The visible symptoms damages of artificial acid rain and its effect on the content of chlorophyll stomatal aperture POD activity and membrane permeability of leaf in cowpea ( Vigna sinensis Savi ) were studied with a field artificial acid rain system .

采用田间酸雨 喷淋系统，研究了模拟酸雨对豇豆（ VignasinensisSavi）叶片可见伤害、叶绿素含量、气孔开度、过氧化物同工酶活性、细胞膜透性的影响 。