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The Bill and Melinda Gates Foundation (BMGF) provided a 4-year financial support to the International Institute for Tropical Agriculture (IITA) and other partners in 2011 to adapt and intensively promote proven integrated Striga management strategies in cowpea and maize farming systems in north...


Amaza P.Hassan, M.B.Abdoulaye, TahirouKamara, A.Oluoch. M.[Mid-term and cost-benefit study of smallholder farmers in Striga-Infested maize and cowpea growing areas of Northern Nigeria]Mid-term and cost-benefit study of smallholder farmers in Striga-Infested maize and cowpea growing areas of Northern Nigeria

Cowpea is a key cash crop and also a staple food for millions of people in West and Central Africa. Cowpea trade is severely hampered by storage insects especially the cowpea weevil. The Purdue Improved Cowpea Storage (PICS) project was started in Nigeria in 2008 on a pilot basis in the states of...


Abdoulaye, TahirouAyedun, B.Musa, S.A.Lowenberg-Deboer, J.Baributsa, D.Yakubu, S.A.Idris, A.A.[Adoption of PICS bags in Northern Nigeria: a case study of Jigawa, Kano, and Katsina States]Adoption of PICS bags in Northern Nigeria: a case study of Jigawa, Kano, and Katsina States

Cowpea covers the largest area of any grain legume in Africa and is especially important in West Africa where Nigeria and Niger alone account for over 75% of the total cowpea production in the world. Despite successes of international and national cowpea improvement research in the development an...


Manda, J.Alene, A.Hirpa Tufa, A.Abdoulaye, TahirouKamara, A.Olufajo, O.Boukar, O.Manyong, Victor M.[Adoption and ex-post impacts of improved cowpea varieties on productivity and net returns in Nigeria]Adoption and ex-post impacts of improved cowpea varieties on productivity and net returns in Nigeria
Baributsa, D.Baoua, I.Lowenberg-Deboer, J.Abdoulaye, TahirouMurdock, L.L.[Purdue improved cowpea storage (PICS) technology]Purdue improved cowpea storage (PICS) technology

Participatory research and development approaches involving all stakeholders along the value chain have recently been hypothesized to produce quicker outcomes than the linear technology transfer model. This paper analyzed the crop yield obtained by farmers and their uptake of improved technologie...


Abdoulaye, TahirouAmaza, P.S.Olanrewaju, A.S.Ellis-Jones, J.[Promoting the adoption of innovations through participatory approaches: example from northern Nigeria]Promoting the adoption of innovations through participatory approaches: example from northern Nigeria

The Purdue Improved Cowpea Storage (PICS) technology has been disseminated in 30,896 villages in 10different countries in West and Central Africa from 2007 to 2012. Extension and supply chain devel-opment efforts were required to make the PICS technology available to millions of farmers and other...


Baributsa, D.Abdoulaye, TahirouLowenberg-Deboer, J.Dabiré, C.Moussa, B.Coulibaly, O.Baoua, I.[Market building for postharvest technology through largescale extension efforts]Market building for postharvest technology through largescale extension efforts

This study is based on interviews with 3456 randomly selected cowpea farmers in 322 villages in ten countries in West and Central Africa in 2010 and 2012. It uses descriptive statistics to track the trends in adoption of cowpea storage technology compared to previous studies and Firth logistic re...


Moussa, B.Abdoulaye, TahirouCoulibaly, O.Baributsa, D.Lowenberg-Deboer, J.[Adoption of onfarm hermetic storage for cowpea in West and Central Africa in 2012]Adoption of onfarm hermetic storage for cowpea in West and Central Africa in 2012

High seed quality is a critical component for realising yield potential. For smallholder cowpea farmers in northern Nigeria the informal seed system is a major supplier of genetically high-quality seed, but the physiological quality of farmers’ produced seed remains unknown. The project “Promotin...


Biemond, P.C.Stomph, T.Kamara, A.Abdoulaye, TahirouHearne, S.Struik, Paul C.[Are investments in an informal seed system for cowpea a worthwhile endeavour?]Are investments in an informal seed system for cowpea a worthwhile endeavour?

In 2010, a survey was carried out in Jigawa, Kano and Katsina States to ascertain the level of reuse of the Purdue Improved Cowpea Storage (PICS) bags (technique for cowpea storage) among 2008 users. The PICS project has ecommended to farmers to reuse their PICS bags as long as they are not punct...


Abdoulaye, TahirouAyedun, B.Musa, S.A.Lowenberg-Deboer, J.Baributsa, D.[Assessing the reuse of PICS bags in Jigawa, Kano, and Katsina States of northern Nigeria]Assessing the reuse of PICS bags in Jigawa, Kano, and Katsina States of northern Nigeria

The study reveals the stakes of the triple baggingmethod, assesses farmer perception about thistechnology and identifies the factors determiningtheir perception. One of the most limiting factors ofcowpea production is the storage. To solve thisproblem, Purdue University Improved CowpeaStorage Pro...


Folefack, D.Sobda, A.Tengomo, S.Boukar, O.Abdoulaye, Tahirou[Vulgarisation de la methode du triple ensachage pour le stockage ameliore du niebe en zone sahelienne du Nord Cameroun: enjeux et perceptions paysannes]Vulgarisation de la methode du triple ensachage pour le stockage ameliore du niebe en zone sahelienne du Nord Cameroun: enjeux et perceptions paysannes

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