The walnut fruit is oily white, the skin is thin, large, tender and tender, the meat is sweet and mellow, and the taste is light. In 2008, Gacha Walnut won the Silver Award at the first National Walnut Conference; in 2011, it won the Outstanding Product Award at the 2nd China International Forest Products Expo. In Jiacha County, the thousand-year-old walnut trees that can be held by seven or eight people abound, and the landscape is unique.

Jiacha walnut quality technical requirements First, the varieties of local ghee walnut, iron walnut, sparrow walnut. Second, site conditions Altitude 3150 to 3600m. The texture is sandy soil, the soil organic matter content is ≥1.2%, and the soil pH is 5.5 to 6.0. Third, cultivation techniques Seedling: Tin walnut, sparrow walnut, ghee walnut as rootstock, grafting and breeding; ghee walnut is used to breed seedlings. 2. 3. Fertilization: mainly based on decomposed organic fertilizer, each plant applies organic fertilizer ≥ 50Kg 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 Harvesting begins in the fifth year after planting. From late September to early October each year, the color of the green peel is from shallow to deep, and the cracked fruit is harvested after reaching 70%. Five, quality characteristics Sensory features: thin skin, large, fleshy, tender, fleshy, fleshy and sweet, with a light taste. 2. 3. 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 walnut production area may submit an application to the Quality and Technical Supervision Bureau of Shannan District of the Tibet Autonomous Region for the use of the “Special Mark for Geographical Indication Products”, which shall be reviewed by the Quality and Technical Supervision Bureau of the Tibet Autonomous Region and reported to the General Administration of Quality Supervision, Inspection and Quarantine for approval. The testing agency for the Canadian walnut is selected by the Quality and Technical Supervision Bureau of the Tibet Autonomous Region in the testing institutions that meet the qualification requirements.