近年来,随着农业产业结构的调整和优化,设施无公害蔬菜生产规模不断扩大,成为农民增产增收的主要途径和农村经济发展的支柱产业。然而,由于设施环境常常处于密闭状态,空气流动比较困难,常常会造成有害气体的积累,导致设施蔬菜产生中毒症状,甚至死亡。对设施无公害蔬菜生产造成严重影响。因此,了解掌握设施无公害蔬菜生产中有害气体 In recent years, with the adjustment and optimization of agricultural industrial structure, the scale of production of pollution-free vegetables in facilities has been constantly expanded, becoming the main way for farmers to increase production and income and the pillar industries for rural economic development. However, as the environment of the facilities is often confined, the flow of air is more difficult and the accumulation of harmful gases is often caused, resulting in symptoms of poisoning and even death of the facilities vegetables. Serious impact on the production of pollution-free vegetables in facilities. Therefore, understand the harmful gas in the production of pollution-free vegetables in facilities