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1、加强覆盖,保暖防冻。露地蔬菜可覆盖稻草或遮阳网、塑料薄膜等,以阻隔冰霜,提高地温,预防冻害。如对在园的莴笋、菠菜、白菜苔、红菜苔、芹菜、大蒜、春包菜、大白菜等进行棚膜或遮阳网覆盖,防止菜叶冻坏,雪后还应及时扫除棚膜或遮阳网上的积雪。2、大棚蔬菜生产上,一是加固棚室,防大风掀膜,及时清除积雪,防止积雪压塌棚室。二是可在大棚内加盖小拱棚,夜间覆盖薄膜,在薄膜上覆盖草苫。大棚裙脚加盖塑料薄膜作围裙,可以减少底部的冷空气侵袭。三是可在棚室内安装电灯,在阴雪天光照弱的情况下,
1, to enhance coverage, warm antifreeze. Exposed vegetables can be covered straw or shade net, plastic film, etc., to block the frost, improve ground temperature, prevent frost damage. Such as the lettuce in the garden, spinach, cabbage moss, red cauliflower, celery, garlic, spring cabbage, cabbage and other greenhouse film or shade net cover to prevent frostbite leaves, snow should be promptly removed after the film or Shading net of snow. 2, greenhouses vegetable production, one is to reinforce the shed room, anti-wind tympanic membrane, timely removal of snow, snow cover to prevent collapse. Second, small shed can be affixed in the shed, covering the film at night, covered in film Meadow. Greenhouses skirts covered with plastic film for the apron, you can reduce the bottom of the cold air invasion. Third, it can be installed in the shed light room, in the dark sky and snow conditions,