"Pears in August, sputum in September, and oily sorrow in October." A virginity tells people that they are particularly fond of oil chestnut. Indeed, in the autumn when the chill is getting thicker, many people like to buy a pack of hot sugar and stir-fry, to warm up and relieve. The sealed oil chestnut not only contains a lot of starch, but also contains various nutrients such as protein, fat, sugar, vitamins, carotene and trace elements. It is known as the "king of the thousand fruits".

Technical requirements for sealing the quality of oil chestnuts 1. Variety This floor is chestnut. Second, the site conditions The garden should choose hilly mountains with an altitude of 30 meters to 300 meters, the pH value is between 5.5 and 6.5, the soil is sandy red loam, the soil thickness is ≥80cm, and the soil organic matter content is ≥1.2%. Third, cultivation management Seedling breeding: Select high-quality and high-yield chestnut early and middle-aged varieties to cultivate seedlings by grafting method, use chestnut seedlings as rootstocks, and graft them for 1 year before they can be planted. 2. The number of plants per hectare is 240 to 330, with 10% to 20% pollination trees. 3. Fertilizer and water management: mainly based on organic fertilizer, ≥ 2t per year of fertilized organic fertilizer per hectare. 4. Trimming: Use short cut, thin branches and other methods to trim, cultivate the crown of the happy shape and the main sparse layer to ensure ventilation and light transmission. 5. Environmental and safety requirements: The use of pesticides, fertilizers, etc. must comply with relevant national regulations and must not pollute the environment. Fourth, fruit harvesting Harvesting period is from late August to early October, it is advisable to pick fruit after drying in non-rainy days. Five, quality characteristics Sensory characteristics: the nuts are dark brown or reddish brown, the skin is thin and oily, very little hairy, meaty egg yolk, fine meat, sweet flavor; raw food crispy and sweet, cooked and aromatic. The single grain weighs 11 to 15 grams. 2. Safety and other quality technical requirements: Product safety and other quality technical requirements must comply with relevant national regulations.

Apply to：
The producers within the scope of the production of oil chestnuts may apply to the Guangdong Provincial Quality and Technical Supervision Bureau of Fengkai County for the use of the “Special Marks for Geographical Indication Products”, which shall be reviewed by the Guangdong Provincial Bureau of Quality and Technical Supervision and submitted to the AQSIQ for approval. announcement.