A: Pay attention to changes in the weather, strengthen tree protection and pay close attention to weather changes. If the temperature drops below -20°C, it may cause freezing damage to the trees. Active use should be made of the use of waste cotton, cloth, crop straw, grass, etc. The trunk and main branches are wrapped and tied with waste agricultural film and woven bags. Conditional spray-type plant transpiration inhibitors can be added to prevent and reduce overwintering of young apple trees. After snowing, remove the snow in time to prevent the trunk from being frozen. Remove the snow from the branches and the tree discs in time to prevent the cold damage caused by sudden changes in day and night temperatures and the melting of snow and ice.
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