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Journal Article 2016

Autor: Mignouna, Djana B. Abdoulaye, Tahirou Akinola, Adebayo A. Kamara, A. Oluoch, M.

Alleviating poverty and reducing food insecurity have received close critical attention from many researchers in sub-Saharan Africa. Farmers' participation in agricultural markets has been seen as a potent strategy for improving their livelihoods. This paper applies econometrics to farm survey da...

Enlace original: https://cgspace.cgiar.org/handle/10568/76355

Investigación en Agricultura
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Mignouna, Djana B. ,  Abdoulaye, Tahirou ,  Akinola, Adebayo A. ,  Kamara, A. ,  Oluoch, M. ,  [Understanding market participation choices and decisions of maize and cowpea farmers in northern Nigeria] ,  Understanding market participation choices and decisions of maize and cowpea farmers in northern Nigeria
Journal Article 2012-10

Autor: Kamara, A. Ewansiha, S.U. Ajeigbe, Hakeem A. Omoigui, L.O.

Insect pests are major constraint to cowpea production in northern Nigeria causing yield losses up to 70%. Several cowpea varieties have been developed and delivered to farmers by IITA over the past four decades. These varieties have varying degrees of resistance to insect pest attacks. A field s...

Enlace original: https://cgspace.cgiar.org/handle/10568/79816

Investigación en Agricultura
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Kamara, A. ,  Ewansiha, S.U. ,  Ajeigbe, Hakeem A. ,  Omoigui, L.O. ,  [Response of old and new cowpea varieties to insecticide spray regimes in the Sudan savanna of Nigeria] ,  Response of old and new cowpea varieties to insecticide spray regimes in the Sudan savanna of Nigeria
Journal Article 2017

Autor: Ugbabe, O.O. Abdoulaye, Tahirou Kamara, A. Mbaval, J. Oyinbo, O.

The International Institute of Tropical Agriculture and collaborating partners have been introducing and disseminating short season soybean varieties among farm households in the Sudan savannas of Northern Nigeria since 2008. Yet, there is no empirical information on the profitability and technic...

Enlace original: https://cgspace.cgiar.org/handle/10568/89022

Investigación en Agricultura
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Ugbabe, O.O. ,  Abdoulaye, Tahirou ,  Kamara, A. ,  Mbaval, J. ,  Oyinbo, O. ,  [Profitability and technical efficiency of soybean production in northern Nigeria] ,  Profitability and technical efficiency of soybean production in northern Nigeria
Journal Article 2010

Autor: Olarinde, L.O. Abdoulaye, Tahirou Kamara, A. Binam, J. Adekunle, A.

This paper analysed the baseline productive efficiencies of the cereal–legume farmers in the Sudan Savanna of Nigeria. The paper also investigated the factors that affected the technical efficiency of the sampled farmers. Baseline data collected on cereal-legume farmers who belong to four Innovat...

Enlace original: https://cgspace.cgiar.org/handle/10568/88005

Investigación en Agricultura
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Olarinde, L.O. ,  Abdoulaye, Tahirou ,  Kamara, A. ,  Binam, J. ,  Adekunle, A. ,  [Analysing the prospect of the IAR4D's innovation platforms in improving the productive efficiencies of cereal-legume farmers in the Sudan Savanna of Nigeria] ,  Analysing the prospect of the IAR4D's innovation platforms in improving the productive efficiencies of cereal-legume farmers in the Sudan Savanna of Nigeria
Journal Article 2019-07

Autor: Oyinbo, O. Chamberlin, Jordan Vanlauwe, Bernard Vranken, L. Kamara, A. Craufurd, Peter Q. Maertens, M.

Agricultural extension to improve yields of staple food crops and close the yield gap in Sub-Saharan Africa often entails general recommendations on soil fertility management that are distributed to farmers in a large growing area. Site-specific extension recommendations that are better tailored ...

Enlace original: https://cgspace.cgiar.org/handle/10568/99470

Investigación en Agricultura
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Oyinbo, O. ,  Chamberlin, Jordan ,  Vanlauwe, Bernard ,  Vranken, L. ,  Kamara, A. ,  Craufurd, Peter Q. ,  Maertens, M. ,  [Farmers' preferences for high-input agriculture supported by site-specific extension services: evidence from a choice experiment in Nigeria] ,  Farmers' preferences for high-input agriculture supported by site-specific extension services: evidence from a choice experiment in Nigeria
Journal Article 2014-10-10

Autor: Ewansiha, S.U. Udensi, U.E. Kamara, A.

