Suling Yam

Suling Yam

Suling Yam is a product with a geographical indication for agricultural products.

　　According to the "Jing County Annals," "Suling Yam" has a cultivation history of over a thousand years and is mainly produced in Suling Village, Taohuatan Town, Jing County, Anhui Province, later spreading to towns such as Yunling and Maolin. The Jiaqing-era "Jing County Annals" records that Suling Yam has a thousand-year cultivation history. It has excellent edible quality, with tender, white flesh that is delicate, sweet, and aromatic. Its broth is clear and not cloudy, and it is gentle on the stomach even when consumed in large quantities, never becoming tiresome with prolonged consumption. In 1961, the yam planting area was 3,125 mu, with a yield of 890 jin per mu, making it the year with the largest yam planting area since the founding of the People's Republic of China. After 1970, the planting area dropped below 1,000 mu, but the yield per mu increased. In 1982, 1,299 mu of yams were planted, with a yield of 1,965 jin per mu, a 2.2-fold increase compared to 1961. The "Jing County Agricultural Annals" records: yam cultivation is widespread throughout the county and has a history of over a thousand years. In 1961, the yam planting area was 3,125 mu, with a yield of 890 jin per mu, making it the year with the largest yam planting area since the founding of the People's Republic of China. After 1970, the planting area dropped below 1,000 mu, but the yield per mu increased. In 1982, 1,299 mu of yams were planted, with a yield of 1,965 jin per mu, a 2.2-fold increase compared to 1961.

　　Suling Yam from Jing County is produced in Suling Village, Taohuatan Town, Jing County. This yam features tightly packed, tender, white flesh that is delicate, sweet, and aromatic, with clear and unclouded broth, offering superior edible quality. Suling Yam has been cultivated in Jing County for over a hundred years, with the current planting area exceeding 13.33 hectares. In recent years, as the popularity of Suling Yam has grown, sales have risen year by year, and the market demand exceeds supply.

　　Anhui Jing County Taohuatan Original Ecology Planting Professional Cooperative

　　Location: 2013

　　Geographical Scope

　　Suling Yam is produced in 20 administrative villages in Taohuatan Town, Jing County, Anhui Province, including Xinmin, Suling, and Longtan. The distribution area coordinates are between 117°58′49.66″ to 118°17′24.50″ east longitude and 30°24′56.93″ to 30°40′29.39″ north latitude, extending east to Huangcun Town and Dingjiaqiao Town, south to Maolin Town, west to Taihu Lake, and north to Yunling Town. The yam is planted on a perennial area of 400 hectares, with an annual output of 6,000 tons.

　　Product Quality Characteristics

　　(1) External Sensory Characteristics: Suling Yam is curved in shape, measuring 60 cm to 80 cm in length, and can reach up to 100 cm. Its diameter ranges from 0.5 cm to 2.5 cm, with a brownish earthy skin covered in fine hairs. (2) Internal Quality Indicators: The flesh of Suling Yam is extremely delicate, white with a slight yellow tint, firm, starchy, and does not become mushy even after prolonged cooking. It has a fragrant, slightly sweet taste and an exceptionally good texture, never becoming tiresome with long-term consumption. It is rich in vitamin C, calcium, magnesium, and various trace elements, with high dietary fiber content and a protein content of ≥2.0%. It contains a wide variety of amino acids, including all 18 essential amino acids required by the human body, offering high nutritional value. (3) Safety Requirements: Production strictly follows the standards of NY5010 for the environmental conditions of pollution-free vegetable production areas, NY/T496 for the general guidelines on the rational use of fertilizers, GB4285 for the safety standards of pesticide use, and GB/8321 (all parts) for the guidelines on the rational use of pesticides.