Effect of phosphorus application and soybean cultivar on grain and dry matter yield of subsequent maize in the tropical savannas of north-eastern Nigeria
A. Y. Kamara1*, J. Kwari2, F. Ekeleme1, L. Omoigui1 and R. Abaidoo1
1International Institute of Tropical Agriculture (IITA), Ibadan, Nigeria.
2Department of Soil Science, University of Maiduguri, Nigeria.
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