Ware yam production demonstrations in Nigeria using good agronomic practices and some seed production options - Aighewi, B.; Maroya, N.; Mignouna, Djana B.; Azeez, O.; Aihebhoria, D.; Balogun, M.; Akinribido, Bolanle; Asiedu, R. (YIIFSWA-II, 2020)