大棚瓜菜冬春季节时常遭受寒流。连阴、雨雪、大风等灾害的侵袭，应及时采取相应的管理措施。任冒天面理措施遇到降雪要充盖一层苇毛苫，再盖一层稻草苫。雪停后立即清除积雪，防止积雪融化，确保覆盖物干燥，以利保温。天气开始转暗时，慢慢揭去覆盖物，以利透进阳光。若连续 Greenhouse vegetables winter season often suffer cold. Even Yin, snow, wind and other disasters, the invasion should be promptly taken to the corresponding management measures. Any measures to counter the snow encountered snowfall to cover a layer of reed hair, then cover a layer of straw 苫. Snow cleared immediately after the snow stopped to prevent the melting of snow to ensure that the cover is dry, to facilitate heat preservation. When the weather began to dim, slowly remove the cover, in order to facilitate the sun. If continuous