Walnut is mainly produced in Yunnan, Shaanxi, Shanxi, Sichuan, Hebei, Gansu, Xinjiang, Anhui and other provinces, among which Sanguan Forest Area in Bozhou City, Anhui Province is known as the largest walnut forest farm in Asia.

Walnut likes light, cold resistance, strong drought resistance and disease resistance, adapts to all kinds of soil growth, and likes fertile and humid sandy loam, but the requirements for water and fertilizer are not strict, and it is common in deep soil layers on both sides of the valley.

Walnut selection skills

1, look at the appearance

When buying walnuts, take a look at the color of the appearance of walnuts. The appearance of high-quality walnuts is pale yellow. If the appearance of walnut is too clean or too white, it means that this kind of walnut has been smoked by sulfur and it is not recommended to buy it.

Step 2 smell it

Smell the walnuts when you buy them. If the walnut smells like wood, then this kind of walnut is a quality walnut. If the walnut smells pungent, it means that the walnut has been soaked in bleaching powder or the walnut has gone bad. Don't buy this kind of walnut.