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Abstract A field experiment was conducted during 2014 and 2016 rainy season at Tudun Wada, Kano and Shika, Zaria in the Northern Guinea Savanna of Nigeria in order to study the physiological responses of maize hybrids under low nitrogen. The experiment consisted of two nitrogen levels 0 and 120 N...


Abubakar, A.W.Manga, A.A.Kamara, A.Tofa, A.I.[Physiological evaluations of maize hybrids under low nitrogen]Physiological evaluations of maize hybrids under low nitrogen

Full-sib families derived from Pool 16 DT, a tropical maize ( Zea mays L.) population, were evaluated in the 1995/96 and 1997/98 dry seasons, using two sites each season in Côte d’Ivoire. In all sites, the crop was irrigated from planting to about 2 weeks before anthesis, irrigation was discontin...


Badu-Apraku, B.Fakorede, M.A.B.Menkir, A.Kamara, A.Dapaah, S.[Screening maize for drought tolerance in the Guinea savanna of West and Central Africa]Screening maize for drought tolerance in the Guinea savanna of West and Central Africa

Maize (Zea mays L.) is an important food crop in the Guinea savannas of Nigeria. Despite its high production potential, drought, Striga hermonthica parasitsim, and poor soil fertility particularly nitrogen deficiency limit maize production in the savannas. Breeders at IITA have developed drought-...


Kamara, A.Ewansiha, S.U.Menkir, A.[Assessment of nitrogen uptake and utilization in drought tolerant and Striga resistant tropical maize varieties]Assessment of nitrogen uptake and utilization in drought tolerant and Striga resistant tropical maize varieties

High cost of nitrogen fertilizer coupled with frequent occurrence of drought has forced many maize (Zea mays L.) growers in sub-Saharan Africa to either apply fertilizer below optimal dose or no fertilizer to their maize fields. The objectives of this study were to (i) compare the performance of ...


Meseka, S.K.Menkir, A.Elhassan, A.Ibrahim, S.S.Ajala, S.Kamara, A.[Responses of maize hybrids developed for drought tolerance to low soil nitrogen]Responses of maize hybrids developed for drought tolerance to low soil nitrogen

The Guinea savannas of Nigeria have a high potential for the production of maize because of favourable environmental conditions. Despite this high potential, the yields obtained in farmers' fields are still very low. This is due to soil degradation and nutrient depletion arising from intensificat...


Kamara, A.Menkir, A.Ajala, S.O.Kureh, I.[Performance of diverse maize genotypes under nitrogen deficiency stress in the northern Guinea Savanna of Nigeria]Performance of diverse maize genotypes under nitrogen deficiency stress in the northern Guinea Savanna of Nigeria

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