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In Colombia yam production has been specifically located in the Caribbean region, where it has become a key product in the diet of the population of this area. In 2010, Colombia was among the 12 countries with the highest yam production worldwide, and ranked first in yield of tons per hectare planted.
A different crop plant, the oca (Oxalis tuberosa, a species of wood sorrel), is called a "yam" in many parts of the world. [49] Although the sweet potato is not closely related botanically to the common potato, they have a shared etymology. The first Europeans to taste sweet potatoes were members of Christopher Columbus's expedition in 1492.
World yam production Yam in a market. Nigeria is by far the world’s largest producer of yams, accounting for over 70–76 percent of the world production.According to the Food and Agriculture Organization report, in 1985, Nigeria produced 18.3 million tonnes of yam from 1.5 million hectares, representing 73.8 percent of total yam production in Africa. [1]
Nigeria is the principal contributor to yam production, boasting an annual 17 million tonnes, constituting a substantial 70-76% share of the worldwide output. The majority of these tubers, amounting to approximately two million weekly, traverse through the Zaki Biam Yam Market, signifying a pivotal hub in the distribution network. [6]
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59.6 million tons of cassava (the largest producer in the world). Nigeria accounts for up to 20% of the world's cassava production, about 34 per cent of Africa's, and about 46% of West Africa's; [3] 47.5 million tons of yam (the largest producer in the world); [35] 3.3 million tons of taro (the largest producer in the world); [36]
Along with climate and corresponding types of vegetation, the economy of a nation also influences the level of agricultural production. Production of some products is highly concentrated in a few countries, China, the leading producer of wheat and ramie in 2013, produces 95% of the world's ramie fiber but only 17% of the world's wheat. Products ...
Dioscorea esculenta, commonly known as the lesser yam, is a yam species native to Island Southeast Asia and introduced to Near Oceania and East Africa by early Austronesian voyagers. It is grown for their edible tubers , though it has smaller tubers than the more widely-cultivated Dioscorea alata and is usually spiny.