project consists of two phases...


Mignouna, Djana B.Abdoulaye, TahirouAlene, A.Asiedu, RobertManyong, Victor M.[Characterization of yam-growing households in the project areas of Ghana]Characterization of yam-growing households in the project areas of Ghana

In Nigeria, increased land-use intensity has depressed the use of fallow for soil fertility restoration. Crop yields have fallen, threatening food security. High cost limits farmers’ access to fertilizers. Reliance on crop-livestock interaction is plausible because animals provide manure. This pa...


Chianu, J.N.Tsujii, H.Manyong, Victor M.[Crop-livestock interaction in the savannas of Nigeria: nature and determinants of farmer decision to use manure for soil fertility maintenance]Crop-livestock interaction in the savannas of Nigeria: nature and determinants of farmer decision to use manure for soil fertility maintenance

For a long time, farmers in Nyanza and Western provinces in Kenya have had to deal with the Striga problem. To most of them Striga had become a way of life and they had given up hope. Striga affects their mainstay crops, which are maize, sorghum and mil- let. After an extensive search for...


Manyong, Victor M.Nindi, S.J.Alene, Arega D.Odhiambo, G.D.Omanya, G.Mignouna, H.D.Bokanga, M.[Farmer perceptions of Imazapyr Resistant (IR) maize on the control of Striga in Western Kenya]Farmer perceptions of Imazapyr Resistant (IR) maize on the control of Striga in Western Kenya

This report presents the results of the baseline study undertaken to assess the status of Striga damage, the general livelihoods and livelihood strategies of the rural poor in western Kenya. A stratified random sampling method led to the selection of 8 districts, 16 sub-locations, 32 villages ...


Manyong, Victor M.Alene, Arega D.Olanrewaju, A.S.Ayedun, B.Rweyendela, V.Wesonga, A.S.Omanya, G.Mignouna, H.Bokanga, M.[Baseline study of Striga control using Imazapyr Resistant (IR) maize in Western Kenya]Baseline study of Striga control using Imazapyr Resistant (IR) maize in Western Kenya

This paper evaluates the impact of an emergency research for development project implemented in the Democratic Republic of Congo from 2000 to 2009 by a various actors including the International Institute of Tropical Agriculture in response to the outbreak of the Cassava Mosaic Disease that threa...


Rusike, J.Mahungu, N.M.Lukombo, S.S.Kendenga, T.Bidiaka, S.M.Alene, A.Lema, A.Manyong, Victor M.[The impact of the emergency response to the outbreak of the cassava mosaic disease in the Democratic Republic of Congo]The impact of the emergency response to the outbreak of the cassava mosaic disease in the Democratic Republic of Congo

The International Institute of Tropical Agriculture (IITA) and its research-for-development partners have made substantial contributions to food security, poverty reduction and environmental protection in sub-Saharan Africa. Technologies developed and largely diffused include high yielding variet...


Nkamleu, G.B.Coulibaly, O.Sanogo, D.Manyong, Victor M.Alene, Arega D.[Ex post impact assessment of agricultural research in subSaharan Africa: the IITA experience]Ex post impact assessment of agricultural research in subSaharan Africa: the IITA experience

Declining agricultural research budgets coupled with worsening poverty have increasingly required formal priority setting of public agricultural research in developing countries to ensure that scarce research resources are allocated in ways that will have the greatest impact on the poor. This pap...


Alene, Arega D.Manyong, Victor M.Tollens, E.F.Abele, S.[Setting strategic agricultural research priorities based on potential impacts on poverty reduction: the case of Nigeria]Setting strategic agricultural research priorities based on potential impacts on poverty reduction: the case of Nigeria

The International Institute of Agriculture (IITA) is among the major suppliers of genetic materials to national agricultural research and extension systems in West and Central Africa for the development of improved maize varieties. This paper presents the results of a survey of the impact of germ...


Manyong, Victor M.Kling, J.Mankinde, K.Ajala, S.Menkir, A.[Impact of IITA germplasm improvement on maize production in West and Central Africa]Impact of IITA germplasm improvement on maize production in West and Central Africa

Sustainable agricultural intensification requires the use of multiple agricultural technologies in an integrated manner to enhance productivity while conserving the natural resource base. This study analyses the adoption and impacts of sustainable intensification practices (SIPs) using a dataset ...


Kotu, B.H.Alene, A.Manyong, Victor M.Hoeschle-Zeledon, IrmgardLarbi, Asamoah[Adoption and impacts of sustainable intensification practices in Ghana]Adoption and impacts of sustainable intensification practices in Ghana

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