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1.Temperature
Walnut trees have requirements for temperature, light, terrain, soil, etc. In terms of temperature, walnut trees are sun-loving species, and the suitable ambient temperature is 13 to 17°C. If the ambient temperature is too low, especially when the temperature drops to -5°C in winter, the saplings and branches will be damaged.
2. Soil Walnut trees do not have high soil requirements. They can grow well in common purple soil, brown soil, red soil and other soils. When planting saplings, you should try to keep the soil moist and choose fertile soil with high organic matter content. Thick sandy loam soil.
3. Lighting
Walnut trees are light-loving trees, and light is very important for their growth. Generally speaking, normal growth and development of walnut trees requires more than 2,200 hours of sunshine throughout the year; if there are less than 1,500 hours of sunshine throughout the year, it will lead to stunted growth of the walnut trees and low walnut fruiting rate.
4.Topography
Walnut trees have higher requirements for terrain. Generally, walnut trees on sunny slopes or semi-sunny slopes have better fruiting performance than walnut trees growing on shady slopes. Walnut trees on middle and lower slopes have better fruiting performance than walnut trees growing on upper slopes. Walnut trees growing in valley areas have better fruiting conditions than walnut trees growing on ridges.
The above are some key points about the planting time of walnut trees. If you master these contents, walnuts can grow better and faster.
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