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The extent to which agricultural technologies have had an impact in the humid forest zone remains questionable as adoption levels have been low. The technologies developed emphasized on maintaining soil fertility and crop yields in short fallow systems. This chapter defines the problems and oppor...


Duindam, J.W.Hauser, S.[Prioritizing research efforts to increase onfarm income generation: the case of cassavabased farmers in periurban Southern Cameroon]Prioritizing research efforts to increase onfarm income generation: the case of cassavabased farmers in periurban Southern Cameroon

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

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
Sridhar, G.Rao, K.P.C.[Addressing the potential impacts of climate change and variability on agricultural crops and water resources in Pennar river basin of Andhra Pradesh]Addressing the potential impacts of climate change and variability on agricultural crops and water resources in Pennar river basin of Andhra Pradesh

To effectively adapt to climate change, farmers, governments, and other stakeholders must understand the potential effects on crop and livestock production.


Thornton, Philip K.[Impacts of Climate Change on length of growing period.]Impacts of Climate Change on length of growing period.
Autor: Arouna, A.

Market access is a major constraint of smallholder rice producers in sub-Saharan Africa (SSA). There is increasing evidence that acting collectively offers one way for smallholders to participate more efficiently in the market. This chapter aimed to identify the determinants of participation in c...


Arouna, A.[Assessing the Impact of Collective Marketing of Paddy Rice in Innovation Platforms by Smallholder Producers in Benin]Assessing the Impact of Collective Marketing of Paddy Rice in Innovation Platforms by Smallholder Producers in Benin
Stür, Werner W.Phengsavanh, PGabunada Junior, FAHorne, P.Truong Tan KhanhPhimphachanhvongsod, V.Connell, JHolmann, Federico J.[A survey of adoption of improved forages in Southeast Asia]A survey of adoption of improved forages in Southeast Asia
Nagothu, U. S.Barton, David N.Gosain, A. K.Kuppannan, PalanisamiTirupathaiah, K.Stalnacke, P.Gupta, S.Deelstra, J.[Summary and way forward.]Summary and way forward.
Kleinwechter, U.Hareau, G.Bonierbale, Merideth W.Gastelo, M.Harahagazwe, D.[Ex ante evaluation of improved potato varieties for sub-Saharan Africa.]Ex ante evaluation of improved potato varieties for sub-Saharan Africa.

The potato has a fascinating history, from its origin and domestication in the Andean Region, where it was essential for feeding a growing population, for example, the Inca Empire, to its introduction into farming and food systems in Europe and elsewhere in the world. This crop has been the key f...


Ortiz, O.Mares, V.[The historical, social, and economic importance of the potato crop]The historical, social, and economic importance of the potato crop

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