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Journal Article 2013

Autor: Ewansiha, S.U. Kamara, A. Onyibe, J.E.

A field trial was conducted during the rainy seasons of 2008 and 2009 at Samaru in northern Guinea savannah of Nigeria to determine the performance of semi-determinate and indeterminate cowpea cultivars intercropped with extra early, early and late maize cultivars. The trial was laid out in a ran...

Enlace original: https://cgspace.cgiar.org/handle/10568/76424

Investigación en Agricultura
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Ewansiha, S.U. ,  Kamara, A. ,  Onyibe, J.E. ,  [Performance of cowpea cultivars when grown as an intercrop with maize of contrasting maturities] ,  Performance of cowpea cultivars when grown as an intercrop with maize of contrasting maturities
Journal Article 2013-04

Autor: Kamara, A. Ewansiha, S.U. Menkir, A.

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-...

Enlace original: https://cgspace.cgiar.org/handle/10568/76042

Investigación en Agricultura
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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
Journal Article 2014

Autor: Ayanwale, A.B. Abdoulaye, Tahirou Kamara, A. Adekunle, A.A. Fatunbi, O. Ayedun, B. Akinola, Adebayo A.

In order to facilitate a scientific assessment of the viability of the IAR4D concept, this paper analyzed the factors affecting adoption of agricultural technologies as well as determined the profitability of cereals and legumes in the Sudan savanna of Nigeria. Data were obtained from the baselin...

Enlace original: https://cgspace.cgiar.org/handle/10568/76094

Investigación en Agricultura
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Ayanwale, A.B. ,  Abdoulaye, Tahirou ,  Kamara, A. ,  Adekunle, A.A. ,  Fatunbi, O. ,  Ayedun, B. ,  Akinola, Adebayo A. ,  [Determinants of adoption of agricultural innovations and profitability of cereals and legumes in the Sudan savanna of Nigeria] ,  Determinants of adoption of agricultural innovations and profitability of cereals and legumes in the Sudan savanna of Nigeria
Journal Article 2014

Autor: Ewansiha, S.U. Kamara, A. Chiezey, U.F. Onyibe, J.E.

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...

Enlace original: https://cgspace.cgiar.org/handle/10568/75940

Investigación en Agricultura
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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
Journal Article 2019-05-16

Autor: Gbegbelegbe, S. Alene, A. Kamara, A. Wiebe, K. Manyong, Victor M. Abdoulaye, Tahirou Mkandawire, P.

This study undertakes an ex‐ante evaluation of the effects of alternative technology and policy options on soybean supply and demand in sub‐Saharan Africa (SSA) to 2050. Current soybean consumption in SSA is dominated by cooking oil followed by soybean cake used as animal feed. Due to weak proces...

Enlace original: https://cgspace.cgiar.org/handle/10568/102121

Investigación en Agricultura
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Gbegbelegbe, S. ,  Alene, A. ,  Kamara, A. ,  Wiebe, K. ,  Manyong, Victor M. ,  Abdoulaye, Tahirou ,  Mkandawire, P. ,  [Ex‐ante evaluation of promising soybean innovations for sub‐Saharan Africa] ,  Ex‐ante evaluation of promising soybean innovations for sub‐Saharan Africa
Journal Article 2018-07-02

Autor: Lado, A. Hussaini, M.A. Kamara, A.

Cultural and biological control measures have failed to provide satisfactory management of Striga gesnerioides, a major biotic constraint to cowpea production in sub-Saharan Africa. Field trials were conducted to evaluate the efficacy of imazaquin seed treatment (at 0.00, 0.06, and 0.24 kg a.i. h...

Enlace original: https://cgspace.cgiar.org/handle/10568/96124

Investigación en Agricultura
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Lado, A. ,  Hussaini, M.A. ,  Kamara, A. ,  [Effectiveness of imazaquin seed treatment on Striga gesnerioides control and growth traits of seven cowpea genotypes] ,  Effectiveness of imazaquin seed treatment on Striga gesnerioides control and growth traits of seven cowpea genotypes
Journal Article 2018-02

Autor: Shehu, B.M. Merckx, R. Jibrin, J.M. Kamara, A. Rurinda, J.

Diagnostic on-farm nutrient omission trials were conducted over two cropping seasons (2015 and 2016) to assess soil nutrients related constraints to maize yield in the northern Nigerian savanna agro-ecological zone and to quantify their variability. Two sets of trials were conducted side by side,...

Enlace original: https://cgspace.cgiar.org/handle/10568/96564

Investigación en Agricultura
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Shehu, B.M. ,  Merckx, R. ,  Jibrin, J.M. ,  Kamara, A. ,  Rurinda, J. ,  [Quantifying variability in maize yield response to nutrient applications in the northern Nigeria Savanna] ,  Quantifying variability in maize yield response to nutrient applications in the northern Nigeria Savanna
Journal Article 2006

Autor: Meseka, S.K. Menkir, A. Elhassan, A. Ibrahim, S.S. Ajala, S. Kamara, A.

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 ...

Enlace original: https://cgspace.cgiar.org/handle/10568/100069

Investigación en Agricultura
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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
Journal Article 2006

Autor: Omoigui, L. Alabi, S. Ado, S. Ajala, S. Kamara, A.

Nitrogen stress is a major nutrient constraint to maize productivity in the Northern Guinea savanna of West and Central Africa. Thus, improved maize germplasm tolerant to low N with the capacity to utilize N more efficiently together with improved agronomic practices appear to be the primary cont...

Enlace original: https://cgspace.cgiar.org/handle/10568/100068

Investigación en Agricultura
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Omoigui, L. ,  Alabi, S. ,  Ado, S. ,  Ajala, S. ,  Kamara, A. ,  [Genetic gains from cycles of fullsib recurrent selection for low nitrogen tolerance in a tropical maize population] ,  Genetic gains from cycles of fullsib recurrent selection for low nitrogen tolerance in a tropical maize population
Conference Paper 2002

Autor: Ortiz, R. Ekanayake, I.J. Mahalakshmi, V. Kamara, A. Menkir, A. Nigan, S.N. Singh, B.B. Saxena, N.P.
Enlace original: https://cgspace.cgiar.org/handle/10568/100004

Investigación en Agricultura
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Ortiz, R. ,  Ekanayake, I.J. ,  Mahalakshmi, V. ,  Kamara, A. ,  Menkir, A. ,  Nigan, S.N. ,  Singh, B.B. ,  Saxena, N.P. ,  [Development of drought resistant and water stress tolerant crops through traditional breeding] ,  Development of drought resistant and water stress tolerant crops through traditional breeding

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