蔬菜在育苗期间遇到阴雪天怎么办北方地区在早春期间育苗常有寒潮的侵袭，做好这个时期的防寒措施，是育苗能否成功的关键。碰到连续阴天气温下降时，应尽量多揭帘子，使秧苗有一定的见光时间，不要几天不揭帘子，因为幼苗在黑暗中，体内养分消耗大，时间长了叶绿素就会消... Vegetables encountered in the snow and snow during nursery how to do? The northern region during the early spring nursery often cold wave invasion, cold well measures this period, is the key to the success of nursery. Exposure to continuous cloudy days when the temperature drop should be as much as possible to expose the curtain so that seedlings have a certain light time, do not expose the curtain a few days, because seedlings in the dark, the body consume nutrients, a long time will eliminate chlorophyll. ..