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This study evaluated the response of four rain-fed lowland New Rice for Africa (NERICA) varieties (NERICA-L-12, NERICA-L-41, NERICA-L-42 and NERICA-L-56) and a popularly grown Oryza sativa (ITA 150) to nitrogen (0, 30, and 100 kg N ha-1). The interactions between nitrogen and variety were not sig...


Kamara, A.Y.Ekeleme, F.Omoigui, L.O.Chikoye, D.[Influence of nitrogen fertilization on yield and yield components of rainfed lowland NERIC rice in the northern Guinea savanna of Nigeria]Influence of nitrogen fertilization on yield and yield components of rainfed lowland NERIC rice in the northern Guinea savanna of Nigeria

Abele, S.Koper, E.International Institute of Tropical AgricultureAsiedu, RobertBramel-Cox, P.J.Chikoye, D.López, K.[R4D Review 2]R4D Review 2

Rice production by smallholder farmers in the savannas of Nigeria is constrained by weed competition. A field study was conducted to assess the effect of weed competition on the performance of upland rice varieties in 2005 and 2006 in the northern Guinea and Sudan savannas of Nigeria. The experim...


Ekeleme, F.Kamara, A.Y.Oikeh, S.O.Chikoye, D.Omoigui, L.O.[Effect of weed competition on upland rice production in north-eastern Nigeria]Effect of weed competition on upland rice production in north-eastern Nigeria

In the dry savannas of West Africa, cultivation of upland rice (Oryza spp.) under rain-fed conditions is expanding due to the introduction of the New Rice for Africa (NERICA; WARDA, Bouake, Cote d'Ivoire) but appropriate N recommendations for these new cultivars are lacking. The present study eva...


Kamara, A.Y.Ekeleme, F.Omoigui, L.O.Oikeh, S.O.Chikoye, D.Tegbaru, A.[Response of upland rice cultivars to nitrogen fertilizer in the savannas of Nigeria]Response of upland rice cultivars to nitrogen fertilizer in the savannas of Nigeria

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