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A trial was conducted in minjibir in the sudan savanna zone of Nigeria to evaluate the performance of common grain leguminous crops in the area. Significant differences are found among and within the grain legumes for days to flowering, maturity and ripening. Cowpea had significantly fewer days t...


Ajeigbe, Hakeem A.Kamara, A.Chikoye, D.[Comparative performance of common grain legumes in the Sudan savanna zone of Nigeria]Comparative performance of common grain legumes in the Sudan savanna zone of Nigeria
Kamara, A.Jutzi, S.C.Akobundu, I.Chikoye, D.[The effect of mulch from three multipurpose trees on weed composition and biomass in maize]The effect of mulch from three multipurpose trees on weed composition and biomass in maize

The effects of nitrogen (N) rate and weed interference on the grain yield of four corn genotypes were investigated in 2002 and 2003 at Ikenne (7u389N, 3u429E), Shika (11u119N, 7u389E), and Samaru (10u249N, 7u429E) in Nigeria. Nitrogen (N) at 0, 30, 60, and 90 kg N ha21 were the main plot treatmen...


Chikoye, D.Lum, A.F.Abaidoo, R.C.Menkir, A.Kamara, A.Ekeleme, F.Sanginga, Nteranya[Response of corn genotypes to weed interference and nitrogen in Nigeria]Response of corn genotypes to weed interference and nitrogen in Nigeria

Maize is an important food crop in the Guinea savannas of Nigeria where it is gradually replacing the traditional cereal crops, such as sorghum and millet because of its high productivity. Despite its high yield potential, maize production is faced with numerous constraints. One of these Is droug...


Kamara, A.Kureh, I.Menkir, A.Kartung, P.Tarfa, B.Amaza, P.[Participatory onfarm evaluation of the performance of droughttolerant maize varieties in the Guinea Savannas of Nigeria]Participatory onfarm evaluation of the performance of droughttolerant maize varieties in the Guinea Savannas of Nigeria

In the dry savannas of West and Central Africa, where low soil fertility, unpredictable rainfall, weed competition and recurrent drought are major constraints to maize production, the development of tropical maize genotypes with high and stable yields under drought and low-nitrogen condition is v...


Azeez, J.Chikoye, D.Kamara, A.Menkir, A.Adetunji, M.[Effect of drought and weed management on maize genotypes and the tensiometric soil water content of an eutric nitisol in south Western Nigeria]Effect of drought and weed management on maize genotypes and the tensiometric soil water content of an eutric nitisol in south Western Nigeria

Field studies were conducted in 1995 and 1996 in the northern Guinea savanna of Nigeria to determine the response of 22 soybean genotypes to Alectra infestation. Significant differences were observed amongst soybean genotypes in number of Alectra shoots that emerged at 9 and 10 weeks after sowing...


Kureh, I.Alabi, S.Kamara, A.[Response of soybean genotypes to Alectra vogelii infestation under natural field conditions]Response of soybean genotypes to Alectra vogelii infestation under natural field conditions
Defoer, T.Kamara, A.De Groote, H.[Gender and variety selection: Farmers assessment of local corn varieties in southern Mali]Gender and variety selection: Farmers assessment of local corn varieties in southern Mali

Cowpea (Vigna unguiculata [L.] Walp.) is the most important grain legume in the dry savannas of West Africa, however grain and fodder yields are low (averaging 25 to 300 kg and 450 to 800 kg grain and fodder/ha, respectively) due to biotic and abiotic constraints. Improved varieties and cropping ...


Ajeigbe, Hakeem A.Singh, B.Kamara, A.Chikoye, D.Adamu, R.S.Saidou, A.K.Adeosun, J.O.[Improving the productivities of cowpeacereal systems in the savannas of West Africa through dissemination of improved varieties and cropping systems]Improving the productivities of cowpeacereal systems in the savannas of West Africa through dissemination of improved varieties and cropping systems

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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