农作物病虫测报,是以生态学,数学为主体的一门综合性的科学。测报工具和方法是测报工作中的主要项目。测报工具是否先进,方法是否科学,则是反映测报工作质量好坏,技术水平高低的一个重要标志。因此,近几十年来,特别是本世纪七十年代,国内外对测报工具的改革,测报方法的改进 Crop pest forecasting is based on ecology, mathematics as the main body of a comprehensive science. Forecasting tools and methods are the main items in the survey. Whether the reporting tool is advanced and whether the method is scientific is an important indicator of the quality of the survey work and the level of technology. Therefore, in recent decades, especially in the seventies of this century, both at home and abroad, the reform of reporting tools and the improvement of reporting methods