Answer: Buried method. The method of burying the ground is to gently overwhelm the tree and lay it flat on the ground. Bunch a bunch of straw rope and directly cover the soil with a thickness of 40 cm. The overwhelming tree body is the degree, and the main and side branches are bound to the center trunk and placed in the trench to cover the soil, and the soil thickness is preferably 20 cm higher than the ground. The burial method is only suitable for young trees of 1 to 2 years old. The trunk is painted white. 30 parts of water, 9 parts of quick lime, 1.5 parts of stone sulfur mixture stock solution, 1.5 parts of table salt, 0.5 parts of animal and vegetable oils, and 1 part of tree guard general were used to make white paint brushed trunks. In addition, the frozen water should be irrigated once before the soil freezes, about mid to late November, which can increase the cold resistance of the tree and reduce the occurrence of stripping and freezing damage.
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