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Ogecha, JohnOnyango, PatrickWosula, David[Supporting investments for up scaling of grain legumes in western Kenya through assessing and modeling the threat of biotic stressors.]Supporting investments for up scaling of grain legumes in western Kenya through assessing and modeling the threat of biotic stressors.

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 is a major food and cash crop in northern Nigeria, providing nutritious grain and a less expensive source of protein for both the rural poor and urban consumers. A number of improved varieties have been developed combining diverse plant type, and different maturity periods, with resistance...


Kamara, A.Y.Omoigui, L.O.Ewansiha, S.U.[Improving the productivity of cowpea in the savannas of northeast Nigeria through participatory evaluation and dissemination of improved varieties]Improving the productivity of cowpea in the savannas of northeast Nigeria through participatory evaluation and dissemination of improved varieties

A field study was conducted to determine the rate of genetic improvement in grain and fodder yields of cowpea genotypes developed in the Nigerian Sudan savannas from 1970 to 2004. Results showed that grain yield ranged from 568 kg/ha for an old variety TVX3236 to 1851 kg/ha for a recently release...


Kamara, A.Y.Ewansiha, S.U.Ajeigbe, Hakeem A.Okechukwu, R.U.Tefera, H.Boukar, O.Omoigui, L.O.[Improvements in grain and fodder yield of cowpea (Vigna unguiculata) varieties developed in the Sudan savannas of Nigeria over the past four decades]Improvements in grain and fodder yield of cowpea (Vigna unguiculata) varieties developed in the Sudan savannas of Nigeria over the past four decades

Plant architecture and N fertilizer may limit the performance of intercropped maize (Zea mays L.) and cowpea [Vigna unguiculata (L.) Walpers] cultivars. This paper describes an experiment in which cultivars of maize and cowpea were intercropped and fertilized with varying rates of N. The cowpea c...


Ezumah, H.C.Nam, N.K.Walker, P.[Maize-cowpea intercropping as affected by nitrogen fertilization]Maize-cowpea intercropping as affected by nitrogen fertilization

International Institute of Tropical Agriculture[Quality and yield: supporting smallholder farmers’ decisions on top quality commercial products]Quality and yield: supporting smallholder farmers’ decisions on top quality commercial products

Esipisu, I.[Quality and yield: supporting smallholder farmers’ decisions on top quality commercial products]Quality and yield: supporting smallholder farmers’ decisions on top quality commercial products

Cowpea farming practices have been ongoing for millennia and have always faced various challenges including diseases, insects, and weeds, that lower its yield to no more than 200 kg/ha. This economically and nutritionally important crop has been a major research focus of the International Institu...


Dabiré, B.C.Tignegré, J.B.Ba, Malick N.Tamò, M.Sanon, A.Ouédraogo, T.J.Neya, B.J.Muleba, N.Hammond, W.Coulibaly, O.[An historical review of progress to control key cowpea biotic constraints in Burkina Faso]An historical review of progress to control key cowpea biotic constraints in Burkina Faso

Ikerra, S.[Quality and yield: supporting smallholder farmers’ decisions on top quality commercial products]Quality and yield: supporting smallholder farmers’ decisions on top quality commercial products

Simiyu, N.S.W.Tarus, D.Watiti, J.Nang’ayo, F.[Effective regulation of bio-fertilizers and bio-pesticides: a potential avenue to increase agricultural productivity.]Effective regulation of bio-fertilizers and bio-pesticides: a potential avenue to increase agricultural productivity.

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