吉林省龙井县智新松焦油厂生产的“腐必清”农药,是以松树根为主要原料,经干馏加工、精制提炼而成。对林木树皮上的多种病原真菌有强力的杀灭作用,并且对树皮病组织有很强的渗透力,同时还具有抗雨水冲刷、性质稳定、促进树皮形成愈伤组织等优点。 Jilin Province Longjing County Zhixin Song tar factory production of “rot Bi Qing” pesticides, pine root is the main raw material, the distillation process, refined extracted. On the tree bark on a variety of pathogenic fungi have a strong killing effect, and the bark of the tissue has a strong penetration, but also has resistance to rain erosion, the nature of stability, and promote the formation of callus bark and so on.