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Cowpea-maize intercropping causes low yields of cowpea due to shading effect by maize plants. Staggering of dates of planting of cowpea in an intercrop is a potential way of reducing intercrop shading while increasing cowpea yield. Nonetheless, contrasting cowpea cultivars may have differential r...


Ewansiha, S.U.Kamara, A.Chiezey, U.F.Onyibe, J.E.[Agronomic responses of diverse cowpea cultivars to planting date and cropping system]Agronomic responses of diverse cowpea cultivars to planting date and cropping system

Maize cultivation has recently expanded to the West African Sudan savannah and has the potential to play a key role in the cropping systems of the region where intercrop yields have been low. Staggering planting date and manipulating plant population of component crops are potential ways to impro...


Ewansiha, S.U.Kamara, A.Chiezey, U.F.Onyibe, J.E.[Response of cowpea to sowing date and maize plant population in a Sudan savannah environment]Response of cowpea to sowing date and maize plant population in a Sudan savannah environment

Cereal-cowpea intercrops have a record of low yields in the West African savannah. Two potential ways to improve the yield of cowpea (Vigna unguiculata Walp), when grown with maize (Zea mays L.), is by manipulating the plant population of maize and using adapted cowpea cultivars. A field trial wa...


Ewansiha, S.U.Kamara, A.Chiezey, U.F.Onyibe, J.E.[Performance of cowpea grown as an intercrop with maize of different populations]Performance of cowpea grown as an intercrop with maize of different populations

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