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Striga hermonthica (L) Moench, a parasitic weed species, is a major constraint to sorghum production in the savanna zones of north-eastern Nigeria. The aim of this study was to assess the influence of farmer practices on Striga infestation of sorghum fields in the region. Random sampling techniqu...


Dugje, I.Y.Kamara, A.Y.Omoigui, L.O.[Assessment of farmers' crop management practices influencing Striga hermonthiea infestation and grain yield of sorghum (Sorghum hieolor)]Assessment of farmers' crop management practices influencing Striga hermonthiea infestation and grain yield of sorghum (Sorghum hieolor)

Striga gesnerioides is considered a major constraint to improving cowpea productivity in the semi arid region of Africa. A field survey was conducted in a farmer participatory process in 100 cowpea fields to determine farmers’ crop production practices that influence infestation by the parasitic ...


Dugje, I.Y.Kamara, A.Y.Ekeleme, F.[Evaluation of farmers crop production practices that determine Striga gesnerioides infestation of cowpea fields in Nigerian savannas]Evaluation of farmers crop production practices that determine Striga gesnerioides infestation of cowpea fields in Nigerian savannas

Striga hermonthica parasitism is a major constraint limiting Sorghum productivity in the Nigerian savanna. Field experiments were conducted in 2005 and 2006 rainy seasons to evaluate the response of sorghum varieties to striga infestation. A randomised complete block design was used to screen 12 ...


Dugje, I.Y.Ekeleme, F.Kamara, A.Y.Menkir, A.Chikoye, D.Omoigui, L.O.[Field evaluation of sorghum varieties to Striga hermonthica infestation in north eastern Nigerian savannas]Field evaluation of sorghum varieties to Striga hermonthica infestation in north eastern Nigerian savannas

The cultivation of soybean is increasing in the savannas of Nigeria due to its widespread use in the food and feed industry. Production is, however, constrained by low soil phosphorus (P) levels in northeast Nigeria. This study evaluated four soybean varieties for their response to three rates of...


Kamara, A.Y.Abaidoo, R.C.Kwari, J.Omoigui, L.O.[Influence of phosphorus application on growth and yield of soybean genotypes in the tropical savannas of northeast Nigeria]Influence of phosphorus application on growth and yield of soybean genotypes in the tropical savannas of northeast Nigeria

The goal of this research was to evaluate diverse cowpea genotypes developed over the past 4 decades in the Nigerian Sudan Savannas for their agronomic performance and to identify groups of cultivars with similar quantitative characters. Characterization would facilitate the efficient synthesis o...


Kamara, A.Y.Ewansiha, S.U.Ajeigbe, Hakeem A.Omoigui, L.O.Tofa, A.I.Karim, K.Y.[Agronomic evaluation of cowpea cultivars developed for the West African Savannas]Agronomic evaluation of cowpea cultivars developed for the West African Savannas
Dugje, I.Y.Kamara, A.Y.Kwari, J.D.[Analyses of soil physico chemical properties determining Striga hermonthica infestations and grain yield of maize (Zea mays L.) in nigerian Guinea and Sudan savannas]Analyses of soil physico chemical properties determining Striga hermonthica infestations and grain yield of maize (Zea mays L.) in nigerian Guinea and Sudan savannas

Soybean can contribute to soil N, which may partly be used to improve maize production in northeast Nigeria. However, the efficiency of soybean to fix N can be limited by soil P deficiency. This study evaluated the effect of P application and soybean cultivars on dry matter and grain yield of sub...


Kamara, A.Y.Kwari, J.Ekeleme, F.Omoigui, L.O.Abaidoo, R.C.[Effect of phosphorus application and soybean cultivar on grain and dry matter yield of subsequent maize in the tropical savannas of north eastern Nigeria]Effect of phosphorus application and soybean cultivar on grain and dry matter yield of subsequent maize in the tropical savannas of north eastern Nigeria

Groundnut production in northeast Nigeria is constrained by low level of soil phosphorus. This study evaluated four groundnut varieties for their response to P fertilization in two Nigerian agro-ecological zones (Sudan and Northern Guinea savanna) during 2005 and 2006. The experimental design was...


Kamara, A.Y.Ekeleme, F.Kwari, J.D.Omoigui, L.O.Chikoye, D.[Phosphorus effects on growth and yield of groundnut varieties in the tropical savannas of northeast Nigeria]Phosphorus effects on growth and yield of groundnut varieties in the tropical savannas of northeast Nigeria

Field studies were conducted in northeast Nigeria to evaluate the response ofearly and late-maturing maize varieties infested with natural populations ofStrigato different rates of nitrogen (N) fertilizer. There were significant reductions in thenumber of emergedStrigaat 120 kg N ha71for the earl...


Kamara, A.Y.Ekeleme, F.Omoigui, L.O.Menkir, A.Chikoye, D.Dugje, I.Y.Abdoulaye, TahirouAmaza, P.[Influence of nitrogen fertilization on the performance of early and late maturing maize varieties under natural infestation with Striga hermonthica (Del.) Benth]Influence of nitrogen fertilization on the performance of early and late maturing maize varieties under natural infestation with Striga hermonthica (Del.) Benth

The aim of this study was to assess the influence of farmers` crop management practices on Striga infestation and maize grain yield. Sixty farmers` fields were randomly selected in nine communities across three savanna zones. About 35% of the farmers had cultivated their fields for over 10 years,...


Dugje, I.Y.Kamara, A.Y.Omoigui, L.O.[Influence of farmers crop managemnt practices on Striga hermonthica infestation and grain yield of maize (Zea mays L.) in the savanna zones of northeast Nigeria]Influence of farmers crop managemnt practices on Striga hermonthica infestation and grain yield of maize (Zea mays L.) in the savanna zones of northeast Nigeria

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