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倒春寒是冬小麦常见的一种自然灾害,近几年发生频繁,已经严重影响了小麦的高产稳产。随着气温逐渐回暖,小麦从南到北陆续进入返青拔节期,科学预防和应对倒春寒成了当前小麦生产的首要任务。文章介绍了倒春寒的危害特征,分析了冬小麦遭遇倒春寒形成冻害的原因,提出了详细的防御措施,对小麦生产起到了一定的指导作用。
In late spring cold winter wheat is a common natural disaster, frequent occurrences in recent years, has seriously affected the high and stable yield of wheat. As the temperature gradually warmed, wheat from south to north gradually entered the jointing stage of returning to green, scientifically preventing and responding to the late spring cold became the primary task of the current wheat production. This article introduced the peculiarities of the late spring cold, analyzed the reasons why the winter wheat suffered frostbite in the late spring and put forward the detailed defensive measures, which played a guiding role in the wheat production.