Yuexi Water bamboo

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According to the records of "Yuexi County", Yuexi Yubai has a planting history of more than a thousand years. In the 1997 national agricultural census, Yuexi County found a piece of whiteness not far from the stone house of the second ancestral temple of the Sage Mountain, which is known as the first mountain of China's Zen. At the same time, in the ancient villages such as Heshanzhai, Feiqizhai and Mayuanzhai, which were built for the anti-yuan in the late Song Dynasty, they were found to have white and amaranth. These empirical evidences show that the history of the planting of Yu Bai in Yuexi can be traced back to the first year of Taibei in the Northern Qi Dynasty (AD 561). At that time, Yuexi Yubai was planted in low-altitude areas and window ponds and water channels, and the white products were self-sufficient.

Yuexi County is located in the abdomen of Dabie Mountain, on the southwestern border of the southwest, north and south at 30°29′-31°11′N, and east and west at 115°50′-116°33′E. The territory is beautiful, the peaks are deep, the forests are deep, the rain is abundant, the climate is pleasant, and it is far away from the industrial city and pollution-free. It is a national-level ecological protection demonstration county. The county has 15292 hectares of cultivated land and 600-1200 meters of cultivated land at an altitude of 600-1200 meters. With an area of ​​more than 60%, it is the only pure mountainous county in Anhui Province. In Yuexi County, there are natural landscapes such as Sikong Mountain, the first mountain of the Chinese Zen Buddhism, Mingtang Mountain, the mother of the Anhui Province, Miaodao Mountain of the National Forest Park, and the National Nature Reserve. In the area of ​​600 meters to 1000 meters above sea level, Yuexi County has nearly 80,000 acres of cold-watered fields in the mountains. These fields are deep and fertile, with sufficient water, springs and springs all the year round, with many clouds, high humidity and cool summers. In the Yuexi 茭 white planting distribution area above 600 degrees above sea level, the average daily temperature in July-September of the listing period is ≤26°C, and the temperature difference between day and night is ≥8°C, which is very suitable for the growth of white pupa.

Yuexi Yubai quality technical requirements (a) variety. In the single season, the Dabie Mountain No. 1 and the Dabie Mountain No. 3 were selected; the double season 茭 chose Dabie Mountain No. 2 and Dabie Mountain No. 4. (2) Site conditions. The altitude of the protected area is 500m to 1000m, the soil type is paddy soil, clay and clay loam with convenient drainage and water retention and fertility, soil organic matter content ≥2.0%, soil pH value 5.4 to 6.5. (3) Cultivation management. 1. The single season is planted in late October to late November or March. Planting density ≤ 25500 points / hectare. Double seasons are planted from October to November, planting density ≤ 27000 points / hectare. 2. 3. Moisture: Irrigation with flowing mountain spring water during pregnancy, and control the white layer of the water layer thickness not exceeding 茭. 4. Fertilization: Based on organic fertilizer, the fertilizer is ≥15000kg per hectare per year. 5. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. (4) Harvesting. The single season harvest period is from early August to mid-September; the double-season summer harvest period is from late June to early August, and the autumn harvest period is from mid-September to late October. The harvesting standard is: the heart leaf is shortened, the sputum inside the leaf sheath is obviously enlarged, and the tightly wrapped leaf sheath is about to be split or just split to be suitable for harvesting. (5) Quality characteristics. 1. 2. In the double season, the meat is 18 cm to 22 cm long, the transverse diameter is 3.2 cm to 4.2 cm, and the weight is 85 g to 125 g. 3. Safety and other quality technical requirements: Product safety and other quality technical requirements must comply with relevant national regulations.

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Producers within the scope of the Yuexi Yubai production area may submit an application for the use of the “Special Mark for Geographical Indication Products” to the Quality and Technical Supervision Bureau of Yuexi County, Anhui Province, which shall be reviewed by the Anhui Provincial Bureau of Quality and Technical Supervision and submitted to the AQSIQ for approval. announcement.