保护地蔬菜栽培中，由于棚室内通风较差，一些有害气体易在室内积累，严重时会产生气害，而影响蔬菜的产量和品质。据笔者近年来的调查发现，常见的温室大棚气害有以下几种。一、氨气为害１、症状氨气中毒是保护地最常见的一种生理性病害，主要为害蔬菜的叶片和花。叶片受害时 Protected vegetable cultivation, due to poor indoor ventilation studio, some harmful gases easily accumulated indoors, serious gas will produce, and affect the yield and quality of vegetables. According to the author’s investigation in recent years, the common greenhouse gas greenhouse has the following. First, the ammonia damage 1, the symptoms Ammonia poisoning is the most common protection of a physiological disease, the main damage to the leaves and flowers of vegetables. When the leaves damage