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“两查两定”是广大群众同病虫害作斗争的经验总结,是群众性测报的组成部分.“两查两定”就是查病虫发生时间,按防治时机,定防治适期;查病虫发生数量,按防治标准,定防治对象田.实践证明,“两查两定”具有防治时间准,防治对象田明确,使用农药经济合理等优点,是因地制宜地防治病虫的有效办法.因此,“两查两定”在推广应用中,深受广大群众欢迎. (一)“两查两定”药治病虫的意义“两查两定”药治病虫,是实现因地制宜防治病虫和协调各种防治措施的重要手段,是综合防治的重要内容.通过“两查两
“Two checks and two determinations” are the summary of the masses’ experiences in fighting pests and diseases and are an integral part of mass measurement and reporting. The number of occurrence, according to prevention and control standards, set the field of prevention and control.Practice has proved that “two check two set” with the control of time quasi-control field clear, the use of pesticides and other economic advantages, is an effective way to prevent and control pests and diseases.Therefore, “Two investigations and two determinations” are popularized and popularized in the popularization and application by the general public. (1) The Significance of “Two Investigations and Two Dealers” in Treating Diseases and Pests “Two investigations and two determinations” for the treatment of pests and diseases are to prevent and control pests and diseases according to local conditions Coordination of various means of prevention and control is an important means of comprehensive prevention and control. Through the "two check