The origin of Guyuan potato is: the area under the jurisdiction of Guyuan City, Ningxia Hui Autonomous Region. The original area potato has the characteristics of high quality, high starch content, uniform potato chips and shallow buds. It has rich nutrients and contains 337 kcal of energy, 7.2 g of protein, 0.5 g of fat and 77.4 g of carbohydrate per 100 g of product. Dietary fiber 1.4g, vitamin A 20mg, carotene 120mg, niacin 5.1mg, vitamin E (T) 0.28mg, calcium 171mg, also contains more than 10% of the body's required sodium, magnesium, iron, zinc, selenium A kind of trace element is a health food that is popular among people.

Yuanyuan District of Guyuan City is located in the western part of China's Loess Plateau, Liupanshan Mountain, east of Huan County and Zhenyuan County of Gansu Province; south of Pingliang City of Gansu Province and Wuyuan and Longde of Ningxia; West and West Ji, The two counties of Haiyuan are bordered; the north is connected to Tongxin County. The ground spans 105°58′-106°30′ east longitude and 35°34′-36°38′ north latitude. With an area of ​​3505.9 square kilometers, the existing arable land area is 1,2066.7 hectares, the total production area is 20,000 hectares, and the total annual production is 360,000 tons. The potato was introduced to China in the 17th century and has a planting history of more than 300 years in the original state. In recent years, the introduction of the fine varieties of Qishu No.3, Zhuangshu No.3, Qingshu168, Qingshu No.9, Zhangzhangshu No.8, Neishu No.7, Kexin No.1, Atlantic Ocean and Feiwurui were established. The four-level breeding system of potato virus-free seed potatoes has been improved. The potato planting area has been expanded year by year, and more than 90% of the products are exported. The original area potato has the characteristics of high quality, high starch content, uniform potato chips and shallow buds. It has rich nutrients and contains 337 kcal of energy, 7.2 g of protein, 0.5 g of fat and 77.4 g of carbohydrate per 100 g of product. Dietary fiber 1.4g, vitamin A 20mg, carotene 120mg, niacin 5.1mg, vitamin E (T) 0.28mg, calcium 171mg, also contains more than 10% of the body's required sodium, magnesium, iron, zinc, selenium A kind of trace element is a health food that is popular among people. The product has a wide range of uses, both edible and forage, and starch is a variety of industrial raw materials. Potato has become one of the pillar industries in the original state.

Quality technical requirements for Guyuan potato 1. Variety of starch processing varieties: Zhuangshu No.3, Qishu No.3, Qishu No.7, Yushu No.8, Yushu No.10, Yushu No.11, Ningshu No.15, Tianshu No. 11; fresh-food type: Kexin No.1, Qishu No.6, Qingshu No.9, Zhangzhangshu No.8, Ningshu No.14, Zhongshu No.18, Zhongshu No.19, Zhongshu 21 No. 6, Lishu 6, Feirui, etc. Second, the conditions of production are 1600-2300 meters above sea level; the soil is yellow loess and black loess. The soil texture is loam and light loam; the organic matter content is g12g/kg. Third, cultivation management 1. Sowing: mid-April - early May. 40g of potato chips for sowing, no less than 2 buds per potato. 2. Fertilization: Apply 3,000 kg of organic fertilizer per 667 m3. 3. Environmental and safety requirements: The use of pesticides, fertilizers and other inputs must comply with relevant national regulations and must not pollute the environment. Fourth, harvest from mid-September to early October each year, when most of the potato stems from green to yellow, began to wither when harvested. V. Quality Features 1. Sensory characteristics: the bud eyes are shallow and the skin is smooth. When cooked, the skin bursts open and the mouth feels fragrant and smooth. 2. Physical and chemical indicators: starch content of 17-22%, dry matter content of 20-24%. 3. Safety and other quality technical requirements: Product safety and other quality technical requirements must comply with relevant national regulations.

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Producers within the Guyuan potato production area may submit an application to the Guyuan Municipal Market Supervision Administration for the use of the “Special Mark for Geographical Indication Products”, which shall be reviewed by the Quality and Technical Supervision Bureau of Ningxia Hui Autonomous Region and reported to the General Administration of Quality Supervision, Inspection and Quarantine for approval. The testing mechanism of Guyuan potato is selected by the Quality and Technical Supervision Bureau of Ningxia Hui Autonomous Region in the testing institutions that meet the qualification requirements.