冬暖大棚是蔬菜保护栽培的主要设施,据统计,至1997年我省冬暖大棚已发展到10万hm_2,占保护地蔬菜总面积的25％。但遇强寒流或连阴天时,仍有些冬暖大棚蔬菜受冻害,由此说明,我省现有的冬暖大棚结构不合理,采光保温性能方面还存在问 Winter greenhouses are the main facilities for the protection and cultivation of vegetables. According to statistics, the warm winter greenhouses in our province had grown to 100,000 hectares in 1997, accounting for 25% of the total area of ​​protected vegetables. However, in the case of strong cold currents or even cloudy days, some winter greenhouse vegetables were still chilled. This shows that the existing structure of the winter warm greenhouse in our province is irrational, and there are still questions about the lighting and heat preservation performance.