Walnut trees are suitable for growing in mountainous and hilly areas with an altitude of 400- 1800 meters. They are warm, frost-free, fertile and moist sandy loam, and are suitable for planting in neutral sandy soil and loam with abundant sunshine and good drainage. At the same time, it adapts to the ecological environment with deep and loose soil, fertile and moist soil and cool climate.

Overcohesive soil and barren soil are not conducive to growth, and are common in places with deep soil layers on both sides of the valley. The flowering period is May and the fruiting period is 65438+ 10.

Extended data:

1, the use of walnut trees

(1) Walnut has magnificent crown, white trunk, lush foliage and cool ground, which can be used for road greening and protection in gardens. ?

(2) Walnut is tough, elastic, fine in texture and beautiful in color, and is an excellent material used in military and furniture industries.

(3) Walnut shell can be a good work of art, beautiful, hard and not easy to deteriorate.

(4)? Carya cathayensis, also known as Juglans mandshurica, bark and leaves can be used as medicine, which has the function of clearing away heat and toxic materials.

2, the efficacy of walnut bark

(1) Sterilization and antipruritic: Mash the freshly picked bark of walnut tree to get juice, and then apply it to the affected part of the skin. The bark of walnut tree is boiled with clear water, and the affected part of the skin is cleaned with the liquid medicine produced by boiling.

(2) Improve immunity: Walnut bark has a good effect on improving human immunity, because walnut bark contains a lot of lysine, which can increase the content of serum albumin in blood, purify blood and reduce the deposition of various viruses in blood, thus obviously improving human immunity.

(3) Treatment of beriberi: Walnut bark can be used to treat beriberi, such as tinea capitis, psoriasis and skin eczema.

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