At the foot of the Great Wall on the banks of the Liuchuan River, an ancient city is famous for its summer. This is the ancient city that was praised by the Emperor Qianlong as the "magic lock key" - Xuanhua, and the first village of West Beijing. Xuanhua is not only the first of the nine sides of the “Jingjing Pinghan” and “Gyeonggi Heavy Town”, but also the only city in the world featuring “funnel frame” viticulture. It is known as the “grape city”. Xuanhua Milk Grape is famous both at home and abroad. Its cultivation method is unique, its quality is good, its taste is fragrant, its peel is thin, its flesh is crisp, its juice is large and its color is yellow, and it is green and yellow. It is not only a good fruit, but also famous at home and abroad, and Xuanhua grape witnessed Xuanhua. The rise and fall of the ancient city and prosperity, the grape culture of thousands of years and the ancient city culture of thousands of years complement each other and live together to complement each other!

Xuanhua milk grape quality technical requirements (a) variety. Milk grapes. (2) Site conditions. The altitude is 600 meters to 650 meters, the thickness of the soil layer is more than 1 meter, the groundwater level is below 1 meter, the soil pH is 6.5 to 8, and the soil organic matter content is greater than 1%. (3) Cultivation management. 1. Seedling: Cuttings are carried out using branches on a good mother plant without quarantine disease. 2. Seedling colonization: (1) Colonization time: in the middle and late April. (2) Planting density: The planting of seedlings per hectare should be controlled at 2,100 plants. 3. Fertilizer management: (1) Fertilization: Based on organic fertilizer, the amount of fertilizer applied per hectare per year should be greater than 3.5 tons. (2) Irrigation: Water should be poured in time after the grape is unearthed, 10 days before flowering, during fruit expansion and before cold. Fertilization and irrigation should be prohibited for the first half of the harvest. 4. Plastic trimming: (1) Shaping method: using fan-shaped and dragon-shaped dry pruning. (2) Pruning method: combined with long-cut pruning and short-tail pruning, the amount of bud per hectare is controlled between 170,000 and 18,000. (3) Yield control: The yield per hectare should be less than 30 tons. (4) Harvesting. The harvesting time is in the middle and late September. (5) Quality characteristics. 1. Appearance characteristics: The fruit powder and the peel are thin, the flesh is crisp, the juice is juicy, the yellow-green is green, and the fragrance is clear. 2. Physical and chemical indicators: soluble solid content is not less than 14 degrees; titratable acid content is less than 0.47%; fruit weight is not less than 7 grams.

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Producers within the scope of protection of Xuanhua Milk Grape Geographical Indication Products may submit an application to the Quality and Technical Supervision Bureau of Xuanhua District of Zhangjiakou for the use of the “Special Mark for Geographical Indication Products”, which shall be approved by the General Administration of Quality Supervision, Inspection and Quarantine.