The green orange peel in Qiongzhong is green, the meat is red, the skin is thin and juicy, the sweet and sour is moderate, and the slag rate is high. Compared with ordinary oranges, the fiber is finer and has a better taste. Rich in pectin, multivitamins, protein, calcium, phosphorus, iron and vitamins B1, B2, C and other nutrients, especially high in vitamin C, rich in organic acids and flavonoids, volatile oil, orange Skin sputum, etc., are very helpful in promoting metabolism and enhancing the body's resistance.

Qiongzhong County is located in the northern edge of the tropical marine monsoon region. It is located in the central mountainous area of ​​Hainan, north of Wuzhi Mountain. It is the birthplace of Hainan Nandujiang, Changhuajiang and Wanquanhe rivers. It is known as the “green treasure house”. Located in the subtropical zone, the annual average temperature is 22.8 °C, the average annual sunshine is 1743.1 hours, the average annual rainfall is 2444 mm, the land is fertile, the sunshine is sufficient, the climate is mild, the rainfall is abundant, the temperature difference between day and night is large, there is no heat in summer, no cold in winter. It has a unique mountain climate. It is located in a typical inland mountainous county with deep soil, fertile soil, excellent water quality and no industrial pollution, which is conducive to the growth of “Qiongzhong Green Orange” and the cultivation of good quality fruit.

Qiongzhong Green Orange quality technical requirements (a) variety. Red River Orange. (2) Site conditions. The altitude is below 600 meters and the slope is below 25 degrees. The soil is alluvial soil, the pH value is 4.5 to 6.5, the organic matter content is ≥1.5%, the soil layer is deep, and the soil is loose and fertile. (3) Cultivation management. 1. Nursery: Collect scions from robust mother trees without quarantine pests and diseases, and graft and multiply with sour oranges and red oranges as rootstocks. 2. Planting time: planted every fall or spring. 3. Planting density: ≤825 plants per hectare. 4. Fertilizer and water management: Water supply should be ensured during the spring germination period, flowering period and fruit expansion period. However, it should be drained in time during rainy seasons or when water is accumulated in the orchard. Based on organic fertilizer, rational application of inorganic fertilizer, no less than 8.25 tons of organic fertilizer 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. Fruit soluble solids ≥ 10.5% began to harvest. The harvesting method is “one fruit and two cuts”. (5) Quality characteristics. 1. Sensory characteristics: fruit-shaped ellipse, peel green to yellow-green, flesh orange-yellow, nucleus, juice, slag, sweet and sour moderate. 2. Physical and chemical indicators: single fruit weight ≥130g, fruit transverse diameter ≥60mm, edible rate ≥75%, soluble solids ≥10.5%, solid acid ratio ≥25, total ascorbic acid ≥22mg/100g. 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 Qiongzhong Green Orange Geographical Indication Products may apply to the Quality and Technical Supervision Bureau of Qiongzhong Li and Miao Autonomous County of Hainan Province for the use of “Special Marks for Geographical Indication Products”, which shall be approved by the General Administration of Quality Supervision, Inspection and Quarantine.