近两年来、大棚蔬菜作为一种高产高效农业,在我国得以飞速发展,而用塑料大棚种植蔬菜,由于密闭保温,通风不良,很容易遭受有害气体的危害,轻者影响蔬菜的正常生长,重者甚至会使全棚蔬菜一夜间枯萎死亡,为使广大菜农都能及时有效地防治气害,种好蔬菜,现将大棚蔬菜气害的主要种类及预防方法介绍如下,愿 In the recent two years, greenhouses and vegetables as a kind of high-yield and high-efficiency agriculture have developed rapidly in our country. However, vegetables grown in plastic greenhouses are easily endangered by harmful gases due to airtight insulation and poor ventilation. The light vegetables affect the normal growth and weight Even the whole house will be withered and died of vegetables overnight. In order to enable most vegetable farmers to timely and effectively prevent gas and plant vegetables, the main types of greenhouse gas and prevention methods are as follows