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Yam is grown on free draining, sandy and fertile soil, after clearing the first fallow. Land is prepared in the form of mound or ridge or heap of 1 metre (3 ft 3 in) height. 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).
Dioscorea bulbifera (commonly known as the air potato, air yam, bitter yam, cheeky yam, potato yam, [2] aerial yam, [3] and parsnip yam [4]) is a species of true yam in the yam family, Dioscoreaceae. It is native to Africa, Asia and northern Australia. [ 1 ]
Dioscorea alata – also called ube (/ ˈ uː b ɛ,-b eɪ /), ubi, purple yam, or greater yam, among many other names – is a species of yam (a tuber). The tubers are usually a vivid violet - purple to bright lavender in color (hence the common name), but some range in color from cream to plain white.
Dioscorea cayenensis subsp. rotundata, commonly known as the white yam, West African yam, [1] Guinea yam, or white ñame, is a subspecies [2] of yam native to Africa. It is one of the most important cultivated yams. [3] Kokoro is one of its most important cultivars. It is sometimes treated as separate species from Dioscorea cayenensis. [1]
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The facility also consists of 660 units of reconstructed stalls/sheds, internal roads, administrative buildings and a solar-powered borehole. [ 5 ] Nigeria is the principal contributor to yam production, boasting an annual 17 million tonnes, constituting a substantial 70-76% share of the worldwide output.
Yams are in the family Dioscoreaceae, which contains hundreds of species of yams such as the Chinese yam and air potatoes, while sweet potatoes are in the family Convolvulaceae, which is the same ...
"Sweet potatoes have a starchy texture and sweet flesh," Gavin said. "The major types are grouped by the color of the flesh, not by the skin." In the grocery store, you'll likely see orange, white ...