Ansai millet has a long history of planting. Millet is one of the oldest cultivated crops in China. The corns of the millet and the pottery jars in the Banpo Village site in Xi'an, Shaanxi Province, have been discovered for more than 6,000 years. Many archaeological data prove that in the early part of the Yangtze River, there were mainly crops such as alfalfa, millet and sorghum; In the middle and lower reaches and the southeast coast, rice production is the main area. This shows that in that era, the situation of the northern dry farming area and the southern paddy field has been formed.

Ansai millet quality technical requirements (a) variety. Dahongpao, Jinci 7th, Yangu 12th. (2) Site conditions. The altitude of the protected area ranges from 1000 to 1200 meters, mainly in the yellow cotton soil of Sichuan, Taiwan and terraced fields. Soil with an organic matter content greater than 0.8% and a pH in the range of 6.8 to 7.5. (3) Cultivation management. 1. Site selection: It is forbidden to repeat. 2. Fertilization: Based on organic fertilizer, the application rate of organic fertilizer per hectare is more than 15 tons per year. 3. Sowing: (1) Sowing date: from mid-April to early May; (2) Density: no more than 450,000 seedlings per hectare. 4. Field management: cultivating and weeding more than three times during the period of childbirth. 5. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. (4) Harvest. When the grain becomes the inherent color of the variety and the grain becomes hard, it is harvested in time. Single-variety and single-storage are used to ensure the quality of millet. (5) Processing. The processing peeling temperature does not exceed 37 °C. (6) Quality characteristics. 1. Sensory characteristics: The size of the rice grains is the same, the color is golden, and the 1000-grain weight is 2.2 to 2.5 grams. 2. Physical and chemical indicators: Item variety Protein (%) Fat (%) Lysine (%) Amylose (%) Gel consistency (mm) Dahongpao ≥11.0≥4.0≥0.2512.0-15.0≥120 Jinci 7 ≥11.0≥4.0≥0.2512.0-15.0≥120 Yangu 12 ≥11.0≥4.0≥0.2012.0-15.0≥120 millet grain threshing rate≥98%, total impurity ≤0.3%, broken rice≤4.0% , water ≤ 12%. 3. Safety requirements: Product safety indicators must meet the relevant regulations of the state for similar products.

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Producers within the scope of protection of Ansai Xiaomi's geographical indication products may apply to the Shaanxi Entry-Exit Inspection and Quarantine Bureau for the use of the \"Special Mark for Geographical Indication Products\", which is approved by the General Administration of Quality Supervision, Inspection and Quarantine.