节能型日光温室是利用我国西北地区冬季的光热资源和时间空间,进行反季节蔬菜生产的高产高效农业生产方式。由于陇东地区冬季气候严寒而漫长,特别是突然袭来的寒流及持续3～6d的阴雪天气造成的寒害,对日光温室反季节蔬菜生产和区域经济发展构成了严重障碍。因此,对寒害这种灾害 Energy-saving solar greenhouse is the use of light and heat resources and space in winter in northwestern China, anti-season vegetable production of high yield and efficient agricultural production. Due to the cold and long winter climate in Longdong area, especially the sudden cold surge and cold and snow damage caused by 3 ~ 6 days of cloudy and snowy weather, it posed a serious obstacle to the anti-seasonal vegetable production and regional economic development in solar greenhouse. Therefore, this disaster of cold damage