NITRATE AND PHOSPHATE DISTRIBUTION IN SOIL AND RUNOFF WATER UNDER DIFFERENT MANAGEMENT SYSTEMS ON AN ALFISOL IN SOUTH-WESTERN NIGERIA

*D.J. Oyedele¹ , O.O. Awotoye² and J.A. Akwoga².

¹Department of Soil Science, Obafemi Awolowo University, Ile-Ife,…