@INPROCEEDINGS {GEORGE:1998, title = {Growth rates and yields of three cassava cultivars on the Njala gravely upland soils in Sierra Leone}, author = {George, J. * and Lahai, M. * and Ekanayake, I. J. and Dahniya, M. T. }, editor = {Akoroda, M. and Ekanayake, I. J. }, booktitle = {Root crops and poverty alleviation: proceedings of the Sixth Triennial Symposium of the International Society for Tropical Root Crops-Africa Branch (ISTRC-AB), Lilongwe, Malawi, 22-28 October 1995}, year = {1998}, pages = {382--387}, publisher = {International Institute of Tropical Agriculture: ISTRC-AB}, address = {Ibadan, Nigeria: Government of Malawi}, note = {RTB; Root and Tuber; Cassava}, }