Fertilization effects on soybean growth and yield in the southern guinea savanna of nigeriaFootnote¹

Research supported by the International Institute of Tropical Agriculture, Ibadan, Nigeria and the Department of Agronomy, Cornell University, Ithaca, N.Y. 14853, U.S.A.

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• Research supported by the International Institute of Tropical Agriculture, Ibadan, Nigeria and the Department of Agronomy, Cornell University, Ithaca, N.Y. 14853, U.S.A.
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• D.A. Shannon, Haiti Agroforestry Research Project, Southeast Consortium for International Development/Auburn University, c/o Lynx Air, P.O. Box 407139, Ft. Lauderdale, FL 33340. E.A. Kueneman, FAO, Plant Production and Protection Division, Via delle Terme di Caracalla, 00100 Rome, Italy. M.J. Wright, Department of Soil, Crop, and Atmospheric Sciences, Bradfield Hall, Cornell University, Ithaca, NY 14853. C.W. Wood, Department of Agronomy and Soils, 202 Funchess Hall, Auburn University, AL 36849–5412.
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