Question: how are yams grown in nigeria?
Answer: Yam is grown on free draining, sandy and fertile soil, after clearing the first fallow. ... The yams recommended for such soil conditions in Nigeria are white yam or white guinea yam (Discorea rotundata) and water yam or yellow yam (Discorea alata). Planting is done by seed yam or cut setts from ware tubers.