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Journal Article 2000

Autor: Kamara, A.Y. Akobundu, I.O. Jutzi, S.C.

The use of agroforestry systems in which pruning from trees is used to mulch the companion crops is an important area of research in the tropics. However, previous studies mostly evaluated the contribution of mulch to soil improvement and rarely examined the effect of mulch on weeds. Field experi...

Enlace original: https://cgspace.cgiar.org/handle/10568/99915

Investigación en Agricultura
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Kamara, A.Y. ,  Akobundu, I.O. ,  Jutzi, S.C. ,  [Selective control of weeds in an arable crop by mulches from some multipurpose trees in southwestern Nigeria] ,  Selective control of weeds in an arable crop by mulches from some multipurpose trees in southwestern Nigeria
Journal Article 2000

Autor: Kamara, A.Y. Akobundu, I.O. Sanginga, N. Jutzi, S.C.

Leaf extracts and mulch from 14 multipurpose trees were used to test their effects on maize germination, growth and yield. Maize germination was significantly reduced by leaf extracts of all species with increasing extract concentration. The most drastic reductions were caused by Gliricidia sepiu...

Enlace original: https://cgspace.cgiar.org/handle/10568/99918

Investigación en Agricultura
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Kamara, A.Y. ,  Akobundu, I.O. ,  Sanginga, N. ,  Jutzi, S.C. ,  [The effects of mulch from selected multipurpose trees on nitrogen nutrition, growth and yield of maize (Zea mays)] ,  The effects of mulch from selected multipurpose trees on nitrogen nutrition, growth and yield of maize (Zea mays)
Manual 2018-11

Autor: Pindar, H. Kamai, N. Kanampiu, F. Kamara, A.Y.
Enlace original: https://cgspace.cgiar.org/handle/10568/102453

Investigación en Agricultura
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Pindar, H. ,  Kamai, N. ,  Kanampiu, F. ,  Kamara, A.Y. ,  [Handbook on value addition on grain legume processing of soybean, cowpea, and groundnut for smallholder farmers in Borno State] ,  Handbook on value addition on grain legume processing of soybean, cowpea, and groundnut for smallholder farmers in Borno State
Report 2012

Autor: Ellis-Jones, J. Larbi, Asamoah Hoeschle-Zeledon, Irmgard Dugje, I.Y. Teli, I.A. Buah, S.S.J. Kanton, R.A.L. Kombiok, M.J. Kamara, A.Y. Gyamfi, I.
Enlace original: https://cgspace.cgiar.org/handle/10568/27937

Investigación en Agricultura
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Ellis-Jones, J. ,  Larbi, Asamoah ,  Hoeschle-Zeledon, Irmgard ,  Dugje, I.Y. ,  Teli, I.A. ,  Buah, S.S.J. ,  Kanton, R.A.L. ,  Kombiok, M.J. ,  Kamara, A.Y. ,  Gyamfi, I. ,  [Sustainable intensification of cereal-based farming systems in Ghana' s Guinea Savanna: Constraints and opportunities identified with local communities] ,  Sustainable intensification of cereal-based farming systems in Ghana' s Guinea Savanna: Constraints and opportunities identified with local communities
Report 2011

Autor: Abalu, G.I. Abdoulaye, Tahirou Kamara, A.Y. Adekunle, A.
Enlace original: https://cgspace.cgiar.org/handle/10568/88140

Investigación en Agricultura
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Abalu, G.I. ,  Abdoulaye, Tahirou ,  Kamara, A.Y. ,  Adekunle, A. ,  [Study of the dynamics of resource use and identification of policy gaps in agricultural production, processing, and marketing in the Sudan Savannas of Northern Nigeria] ,  Study of the dynamics of resource use and identification of policy gaps in agricultural production, processing, and marketing in the Sudan Savannas of Northern Nigeria
Conference Paper 2007

Autor: Kamara, A.Y. Menkir, A. Omoigui, L.O. Kureh, I.

The Guinea savannas of Nigeria have a high potential for the production of maize because of favorable environmental conditions. Despite this high potential, the yields obtained under farmers' conditions are still very low. Low soil fertility and intermittent drought are among major constraints li...

