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Diffusion of improved technologies among small-scale farmers, especially where formal methods and market mechanisms are inefficient, can be enhanced through the participation of farmers. Unfortunately, formal methods of disseminating improved seed in most African countries have not taken advantag...


Kormawa, P.M.Ezedinma, C.Singh, B.[Factors influencing farmer-to-farmer transfer of an improved cowpea variety in Kano State, Nigeria]Factors influencing farmer-to-farmer transfer of an improved cowpea variety in Kano State, Nigeria

Factors affecting cowpea growth in millet/cowpea intercropping were investigated in northern Nigeria. Ecological studies showed that cowpea received from < 30% to > 75% of incident light inside the intercropped canopy. In these light-limited conditions, cowpea varieties with a spreading growth ha...


Terao, T.Watanabe, I.Matsunaga, R.Hakoyama, S.Singh, B.[Agrophysiological constarints in intercropped cowpea: an analysis]Agrophysiological constarints in intercropped cowpea: an analysis

The production of cowpea in Africa and America is reviewed briefly. In traditional cropping systems in West Africa, a diversity of both systems and varieties is observed. The contribution of cowpea to overall productivity is small (on average about a tenth of grain yields, averaging 1.5 l/ha), an...


Mortimore, M.Singh, B.Harris, F.Blade, S.[Cowpea in traditional cropping systems]Cowpea in traditional cropping systems

The imponance of cowpea (Vigna unguiculata [L.] Walp.) is underscored by its use as a component in many cropping system combinations in Africa, Asia, and tropical America. Cropping systems research over the past decade has served as a multidisciplinary approach to examine the biological superiori...


Blade, S.Shetty, S.Terao, T.Singh, B.[Recent developments in cowpea cropping systems research]Recent developments in cowpea cropping systems research

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