T/HNNX 0006-2021 Active

Scope: This standard specifies the terms and definitions, production area, technical requirements, testing methods, inspection rules, marking, packaging, storage, and transportation of the geographical indication product Huining Buckwheat, approved by the People's Government of Huining County in accordance with laws and regulations such as the Trademark Law of the People's Republic of China and registered by the Trademark Office of the former State Administration for Industry and Commerce (registration number: 24370368) (Decision No. 8 of 2017 of the Huining County People's Government); Main technical content: The cultivar is Huining buckwheat (Fagopyrum esculentum Moench.). The growing area of Huining buckwheat belongs to the temperate monsoon climate, located in the hilly and gully area of the Longxi Loess Plateau, with an altitude of 1700 m to 2200 m. The growing period is ≥100 days with a total temperature of 1000℃ to 12000℃, and the annual average temperature is 6℃ to 8℃. The annual rainfall is between 180 mm and 450 mm, with a frost-free period of 155 days and a sunshine duration of 2696 hours. The area has sufficient water resources, with major rivers including Zulish River, Guanchen River, and Kushui River. The soil selection requires a deep cultivation layer with loose soil and high fertility, with an organic matter content of more than 0.8% and a pH value around 8. Poorly drained clay or alkaline soils are not suitable for cultivation. The soil environmental quality should meet the second-level requirements of GB 15618; the environmental and air quality should meet the first-level requirements of GB 3095; and the irrigation water should meet the requirements of GB 5084. Cultivation management: - Tillage and land preparation: Rotation cultivation for more than 3 years, with deep tillage in spring and autumn. - Fertilization: Apply more than 1000 kg of farmyard manure per 666.7 m2 annually. - Sowing: Sow in early to mid-May, with a sowing depth of 3