The unavailability of good quality seed yams (Dioscorea rotundata Poir) is frequently cited to be responsible for the slow rate of growth or decline in yam production. Current production and storage practices, as well as quality of seed yams in 35 villages of Oyo North, Asaba, Lokoja, and Lafia a...
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https://cgspace.cgiar.org/handle/10568/92729
Asiedu, Robert
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Akoroda, M.O.
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Aighewi, B.A.
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[Seed yam (Dioscorea rotundata Poir) production, storage, and quality in selected yam zones of Nigeria]
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Seed yam (Dioscorea rotundata Poir) production, storage, and quality in selected yam zones of Nigeria