河北省塞罕坝机械林场位于围场县北部,经营面积144.26万亩,已成林90万亩,是华北地区最大的人工林场。近几年,随着林木的生长病虫害也随之而来。为了防患于未然,1988年11月4至5日,在石家庄市召开了“塞罕坝机械林场森林病虫害系统治理”论证会。在省林业厅王绪捷总工程师主持下,成立了以肖刚柔先生为首的论证委员会。会议期间李兴源、王育仁正副厅长和 Hebei Province, Saihanba mechanical forest farm is located in the north of the yard County, the operating area of ​​144.26 hectares, has become a forest 900000 acres, is the largest in North China artificial forest farm. In recent years, pests and diseases have followed along with the growth of trees. In order to take preventive measures, in November 4, 1988 to 5, held in Shijiazhuang City, “Saihanba mechanical forest forest pests and diseases management system” demonstration. Under the chairmanship of chief engineer Wang Xujie, the provincial forestry department, an argument committee headed by Xiao Gangruo was established. During the meeting, Li Xingyuan, Wang Yuren, deputy director and