@ARTICLE {YANINEK: J.S., title = {Correction of acid infertility of the Rwandan Oxiisols for sustainable croping with lime from an indegenous sourse}, author = {Yamoah, C. F. and Burleigh, J. R. and Eylands, V. J. }, journal = {Experimental Agriculture}, year = {1992}, volume = {28}, number = {4}, pages = {417--424}, }