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每年的冬春两季气温较低,在果树的管理上必须注意防御冻害。其方法大致有三种:物理法、生态法和化学法。物理防御法物理防御法就是在冬春季节对果树直接进行包裹等防御冻害的方法。
Winter and spring each year the temperature is low, in the management of fruit trees must pay attention to prevent frost damage. There are basically three ways: physical, ecological and chemical methods. Physical defense law Physical defense law is the winter and spring fruit trees directly wrapped and other frost damage prevention methods.