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| Guide to soybean production in northern Nigeria, Omoigui, L., Kamara, A., Kamai, N., Dugje, I.*, Ekeleme, F., Kumar, P. L., Ademulegun, T. and Solomon, R., Revised edition, 2020. |
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| Maize-soybean intercropping effect on yield productivity, weed control and diversity in northern Ghana, Berdjour, A., Dugje, I.*, Dzomeku, I.* and Rahman, N. A., in: Weed Biology and Management, volume 20, number 2, pages 69-81, ISSN 1444-6162, 2020. [DOI] |
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| Direct estimation of maize leaf area index as influenced by organic and inorganic fertilizer rates in Guinea Savanna, Berdjour, A., Dugje, I.*, Rahman, N. A., Odoom, D. A.*, Kamara, A. and Ajala, S., in: Journal of Agricultural Science, volume 12, number 6, pages 66-75, ISSN 1916-9752, 2020. [DOI] |
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| Sustainable intensification of cereal-based farming systems in Ghana's Guinea savanna: constraints and opportunities identified with local communities, Ellis-Jones, J., Larbi, A., Hoeschle-Zeledon, I., Dugje, I.*, Teli, I. A.*, Buah, S. S.*, Kanton, R.*, Kombiok, J. M.*, Kamara, A. and Gyamfi, I., 2012. |
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| Response of exotic sorghum (Sorghum bicolor [L.] Moench) cultivars to planting date under natural infestation of Striga hermonthica (Del) Benth. in the Sudan savanna zone of northeast Nigeria, Kamara, A., Ekeleme, F.*, Omoigui, L., Menkir, A., Chikoye, D. and Dugje, I.*, in: Archives of Agronomy and Soil Science, volume 57, number 6, pages 679-692, ISSN 0365-0340, 2011. [DOI] |
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| Effect of sowing date on Striga infestation and yield of sorghum (Sorghum bicolor [L.] Moench) cultivars in the Sudan savanna of northeast Nigeria, Ekeleme, F.*, Kamara, A., Omoigui, L., Chikoye, D., Dugje, I.* and Tegbaru, A., in: African Journal of Agricultural Research, volume 6, number 14, pages 3240-3246, ISSN 1991-637X, 2011. |
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| A participatory evaluation of improved cowpea cultivars in the Guinea and Sudan savanna zones of north east Nigeria, Kamara, A., Ellis-Jones, J., Ekeleme, F.*, Omoigui, L., Amaza, P., Chikoye, D. and Dugje, I.*, in: Archives of Agronomy and Soil Science, volume 56, number 3, pages 355-370, ISSN 0365-0340, 2010. [DOI] |
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| Participatory evaluation of improved cowpea cultivars in the Guinea and Sudan savanna zones of north east Nigeria, Kamara, A., Ellis-Jones, J., Ekeleme, F.*, Omoigui, L., Amaza, P., Chikoye, D. and Dugje, I.*, in: Archives of Agronomy and Soil Science, volume 56, number 3, pages 355-370, ISSN 1476-3567, 2010. |
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| Integrating planting date with insecticide spraying regimes to manage insect pests of cowpea in north-eastern Nigeria, Kamara, A., Ekeleme, F., Omoigui, L., Abdoulaye, T., Amaza, P., Chikoye, D. and Dugje, I.*, in: International Journal of Pest Management, volume 56, number 3, pages 243-253, ISSN 0967-0874, 2010. |
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| Field evaluation of sorghum varieties to Striga hermonthica infestation in north eastern Nigerian savannas, Dugje, I.*, Ekeleme, F.*, Kamara, A., Menkir, A., Chikoye, D. and Omoigui, L., in: Nigerian Journal of Weed Science, volume 23, pages 1-11, ISSN 0794-4950, 2010. |
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| Evaluation of farmers' crop production practices that determine Striga gesnerioides infestation of cowpea fields in Nigerian savannas, Dugje, I.*, Kamara, A. and Ekeleme, F.*, in: Nigerian Journal of Weed Science, volume 23, pages 12-24, ISSN 0794-4950, 2010. |
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| Influence of nitrogen fertilization on the performance of early and late maturing maize varieties under natural infestation with Striga hermonthica (Del.) Benth, Kamara, A., Ekeleme, F., Omoigui, L., Menkir, A., Chikoye, D., Dugje, I.*, Abdoulaye, T. and Amaza, P., in: Archives of Agronomy and Soil Science, volume 55, number 2, pages 125-145, ISSN 0365-0340, 2009. |
