Kaiyang selenium-rich fruit has a uniform shape, round shape, orange peel and flesh, fine meat and rich flavor. It is known as the “Emperor of Fruits” and Guizhou King. Kaiyang Selenium-enriched Selenium is characterized by selenium-enriched, its unique taste, pure quality and rich nutritional value. It is well-known in the province and abroad, and has become a famous local specialty industry.

Kaiyang 枇杷 (Kaiyang selenium-enriched 枇杷) quality technical requirements First, the variety of five-star two, site conditions soil is sandy soil or improved red-yellow loam, organic matter content ≥ 1.0%, pH 5.5 to 7.5, slope is lower than 25 degree. Seedling: The seedlings are made of ramie seedlings and grafted seedlings are used. 2. (2) Planting density: the number of planted plants is ≤850 plants per hectare. 3. Fertilization: Based on organic fertilizer, organic fertilizer is applied ≥35t/ha per year. 4. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. 4. Harvesting from mid-May to June, the peel is turned into yellow and harvested in batches. V. Quality characteristics 1. Sensory features: fruit shape is nearly round, golden color, nearly orange red, fleshy and juicy, sweet and sour taste. 2. 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 production of Kaiyangyu (Kaiyang Selenium) can submit an application for the use of “Special Marks for Geographical Indication Products” to the Kaiyang County Quality and Technical Supervision Bureau of Guizhou Province, which is reviewed by the Guizhou Provincial Bureau of Quality and Technical Supervision. Announcement after approval by the General Administration of Quality Supervision, Inspection and Quarantine. The testing institution of Kaiyangyu (Kaiyang Selenium) is selected by the Guizhou Quality and Technical Supervision Bureau in the testing institutions that meet the qualification requirements.