It is best to choose the dormant period of trees, and the best time is after the leaves fall in autumn and before the new leaves sprout in spring. After defoliation in autumn, the transplanted trees have small transpiration and balanced water metabolism, which is beneficial to the timely recovery of roots. In early spring, the temperature rises gradually, the soil moisture is sufficient, and the roots of trees can start to move at a lower temperature, which is beneficial to the balance of water metabolism.

The best time in North China is late autumn before soil freezing and early spring after soil thawing. Free documents. South China can choose to transplant in the growing period, preferably in the rainy season or even cloudy days. Before anti-season transplanting, water can be watered three days in advance, and the source spraying force on leaves and branches can inhibit transpiration and prevent water evaporation. Precious trees can be injected with source power in advance.

rate of survival

In medicine, it refers to the probability of survival of patients after treatment, so it is called "survival rate". Survival rate is usually expressed as percentage (%), such as 100%, 100%, etc.