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油松是我县的主要用材树种。55万亩纯林中有12万亩多年遭受松毛虫的危害,对我县宝贵的森林资源威胁极大。建国以来,我们广泛发动群众,采用人工与药械、地面与空中相结合的方法,反复除治,收效很大,但至今尚未根除,部分地块虫害仍很严重。我们在新集公社言前峪大队进行了塑料薄膜绑缚油松树于防治松毛虫的试验,初步收到显著效果,兹将做法和体会介绍如下:
Pine is my county’s main timber species. 55 million mu of pure forest in 12 million mu for many years suffered the damage of pine caterpillars, the great threat to my valuable forest resources. Since the founding of the People’s Republic, we have mobilized the masses extensively. We have adopted the combination of manpower and medicine, ground and air, repeatedly eliminating and controlling diseases, and have achieved great success. However, we have not eradicated so far and some pests are still very serious. We in the new set of communes Yanqianyu brigade conducted a plastic film tied pine trees in the prevention and control of pine caterpillars, the initial receipt of significant results, we will practice and experience are described below: