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冻害对农作物尤其是油菜的损失是很大的,必须引起高度注意。但是只要政治挂帅,早做准备,认真总结群众经验,充分利用现有科学技术,广泛发动与组织群众,了解产生冻害的原因,从而及时地多方面的采取措施,也是完全可以防止的。使冬作油菜生长良好,免除冻害,实现跃进增产指标。 群众长期生产实践经验和初步观察理解,油菜产生冻害的原因可分为三种:①霜害。入冬以后,日夜温度相差很大,当气温降到0℃时,植株上面
Frost damage on crops, especially rape loss is great, must pay close attention. However, as long as politics are in command, preparations are made as early as possible, conscientiously summing up the people’s experience, making full use of existing science and technology, mobilizing and organizing the masses extensively, and understanding the causes of frost damage, timely and comprehensive measures can be completely prevented. So that the growth of winter rape is good, eliminating frost damage, to achieve leaping yield indicators. The masses of long-term production practice and preliminary observation of the understanding that the rape freeze-thaw causes can be divided into three types: ① frost damage. After winter, the temperature difference between day and night is very big, when the temperature drops to 0 ℃, the plant above