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冻害是树木因受低温伤害而使细胞和组织受伤。冻害对树木危害很大,甚至造成树木死亡。现阐述了冻害的类型和预防措施。
Frost damage is caused by cold damage to the trees and cells and tissues. Frost damage to trees is very damaging, and even cause trees to die. Now describes the type of frost damage and preventive measures.