I. Timely irrigating frozen water The entire growth process of garden trees is inseparable from water. Although the amount of evaporation is small in winter and the water requirement is relatively small, it affects the cold resistance of garden trees and their growth and development in the following year. Therefore, at the beginning of November, trees, especially newly planted trees, should be filled with water once. After the irrigation, pile up the earth at the base of the trees. This not only supplies the water needed by the tree itself, but also improves the cold resistance of the tree. Second, fertilization after the autumn treetops to stop growing, the roots once again appeared a growth peak. Therefore, in the late fall and winter, depending on the age of the tree and the length of the planting time, apply some organic fertilizer or chemical fertilizer appropriately, and infiltrate the fertilizer so as to promote new roots and increase tree vigor so as to lay a good foundation for the growth of trees in the following year. Third, the plastic trimming According to the growth characteristics of trees, the dead branches, weak branches, pests, branches and other cut off together, and the growth of excessive branches to appropriate retraction, in order to improve the ventilation and light conditions inside the crown, cultivating the ideal Tree shape. For larger wounds, use drugs for disinfection. Fourth, the trunk painted white winter trunk whitening can reduce the positive side of the bark due to large temperature difference between day and night, but also to eliminate the winter in the cracks in the bark. The whitening agent is formulated with 10 parts of quicklime, 1 part of salt, 1 part of sulfur powder and 40 parts of water. V. Cleaning up weeds, deciduous weeds, and fallen leaves are not only wintering sites for certain pests and diseases, but also prone to fire in the dry and windy winter. Therefore, the weeds and leaves in the green land should be cleaned up and disposed of in a centralized manner, which eliminates the source of diseases and pests and eliminates fire hazards. VI. The removal of dead trees will result in the death of some trees due to tree ageing, pests, and man-made damages, destroying the overall landscape, making use of spare time to remove those irrecoverable trees as soon as possible and supplementing them with the same specifications. Seedlings.
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