Water the frozen water in time to pour the frozen water to the fruit trees in time before the soil freezes to fully meet the tree's demand for water. This watering is very important. On the one hand, the tree body can absorb enough water and store a large amount of water, which can effectively slow down the transpiration of water in the tree body in winter; on the other hand, due to the increase of soil moisture, it can not only improve the microclimate of the orchard, but also Reduce or avoid sapling, draining or death. For large mature trees, pouring enough frozen water is good for fruit tree germination, leaf development, flower bud differentiation, flowering and fruiting in the coming year.
Buried soil or root-neck cultivating soil for cold protection. Newly planted young trees with poor cold resistance ability can be directly pressed down directly before the soil freezes and buried with fine fluvo-aquic soil. The thickness of the soil cover on the branches is 15-20 When burying the soil, the surface layer of the soil should be smooth and firm, without air leakage; root neck soil cultivation, newly planted young trees such as seedlings, such as the seedlings are larger, the branches are thick and cannot be pressed down, you can carry out the root neck soil cultivation. This method is The fine fluvo-aquic soil surrounds the base of the root, and the mound is 30-40 cm higher than the ground. You can also cultivate a crescent-shaped soil ridge 50-60 cm high on the north side of the root to change the microclimatic conditions around the root and improve the soil. Warm, reduce freezing damage.
Clearing the snow at the root and neck. Some tree species and varieties have poor cold resistance. Once the root and neck is covered with snow for a long time in winter, the root and neck epidermis will freeze, crack, and eventually turn black, and even the entire plant will die . In this case, remove the snow at the root and neck of the trunk in time.
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