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| Genotypic variation of soybean for phosphorus use efficiency and their contribution of N and P to subsequent maize crops in three ecological zones of West Africa, Abaidoo, R., Sanginga, N., Okogun, J., Kolawole, G., Diels, J . and Tossah, B.*, in: In Demand driven technologies for sustainable maize production in West and Central Africa, pages 194-224, WECAMAN; International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria, 2007. |
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| Evaluation of cowpea genotypes for variations in their contribution of N and P to subsequent maize crop in three agro-ecological zones of West Africa, Abaidoo, R., Okogun, J., Kolawole, G., Diels, J ., Randall, P. and Sanginga, N., pages 401-412, Springer, ISBN 978-1-4020-5759-5, 2007. |
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| Phosphorus fractions in fallow systems of West Africa: effect of residue management, Kolawole, G., Tijani-Eniola, H. and Tian, G., in: Plant and Soil, volume 263, pages 113-120, 2004. |
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| Balanced nutrient management system technologies in the northern Guinea savanna of Nigeria: validation, adaptation, and perspective, Kolawole, G., Diels, J ., Manyong, V., Wallays, K., Dercon, G., Iwuafor, E.*, Falaki, A, Merckx, R . and Deckers, J., in: International Symposium of the African Network for Soil Biology and Fertility (AFNET) of TSBF Institute of CIAT, May 2004 at Yaounde, Cameroon, 2004. |
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| Differential response of cowpea lines to application of P fertilizer, Kolawole, G., Tian, G. and Singh, B., pages 319-328, 2002. |
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| Economic evaluation of systems intercropping food crops with leguminous cover crops in the derived savanna of Nigeria, Manyong, V., Tian, G., Makinde, K. and Kolawole, G., in: Cover crops for natural resource management in West Africa = Plantes de couverture et gestion des ressources naturelles en Afrique occidentale: proceedings of a workshop organized by IITA and CIEPCA, Cotonou, Benin, 26-29 October 1999. Ibadan, Nigeria, pages 95-106, 2000. |
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| Nitrogen fertilizer replacement indexes of legume cover crops in the derived savanna of West Africa, Tian, G., Kolawole, G., Kang, B. and Kirchhof, G., in: Plant and Soil, volume 224, pages 287-296, 2000. |
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| On-farm study of Pueraria cover-crop fallow system in the derived savanna of West Africa, Tian, G., Kolawole, G., Ishida, F. and Carsky, R., in: Cover crops for natural resource management in West Africa = Plantes de couverture et gestion des ressources naturelles en Afrique occidentale: proceedings of a workshop organized by IITA and CIEPCA, Cotonou, Benin, 26-29 October 1999. Ibadan, Nigeria, pages 185-193, 2000. |
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| Differential response of cowpea lines to aluminum and phosphorus application, Kolawole, G., Tian, G. and Singh, B., in: Journal of Plant Nutrition, volume 23, pages 731-740, 2000. |
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| Long-term alley cropping with four hedgerow species on an Alfisol in southwestern Nigeria - effect on crop performance, soil chemical properties and nematode population, Kang, B., Caveness, F. E., Tian, G. and Kolawole, G., in: Nutrient Cycling in Agroecosystems, volume 54, number 2, pages 145-155, ISSN 1385-1314, 1999. |
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| Phosphorus availability of phosphate rock incubated with plant residues with various chemical compositions, Tian, G. and Kolawole, G., in: Agroforestry Forum, volume 9, pages 40-42, 1999. |
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| An improved cover crop-fallow system for sustainable management of low activity clay soils of the tropics, Tian, G., Kolawole, G., Salako, F. K. and Kang, B., in: Soil Science, volume 164, number 9, pages 671-682, ISSN 0038-075X, 1999. |
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| Effect of seed size and phosphorus fertilization on growth of selected legumes, Kolawole, G. and Kang, B., in: Communications in Soil Science and Plant Analysis, volume 28, pages 1223-1235, 1997. |
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| Response of early growth and nutrient concentration of three multipurpose species to three soil types, Kolawole, G. and Tian, G., in: Nigerian Journal of Forestry, volume 26, pages 35-40, 1996. |
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