"The dew-pressed grapes are ripe, and Nine is on the scene." Every July to October is the hottest season in Changgou Town, Jining, Shandong. Nowadays, grapes have become synonymous with Changgou Town. Ren Jining is the town of Changgou in the city. It is known as the “hometown of grape leisure”. The grape is famous for its large size, bright color, thin skin, thick meat, sweet and sour taste, and is favored by consumers.

The Changgou grape in Jining City is famous for its large size, bright color, thin skin, thick flesh, sweet and sour taste, and is favored by tourists. In recent years, the party committee government of Changgou Town of Rencheng District has made great efforts to develop agricultural sightseeing tourism. In previous years, in the town of Changgou, the town of “grass leisure”, a large number of grapes generally only mature until the first lunar month, and this year from now At the beginning, the early-maturing high-quality grapes in Changgou Town can be picked. According to the relevant person in charge of Changgou Town, the market time of these early-maturing grapes is from mid-June to late September of each year, until the listing of other grape varieties in Changgou Town, the whole picking time is extended by two months. The cultivation of Changgou grape began in 1984. In 1999, it registered the trademark of “Changgou” brand. After more than 20 years of development, the area of ​​concentrated contiguous planting has reached more than 5,000 mu. Changgou Town adheres to the development strategy of “trinity and overall promotion” of pollution-free agricultural products, green foods and organic foods. With the support of the government, the grape varieties are constantly updated, from the original giant peak to the rattan, rose, More than 10 varieties such as super-nuclear; at the same time, constantly promote new planting techniques, adopting methods such as delayed picking, bagging, sheltering from rain, and preservation, so as to achieve uniform drug use, uniform fertilization, uniform pruning, and unified sales. The yield and quality of the grapes. The Changgou Grape Demonstration Park has been rated as “the first batch of pollution-free grape production bases in Jining” and “Jining Fruit Quality and Safety Demonstration Zone”, and passed the “Non-pollution Agricultural Products Producing Area” of Shandong Provincial Agriculture Department. At the 2008 Shandong Tourism Commodity Culture Expo, “Changgou” brand grape won the “Top Ten Brands of Tourism Products in Shandong Province” with its excellent quality and became a well-known brand in the province. The grape plantation owner advised the government to plant some disease-resistant grapes on the promenade, which is specially used for juicing, so that tourists can not only eat grapes, but also drink grape juice, and wait until the grape harvest, we Wine can be brewed, allowing visitors to experience how to make wine and engage in some engaging projects to attract tourists. Improve grape varieties, vigorously promote the cultivation of new varieties such as Yafu Rosa, Rose Xiang, Jingxiu, etc., which have good appearance, good taste and good quality, promote greenhouse cultivation, introduce bagging technology and rain-proof facilities cultivation technology, and actively explore constant temperature preservation technology. To extend the time to market for grapes, from early to midnight, even from summer to early winter, there are fresh grapes to eat, not only fresh, but also good taste and luster. At the same time, infrastructure and entertainment projects will be added on the basis of existing vineyards, and farmhouses, picking gardens and ecological parks will be vigorously developed to create new highlights in agricultural tourism. The government intends to combine the canal culture, catering culture, folk culture, history and culture, integrate a number of folk historical and cultural sightseeing spots, create a "long ditch day tour" route, and gradually build the park into leisure, tourism, sightseeing, catering services, An eco-agricultural sightseeing park in which science and education are demonstrated.

Technical requirements for quality of Changgou grape (1) Variety. Kyoho, Fujisawa. (2) Site conditions. The soil type is tidal cinnamon soil, the texture is sandy loam, the soil organic matter content is ≥2%, and the soil pH is 6.5 to 7.0. (3) Cultivation management. 1. Seedling standards: Two-year-old grafted seedlings are used. 2. Planting time: late November in the fall and late March in the spring. 3. Planting density: no more than 6,000 plants per hectare. 4. Fertilizer and water management: no more than 60,000 kg of fertilized organic fertilizer per hectare per year; no irrigation is allowed for 15 days before harvesting. 5. Yield control: no more than 30,000kg per hectare. 6. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. (4) Harvesting. Fujisaka grapes are harvested in early August, and Kyoho grapes are harvested in late August. (5) Quality characteristics. 1. Sensory features: red or purple-red color, thin skin and rich flavor. 2. Physical and chemical indicators: soluble solid content of not less than 18%, total acid content of 0.4% to 0.5%. 3. Safety requirements: Product safety indicators must meet the relevant regulations of the state for similar products.

Apply to：
Producers within the scope of protection of geographical indication products of Changgou grape may apply to the Quality and Technical Supervision Bureau of Rencheng District, Jining City, Shandong Province for the use of “Special Marks for Geographical Indication Products”, which are subject to review by the Shandong Provincial Bureau of Quality and Technical Supervision. The General Administration of Inspection and Quarantine announced the approval. The statutory testing agency for Changgou Grape is designated by Shandong Quality and Technical Supervision Bureau.