冬小麦越冬期间,受0℃以下低温或剧烈温度变化造成死苗为冻害。为减少冻害,这里向农民朋友介绍四种方法: 1.冬季浇尿 从立冬到春分,把积赞的人粪尿直接泼浇在麦垄内,不仅对防冻害有明显作用,而且具有补氮效果,试验表明,每亩以500—800公斤为宜。盐碱地不适浇尿,麦田有积雪或遇霜冻时不要浇尿,否则会加重冻害。 Winter wheat during winter, by 0 ℃ below the low temperature or severe temperature changes caused by dead seedlings frost damage. To reduce frost damage, here are four ways to introduce farmers friends: 1. Winter watering from the winter to the spring equinox, Zuzan manure directly sprinkled poured in the wheat ridge, not only has a significant role in frost damage, but also with nitrogen Effect, test shows that 500-800 kg per mu is appropriate. Saline alkali discomfort water, wheat, snow or frost not to pour water, otherwise it will aggravate the frost damage.