The ancient chestnut garden at the junction of the two towns of Zhuozhou and Chenlou covers an area of ​​more than 1,000 mu. The owner has about 10,000 chestnut trees and is about 300 years old. There are many ancient trees, and the age of the trees is rare in the country. The core area of ​​Gu Liyuan is located in the alluvial belt of Laojiao River, covering an area of ​​1,660 mu, including nearly 500 mu of Dagu Village in Chenlou Town. It is the oldest ancient chestnut garden in the city. One said that it was planted in the Ming and Qing Dynasties; At present, there are more than 3,000 ancient chestnut trees in the park for more than 300 years; more than 3,600 trees over 200 years; more than 4,000 trees in more than 30 years; and more than 10,000 small chestnut trees, all of which are solid chestnuts. Together with the scattered small chestnut gardens of different towns and villages, the total area is over 10,000 mu.

Zhangzhou chestnut quality technical requirements 1, variety Chen Guo No. 1, gun car No. 2, nine species, red. Second, the site conditions soil type is brown fluvo-aquic soil, loose texture, good permeability, soil organic matter content ≥ 1.2%, soil pH value of 5 to 7. Third, cultivation 1. Seedling breeding: The scion is collected from the superior plant mother tree of the good seed garden, and the chestnut seedlings are used as rootstocks for grafting and breeding. Newly built gardens must use grafted seedlings. 2. 3. Fertilization: Adult plants with organic fertilizer ≥ 60kg 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. Fourth, harvesting harvest time harvesting index Chenguo No. 1 in mid-September, the top of the jacking cracked more than 60% of the gun car No. 2 in early September, the top of the roof cracked up to 60% more than nine species in mid-September, the top of the roof cracked up to 60 More than 100% of the red ones in September, the top of the roof cracked more than 50%, the quality characteristics 1. Sensory features: the fruit shape is neat and full, the skin is purple-brown and shiny, and the cooked meat is fine and sweet. 2. Note: Soluble solids are measured values ​​after 20 days of harvest. 3. Safety and other quality technical requirements: Product safety and other quality technical requirements must comply with relevant national regulations.

Apply to：
Producers within the scope of Zhangzhou chestnut production area may apply to the Quality and Technical Supervision Bureau of Zhangzhou City, Jiangsu Province for the use of the “Special Mark for Geographical Indication Products”, which shall be reviewed by the Jiangsu Provincial Bureau of Quality and Technical Supervision and announced to the General Administration of Quality Supervision, Inspection and Quarantine for approval. The inspection mechanism of Zhangzhou chestnut is selected by the Jiangsu Provincial Bureau of Quality and Technical Supervision in the inspection institutions that meet the qualification requirements.