Caidian has a long history. During the Sui and Tang Dynasties, the cultivation of lotus roots was introduced in Caidian, and artificial cultivation began. The fertile soil of the species was complemented. The longer the better, the Song Dynasty began to be famous in Kyoto, the Caidian Lotus Lake Lotus, the Jinjing tribute, the summer and winter seasons, the land and water, and the time to enter Beijing. . The Ming and Qing dynasties have been a large area of ​​vegetable planting.

Every year, Zhongnanhai State Banquet menu, Caidian Lotus is never absent. People talk about Cai Dian's first thought of lotus root, Cai Dian lotus root is the most beautiful business card in Caidian District. Caidian has a long history. The wild carp produced in Caidian District generally has 9-13 holes, which is more than the holes in other places. Caidian people use the unique natural conditions of the local soils with long frost-free period and suitable for the growth of lotus roots. After several generations of unremitting efforts, they have been inferior to the wild crickets and selected the “Big Mao Festival” and “Six The monthly explosion "Golden Lotus" and other varieties. Caidian lotus root not only has a long-lasting appearance, but also has a long and delicate appearance, fine and tender white, long silky silk, and the taste is sweet, crisp and less slag, very nutritious, and medicinal food supplement. China's General Administration of Quality Supervision, Inspection and Quarantine approved the implementation of the protection of geographical indication products for Caidian Lotus from March 5, 2007. Caidian people have formed a food culture. There are friends from afar, Caidian people proudly took out lotus leaf steamed pork, cold mix, simmered slices, sash, plus a can of lotus root ribs soup. Caidian Lotus represents the authentic taste of Hubei across the ocean. In recent years, a large number of lotus root foods have been processed from the lotus root produced in Caidian District. The filling of "Caidian Soup" went south and north, drifting across the ocean, spreading the food culture of Caidian District to all parts of the country, spreading it overseas, and the unique qualities of Caidian Lotus were remembered and praised. Speaking of lotus roots, Caidian District people are proud of the poems described in the poems, "The sky is full of lotus leaves, the lotus flowers are different red", "the rouge snow is thin and heavy, the jade is high and the night is bright" . Caidian City Guanjian Town Yujin, Lotus Lake surrounded the ancient town, the lake is clear, the lake mud is fertile, due to repeated diversions of the Han River, flooding, mineral deposits, providing a material basis for the growth of Caidian lotus root. Caidian has a long history. During the Sui and Tang Dynasties, the cultivation of lotus roots was introduced in Caidian, and artificial cultivation began. The fertile soil of the species was complemented. The longer the better, the Song Dynasty began to be famous in Kyoto, the Caidian Lotus Lake Lotus, the Jinjing tribute, the summer and winter seasons, the land and water, and the time to enter Beijing. . The Ming and Qing dynasties have been a large area of ​​vegetable planting. At present, Caidian lotus root cultivation area is more than 150,000 mu, with an annual output value of nearly 300 million yuan. It is the largest lotus root production and sales base in the country. Caidian Lotus has initially formed a lotus root industrial chain integrating planting, processing, tourism and sightseeing, and has become a bright business card in Caidian District.

Caidian lotus root quality technical requirements (a) variety. Nelumbo nucifera Gaertn.Qian Shui Ou June, Olyn No.1, Hanyang State, Elian No.5, Xinyi No.1, Wuzhi No.2. (2) Site conditions. Choose the hilly lake and plain, the soil pH is 6.5 to 7.0, and the organic matter content is not less than 3%. (3) Cultivation management. 1. Seeding requirements: the purity of the seedlings is not less than 95%, and the number of branches with 3 or more nodes and 1 or more top buds is not less than 90%, and is not affected by pests and diseases. No major mechanical damage, no wilting. 2. Preparing for Putian: Before planting the soil, it should be deep-rooted and applied to the base fertilizer. The amount of base fertilizer is 45,000 kg per hectare, 900 kg of diammonium phosphate and 2700 kg of compound microbial fertilizer. It can also apply 750 kg of compound fertilizer and 300 kg of urea per hectare. . 3. Planting: The planting period is from late March to mid-April. Early maturing cultivation of 3,000 to 3,750 points per hectare, with a seed amount of 3,750 kg to 4500 kg; medium and late ripening cultivation of 2,250 to 3,000 points per hectare, with a seed amount of 3000 kg to 3,750 kg. 4. Fertilizer and water management: three times of topdressing on the 25th to 30th, 55th to 60th, and 75th to 80th after planting, 18000kg to 27000 kg per hectare per hectare, or 300kg of compound fertilizer and 150kg of urea to 225kg, the first time 150kg per hectare of urea and potassium sulfate. The water depth in different periods is from 3cm to 5cm from the planting stage to the germination stage, starting to extract the leaves to 5cm to 10cm before sealing, from 10cm to 20cm in the crusting period, and from 5cm to 10cm in the crusting period to the dry period. Keep the planting area 3cm to 5cm during the winter. (4) Harvesting. When the technology matures, it begins to harvest dryness. (5) Product quality characteristics. 1. Sensory characteristics: The sensory characteristics of Caidian lotus root are shown in Table 1. Table 1 Specification section number (section) Length (cm) Cross-sectional diameter (cm) Weight (kg) 2L5-7100-1308-102.5-3.5L4-570-1006-81.5-2.5M3-450-704-61.0-1.5S2 -330-503-40.5-1.02. Physical and chemical indicators: Caidian lotus seed physicochemical indicators (for every 100g fresh sputum) see Table 2. Table 2 nutrient dry matter (g) soluble sugar (g) starch (g) Vc (mg) indicator requirements 17-250.4-0.88-1445-75

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Producers within the scope of protection of Caidian Lotus's geographical indication products may submit an application to the Quality and Technical Supervision Bureau of Caidian District of Wuhan for the use of the “Special Mark for Geographical Indication Products”, which is approved by the General Administration of Quality Supervision, Inspection and Quarantine.