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| Farmers' guide to soybean production in northern Nigeria, Dugje, I.*, Omoigui, L., Ekeleme, F., Bandyopadhyay, R., Kumar, P. L. and Kamara, A., International Institute of Tropical Agriculture (IITA), ISBN 978-131-333-1, 2009. |
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| Production du niebe en Afrique de l'Ouest: guide du paysan, Dugje, I.*, Omoigui, L., Ekeleme, F., Kamara, A. and Ajeigbe, H., International Institute of Tropical Agriculture (IITA), 2009. |
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| Farmer's guide to cowpea production in west Africa, Dugje, I.*, Omoigui, L., Ekeleme, F., Kamara, A. and Ajeigbe, H., International Institute of Tropical Agriculture (IITA), ISBN 978-131-332-3, 2009. |
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| A participatory approach to increasing productivity of maize through Striga hermonthica control in Northeast Nigeria, Kamara, A., Ellis-Jones, J., Amaza, P., Omoigui, L., Helsen, J., Dugje, I.*, Kamai, N.*, Menkir, A. and White, R., in: Experimental Agriculture, volume 44, number 3, pages 349-364, ISSN 0014-4797, 2008. [DOI] |
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| Field performance of improved cowpea varieties under conditions of natural infestation by the parasitic weed Striga gesnerioides, Kamara, A., Chikoye, D., Ekeleme, F., Omoigui, L. and Dugje, I.*, in: International Journal of Pest Management, volume 54, number 3, pages 189-195, ISSN 0967-0874, 2008. |
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| Influence of farmers' crop managemnt practices on Striga hermonthica infestation and grain yield of maize (Zea mays L.) in the savanna zones of northeast Nigeria, Dugje, I.*, Kamara, A. and Omoigui, L., in: Journal of Agronomy, volume 7, number 1, pages 33-40, 2008. |
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| Guide to certified seeds production in Borno State, Nigeria, Dugje, I.*, Onyibe, J. E.*, Ekeleme, F., Kamara, A., Tegbaru, A., Omoigui, L. and Bassi, S. A., 2008. |
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| Guide to safe and effective use of pesticides for crop production in Borno State, Nigeria, Dugje, I.*, Ekeleme, F., Kamara, A., Omoigui, L., Tegbaru, A., Teli, I. A.* and Onyibe, J. E.*, As a guide, 2008. |
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| Analyses of soil physico chemical properties determining Striga hermonthica infestations and grain yield of maize (Zea mays L.) in nigerian Guinea and Sudan savannas, Dugje, I.*, Kamara, A. and Kwari, J.*, in: Nigerian Journal of Weed Science, volume 21, pages 23-37, ISSN 0794-4950, 2008. |
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| Influence of insecticide spraying regimes and cultivar on insect pests and yield of cowpea in the dry savannas of north-eastern Nigeria, Kamara, A., Chikoye, D., Omoigui, L. and Dugje, I.*, in: Journal of Food, Agriculture and Environment, volume 5, number 1, pages 154-158, 2007. |
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| Cultivar and insecticide spraying regimes effects on insect pests and grain yield of cowpea in the dry savannas of north-eastern Nigeria, Kamara, A., Chikoye, D., Omoigui, L. and Dugje, I.*, in: African Crop Science Conference Proceedings, pages 179-184, African Crop Science Society, 2007. |
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| Assessment of farmers' crop management practices influencing Striga hermonthica infestation and grain yield of sorghum (Sorghum bicolor), Dugje, I.*, Kamara, A. and Omoigui, L., in: Nigerian Journal of Weed Science, volume 20, pages 25-35, 2007. |
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| Assessment of striga infestation in crop fields in the savanna zones of northeast Nigeria, Dugje, I.*, Kamara, A. and Omoigui, L., in: In demand-driven technologies for sustainable maize production in West and Central Africa, proceedings of the fifth biennial regional maize workshop, pages 271-281, International Institute of Tropical Agriculture (IITA); WECAMAN, Ibadan, Nigeria: Cotonou, Benin, 2007. |
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| Infestation of crop fields by Striga species in the savanna zones of northeast Nigeria, Dugje, I.*, Kamara, A. and Omoigui, L., in: Agriculture, Ecosystems and Environment, volume 116, number 3-4, pages 251-254, ISSN 0167-8809, 2006. |
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