@ARTICLE {ONJO:2003, title = {Possibility of early-season culture of water yam (Dioscorea alata L.) in Yaku island}, author = {Onjo, M. and Shiwachi, H. and Hayashi, M. }, journal = {Kagoshima University Research Center for the Pacific Islands Occasional Papers}, year = {2003}, volume = {38}, pages = {43--46}, note = {RTB; Root and Tuber; Yam}, no, }