Variability of surface and subsurface properties of an ultisol as function of topography in Sandstone landscape of Southwestern Nigeria GA Oluwatosin Institute of Agricultural Research and Training, Obafemi Owolowo, University, PMB 5029, Ibadan, Nigeria DOI: 10.4314/gjpas.v13i1.16667 Abstract No Abstract.Global Journal of Pure and Applied Sciences Vol. 13 (1) 2007: pp. 27-34 PDF Published 2007-07-04 Issue Vol. 13 No. 1 (2007) Section Articles © 2018. This work is licensed under the creative commons Attribution 4.0 International license.