Also known as "horse hoof", the meat is white, crisp and juicy, mellow and fragrant, and rich in nutrients. It has a reputation of "underground Sydney" since ancient times. The group wind is a traditional hometown of alfalfa cultivation, and its development prospects are very broad and the utilization rate is extremely high.

Tuanfeng County has a history of more than 400 years of cultivation. According to historical records, in the 1759 AD, the "Huangzhou Fuzhi Property", 1848 (Daoguang Wushen Year), 1883 (Guangxu Eight Years), 1884 (Guangxu Nine years) "Huangzhou Fuzhi Property" has a record. Tuanfeng County is not only a prestigious town of high quality in Hubei Province, but also one of the main producing areas in the province. In recent years, alfalfa planting has become a new bright spot for agricultural efficiency and farmers' income in Tuanfeng County. Characteristics of the production area Tuanfeng County is located in the eastern part of Hubei Province, south of the Dabie Mountains, on the north bank of the middle reaches of the Yangtze River. It is located in the mid-latitude and belongs to the subtropical continental monsoon climate zone. It has four distinct seasons, abundant sunshine, abundant heat, abundant rainfall and long frost-free period. The soil is fertile, the rivers are numerous, and the terrain is flat. The Yangtze River passes through the city, and the waters and rivers flow into the Yangtze River through the area. The water network is dense and the water quality is clean. The towns of Linshan River, Fanggaoping and Macao Temple are the gray tide sedimentary soil developed by the alluvial layer of the Yangtze River. The soil in the territory is uncontaminated and is rich in zinc, boron, magnesium, molybdenum, calcium, sulfur and iron. Phosphorus and other trace elements, moderate soil acidity and alkalinity, good gas permeability, is conducive to plant material accumulation, suitable for crop planting. Under the unique geographical environment, the group winds have been refined and become excellent local products. Edible method The ball of the ball is thin, the color is bright brown red, flat garden shape, white meat, sweet and crisp, less slag, the umbilical part is flat and less cracking.荸荠It can be used as a fresh fruit or as a vegetable to make delicious dishes, such as silk pickles, pork belly porridge, braised pork, simmered meatball soup, dumplings and other flavors. Health value 荸荠 There is also a good health care effect. It is sweet, slightly cold, and non-toxic. As early as in the Qing Dynasty, "Materia Medica", there are records, saying that it has the effects of "breaking the tip, stopping bleeding, treating phlegm, detoxification, acne, clearing and sobering". Chinese medicine is commonly used to treat tongue red Shaojin, sore throat, dry stool, drunkenness and so on. The sputum also contains an antibiotic called "荸荠英", which inhibits Staphylococcus aureus, Escherichia coli and the like. It also contains active ingredients for the prevention and treatment of cancer, and it also has an effect on high blood pressure. Development Status Tuanfeng County adheres to the market-oriented, in accordance with the "one village, one product" work ideas, playing characteristic cards, taking the characteristic road, and taking development as the leading industry and main direction. Actively guide farmers to continuously introduce and improve alfalfa varieties, organize county agricultural experts to provide technical guidance to farmers, and promote the application of organic fertilizers, so that the county's alfalfa industry can be scaled up and developed, with Fang Gaoping, Ma Cao Temple and Linshan River as the center. , radiation to the county's scale planting pattern. The area has been expanded from 2,000 mu in the beginning of Jianxian County to the current 16,000 mu. The cultivation of alfalfa has also become a new bright spot for me and the county to increase agricultural efficiency and increase farmers' income.

Group wind quality technical requirements (a) varieties. E荠1. (2) Site conditions. The soil type is gray tide muddy soil, the soil pH value is 6.5 to 7.5, the thickness of the tillage layer is ≥20cm, the organic matter content is ≥1.8%, and the altitude is 18m to 35m. (3) Cultivation management. 1. Quality requirements for seedlings: bulbs with a uniform shape and uniform size, single bulb weight 22g to 25g, complete buds and lateral buds, no cracks, no damage and pests and diseases, soaking seedlings with fungicide before seedling. 2. Nursery: In mid-March, choose the dry land sheltered from the wind to the sun, seedlings are 4 cm to 6 cm apart, the bud head is placed upwards, covered with fine sandy loam, the thickness is to cover the bud head, and the seedbed is slightly wet. When the seedlings draw 8 to 12 leafy stems and the leafy stem height is ≥40cm, the seedlings are divided in the late May and transplanted to the paddy field for secondary seedling. 3. Colonization: Before the planting, the whole field is applied, and the decomposed organic fertilizer is applied from 30,000 kg to 45,000 kg per hectare. Phosphorus and potassium fertilizer can be applied according to the soil conditions. In the late July, the planting period is 27,000 to 33,000 plants per hectare, and the planting depth is 4 cm to 6 cm. The roots of the lower part of the leafy stem can be placed in the mud. 4. Water level adjustment: keep the water depth from 5 cm to 7 cm after planting; keep the water depth from 2 cm to 3 cm after returning to green; keep the water depth from 8 cm to 10 cm in mid-September; keep the soil moist after mid-October; around the field in early December Ditching water. 5. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. (4) Harvesting. From late December, the leafy stalks withered and gradually fell, and the bulbs matured and began to harvest, which can last until the beginning of March of the following year. (5) Quality characteristics. 1. Sensory characteristics: the bulbs are oblate, the skin is thin, the epidermis is brownish red, the meat is white, sweet and crisp, the slag is less, and the umbilicus is flat. 2. Physical and chemical indicators: The weight of a single bulb is 20g to 25g. The moisture content in the fresh sample tested in January is ≥80.0%, the total sugar content is ≥5.2%, and the starch content is ≥5.1%. 3. Safety requirements: Product safety indicators must meet the relevant regulations of the state for similar products.

Apply to：
The producers within the scope of protection of the geographical indication products of the group may submit an application to the Quality and Technical Supervision Bureau of the Tuanfeng County of Hubei Province for the use of the “Special Mark for Geographical Indication Products”, which shall be reviewed by the Hubei Provincial Bureau of Quality and Technical Supervision and be reviewed by the General Administration of Quality Supervision, Inspection and Quarantine. Announcement approval. The statutory testing agency of the group is designated by the Hubei Provincial Bureau of Quality and Technical Supervision.