@INPROCEEDINGS {SHIWACHI:2008a, title = {Off-season yam production in Nigeria}, author = {Shiwachi, H. and Kikuno, H. and Fashola, R. and Asiedu, R. }, booktitle = {Proceedings of Japanese Society for Tropical Agriculture: Research for Tropical Agriculture, 18-19 October 2008}, year = {2008}, volume = {1}, pages = {97--98}, note = {RTB; Root and Tuber; Yam.; Extra Issue 1}, }