@INPROCEEDINGS {AINA:1977, title = {Effects of Vegetal Cover on Soil Erosion}, author = {Aina, P. O. and Lal, R. and Taylor, S. }, booktitle = {In Role of Soil Physical Properties in Maintaining Productivity of Tropical Soil, Held at IITA Ibadan}, year = {1977}, note = {6-10 December}, }