@INPROCEEDINGS {OKARTER:2006, title = {Trends in cassava productivity and implications for cassava industrialisation in Nigeria}, author = {Okarter, C. and Asumugha, G. * and Nweke, F. }, year = {2006}, pages = {109--115}, publisher = {National Root Crops Research Institute, Umudike, Umuahia}, note = {RTB; Root and Tuber; Cassava}, }