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我国北方冬季寒冷,为了使专业户朋友们栽的葡萄能安全越冬,下面介绍几种冬季防寒的具体做法。 1、掌握好防寒时期。由于各地气候条件不同,防寒时期早晚也不相同。北方各省(区)大体在10月份就都进入了防寒期,最晚地方约在11月上旬。总的原则是在土壤上大冻前结束防寒工作,不可过晚;但也不宜过早,以免地温过高芽眼被“烧热”捂坏。 2、防寒方法。因为各地用的防寒覆盖材料不同,其采用的方法也不一样。常用的方法有:地面埋土防寒,挖沟防寒,塑料薄膜防寒、冰冻防寒等。
Winter in northern China is cold, in order to enable professional households friends planted grapes can be safe wintering, the following describes several specific winter cold. 1, master the cold period. Due to the different climatic conditions, the cold-proof period is different from morning to evening. The northern provinces (districts) have generally entered the cold period in October, the latest place is about early November. The general principle is to end cold work before freezing in the soil, not too late; but it should not be too early so as not to overheat the bud eye is “hot” cover it. 2, cold method. Because of the different parts of the cold cover with different methods used are not the same. Common methods are: buried cold ground, trench ditch cold, plastic film cold, cold and so cold.