Enlace original: https://cgspace.cgiar.org/handle/10568/91287

Investigación en Agricultura
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Kamara, A.Y. ,  Menkir, A. ,  Omoigui, L.O. ,  Kureh, I. ,  [Potential of drought-tolerant maize varieties in nitrogen-deficient soils of the Guinea savannas] ,  Potential of drought-tolerant maize varieties in nitrogen-deficient soils of the Guinea savannas
Journal Article 2017-08

Autor: Omoigui, L.O. Ekeuro, G.C. Kamara, A.Y. Bello, L.L. Timko, M.P. Ogunwolu, G.O.

This study sought to identify new sources of resistance to cowpea aphids (CPA) using molecular and phenotypic approaches and the inheritance pattern. Sixty cowpea genotypes were phenotyped for resistance to CPA using insect proof cages and further confirmed using markers linked to aphid resistanc...

Enlace original: https://cgspace.cgiar.org/handle/10568/83151

Investigación en Agricultura
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Omoigui, L.O. ,  Ekeuro, G.C. ,  Kamara, A.Y. ,  Bello, L.L. ,  Timko, M.P. ,  Ogunwolu, G.O. ,  [New sources of aphids [Aphis craccivora (Koch)] resistance in cowpea germplasm using phenotypic and molecular marker approaches] ,  New sources of aphids [Aphis craccivora (Koch)] resistance in cowpea germplasm using phenotypic and molecular marker approaches
Conference Paper 2007

Autor: Kureh, I Kamara, A.Y.

On-farm trials were conducted in 2001 to 2003 in the northern Guinea savanna of Nigeria to evaluate integrated Striga hermonthica control methods under farmer-managed conditions. These included intercropping a Striga-resistant maize variety with cowpea (Vigna unguiculata L.) and also cropping thi...

Enlace original: https://cgspace.cgiar.org/handle/10568/91207

Investigación en Agricultura
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Kureh, I ,  Kamara, A.Y. ,  [Effects of sole cropping, intercropping and rotation with legume trap-crops on striga control and maize grain yield in farmers' fields in the Guinea savannas] ,  Effects of sole cropping, intercropping and rotation with legume trap-crops on striga control and maize grain yield in farmers' fields in the Guinea savannas
Journal Article 2014

Autor: Ekeleme, F. Jibrin, J. M. Kamara, A.Y. Oluoch, M. Samndi, A.M. Fagge, A. A.

A study was conducted in Kano and Bauchi States in the dry Savanna of northern Nigeria to determine Striga incidence and infestation and relate these to soil fertility status and yield of maize. A three-stage sampling technique was used to select communities and fields in targeted Local Governmen...

Enlace original: https://cgspace.cgiar.org/handle/10568/68410

Investigación en Agricultura
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Ekeleme, F. ,  Jibrin, J. M. ,  Kamara, A.Y. ,  Oluoch, M. ,  Samndi, A.M. ,  Fagge, A. A. ,  [Assessment of the relationship between soil properties, Striga hermonthica infestation and the on-farm yields of maize in the dry Savannas of Nigeria] ,  Assessment of the relationship between soil properties, Striga hermonthica infestation and the on-farm yields of maize in the dry Savannas of Nigeria
Journal Article 2011-09

Autor: Kamara, A.Y. Tefera, H. Ewansiha, S.U. Ajeigbe, Hakeem A. Okechukwu, R.U. Boukar, O. Omoigui, L.O.

A field study was conducted to determine the rate of genetic improvement in grain and fodder yields and associated agronomic and physiological changes of determinate and semideterminate cowpea [Vigna unguiculata (L.) Walp.] genotypes developed in the Nigerian Sudan savannas in 1974 to 2004. Resul...

Enlace original: https://cgspace.cgiar.org/handle/10568/82675

Investigación en Agricultura
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Kamara, A.Y. ,  Tefera, H. ,  Ewansiha, S.U. ,  Ajeigbe, Hakeem A. ,  Okechukwu, R.U. ,  Boukar, O. ,  Omoigui, L.O. ,  [Genetic gain in yield and agronomic characteristics of cowpea cultivars developed in the Sudan savannas of Nigeria over the past three decades] ,  Genetic gain in yield and agronomic characteristics of cowpea cultivars developed in the Sudan savannas of Nigeria over the past three decades

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