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A: First of all, we must pour enough water. Keeping the soil moist can not only protect against drought, but also prevent drastic changes in soil moisture, so that fruit trees will not be affected by freezing. Second, we must do a good job of antifreeze. Grape seedlings and apple, pear and other finished seedlings must be buried to prevent cold, and the buried thickness can not be less than 10 cm. For the finished product seedlings, brush whitening agent or tying grass can be used to prevent the cold, and if the tree body is smaller, it is better to use the soil to prevent cold.