T/HNNX 0004-2021 Active

Scope: This standard specifies the terms and definitions, production area, technical requirements, testing methods, inspection rules, marking, packaging, transportation, and storage of the geographical indication product "Huining Potato" in Huining County, Gansu Province. This standard applies to the geographical indication product "Huining Potato" (Huining County Government Document No. 2016 No. 24), which was approved by the former State Administration for Industry and Commerce Trademark Office for registration according to the provisions of the Trademark Law of the People's Republic of China and other laws and regulations, and registered under the registration number 21733115. Main technical content: - Variety: Huining Potato (Solanum tuberosum L.) - Site conditions: Huining County belongs to a temperate monsoon climate and is located in the hilly and gully area of the Longxi Loess Plateau. The average altitude is 2025 m, the average temperature is 6-9 °C, the annual rainfall is between 180 and 450 mm, the frost-free period is 155 days, the sunshine duration is 2696 hours, and there are sufficient water sources in the area, with major rivers including Zuliu River, Guanchuan River, and Kushui River. - Soil environment quality: The soil environment 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. - Site selection: The sites selected include plains, plateaus, gully-dam sites, terraced fields, and gentle slopes with a slope of less than 15 degrees. Previous crops should be cereals, legumes, and melons. Three-year crop rotation is recommended, and it is not suitable to plant on sites where previous crops were solanaceous or vegetables such as cabbage and kale. - Tillage: Potato is an underground tuber crop, and there is a saying that "deep plowing and fine harrowing ensure resistance to drought and flo