@ARTICLE {PLEYSIER:1981, title = {Leaching of fertilizer ions in a kaolinitic Utisol in the high rainfall tropics: Leaching through undisturbed soil columns}, author = {Pleysier, J. L. and Juo, A. S. R. }, journal = {Soil Science Society of America Journal}, year = {1981}, volume = {45}, pages = {754--759}, }