Field study was conducted during the rainy seasons (July-November) of 2007, 2008, 2009 and 2010 at the Research Farm of the International Institute of Tropical Agriculture (IITA) Minjibir, Kano State, Nigeria; to compare responses of six cowpea varieties to tillage. The treatments consisted of ti...

Enlace original: https://cgspace.cgiar.org/handle/10568/75777

Investigación en Agricultura
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Ewansiha, S.U. ,  Udensi, U.E. ,  Kamara, A. ,  [Effect of tillage on the growth and yield of cowpea varieties in Sudan savanna agroecology of Northern Nigeria] ,  Effect of tillage on the growth and yield of cowpea varieties in Sudan savanna agroecology of Northern Nigeria
Journal Article 2019-05-03

Autor: Omoigui, L. Arrey, M.O. Kamara, A. Danmaigona, C.C. Ekeruo, G. Timko, M.P.

Cercospora leaf spot (CLS) caused by Pseudocercospora cruenta (Sacc.) is an important disease affecting cowpea production in Nigeria. Understanding the genetic nature of CLS is an important step in developing an effective breeding strategy. This study investigated the inheritance of CLS disease i...

Enlace original: https://cgspace.cgiar.org/handle/10568/101336

Investigación en Agricultura
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Omoigui, L. ,  Arrey, M.O. ,  Kamara, A. ,  Danmaigona, C.C. ,  Ekeruo, G. ,  Timko, M.P. ,  [Inheritance of resistance to Cercospora leaf spot disease of cowpea [Vigna unguiculata (L.) Walp]] ,  Inheritance of resistance to Cercospora leaf spot disease of cowpea [Vigna unguiculata (L.) Walp]
Book Chapter 2004

Autor: Kamara, A. Kling, J. Ajala, S. Menkir, A.

Poor soil fertility and recurrent drought are major constriants to maize production in the West Africa savanna. The development of maize cultivars with superior rooting system to absorb nitrogen and water efficiently from the soil is desirable. However, direct measurement of root characteristics ...

Enlace original: https://cgspace.cgiar.org/handle/10568/103353

Investigación en Agricultura
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Kamara, A. ,  Kling, J. ,  Ajala, S. ,  Menkir, A. ,  [Vertical rootpulling resistance in maize is related to nitrogen uptake and yield] ,  Vertical rootpulling resistance in maize is related to nitrogen uptake and yield
Journal Article 2007

Autor: Kamara, A. Menkir, A. Chikoye, D. Omoigui, L.O. Ekeleme, F.

Striga hermonthica (Del.) Benth. is a parasitic weed that attacks maize, sorghum, and other staple cereal crops in the West African savannas. It is widely believed that Striga thrives best in areas of low soil fertility. This study was conducted to determine the effects of nitrogen (N) fertilizat...

Enlace original: https://cgspace.cgiar.org/handle/10568/91463

Investigación en Agricultura
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Kamara, A. ,  Menkir, A. ,  Chikoye, D. ,  Omoigui, L.O. ,  Ekeleme, F. ,  [Cultivar and nitrogen fertilization effects on Striga infestation and grain yield of early maturing tropical maize] ,  Cultivar and nitrogen fertilization effects on Striga infestation and grain yield of early maturing tropical maize
Journal Article 2006

Autor: Kamara, A. Menkir, A. Kureh, I. Omoigui, L. Ekeleme, F.

Genetic improvement of maize hybrids for superior stress tolerance has contributed to increased yield by allowing hybrids to be planted at higher plant populations. This study was conducted to evaluate the response of maize hybrids developed in the Nigerian Savanna from different eras to high pla...

Enlace original: https://cgspace.cgiar.org/handle/10568/100057

Investigación en Agricultura
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Kamara, A. ,  Menkir, A. ,  Kureh, I. ,  Omoigui, L. ,  Ekeleme, F. ,  [Performance of old and new maize hybrids at high plant densities in the tropical Guinea Savanna] ,  Performance of old and new maize hybrids at high plant densities in the tropical Guinea Savanna

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