近年来,江油县陆续建设起火电、冶金、化工等厂矿30余个,每年排放废气达7136万米~3,影响厂区附近植物的生长、发育.为了解该区经济林木对大气污染受害的状况,于1980—1981年,对厂区外周围约100公里范围植物受害的程度,受害范围进行了调查研究.一 调查的内容和方法1、调查植物种类:油桐、核桃、慈竹、桑、乌桕、千丈、二球悬铃木、柏木、桤木、红桔、苹果、梨等. In recent years, more than 30 factories and mines, such as thermal power, metallurgy and chemical industry, have been built in Jiangyou County, with annual discharge of 71.36 million m 3, affecting the growth and development of plants in the vicinity of the plantation.To understand the status of economic forest damage to air pollution , From 1980 to 1981, conducted a survey on the extent of the plant damage and the extent of the damage about 100 km outside the plant area.A survey of the contents and methods 1, the investigation of plant species: tung tree, walnut, cicadas, mulberry, , Thousands of feet, two ball plane Suzuki, cypress, alder, red orange, apple, pear and so on.