一、常见气害类型1.氨气中毒:温室大棚使用未经充分腐熟的有机肥(如堆肥、圈肥、饼肥等)或者使用大量的尿素、碳铵等无机肥料后,肥料在发酵过程中会产生高温,进而产生氨气,氨气会从蔬菜叶片气孔侵入细胞,破坏叶绿素,造成叶片干枯。高浓度的氨还会使蔬菜的叶绿素分解,叶脉间出现点、块状黑褐色伤斑;严重时叶片下垂,表现萎蔫状态。 First, the type of common gas and gas 1. Ammonia poisoning: greenhouses using inadequately decomposed organic fertilizer (such as compost, circle fertilizer, cake, etc.) or use a lot of urea, ammonium bicarbonate and other inorganic fertilizers, the fertilizer will be in the fermentation process will Produce high temperature, and then produce ammonia, ammonia gas will enter the cell stomata from the leaves of vegetables, destroy chlorophyll, causing leaves dry. High concentrations of ammonia will also make the chlorophyll decomposition of vegetables, veins appear between points, massive dark brown spots; severe drooping leaves, showing wilting state.