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本文记述了甘南县松毛虫发生防治概况,对应用飞机低量喷洒生物制剂灭幼脲防治松毛虫所取得的经济效益、生态效益、社会效益进行了分析。
This article describes the occurrence and control of pine caterpillars in Gannan County, and analyzes the economic benefits, ecological benefits and social benefits obtained from the application of low-level spraying of biurets by plane to control pine caterpillars.