论文部分内容阅读
在农作物病虫防治工作中,综合防治愈来愈被人们广泛接受,但是基层植保站的病虫测报工作还没有达到综防的要求,还是实行“二查二定”。建议农作物病虫测报应改“二查二定”为“四查二定”,并看天敌数量定防治指标。 生物防治是综合防治的一个重要方面,所以我们在病虫测报中不仅要查害虫发生
In crop pest control work, comprehensive prevention and control is more and more widely accepted by people, but pest and disease detection at the grass-roots plant protection station has not yet reached the requirement of comprehensive prevention or implementation of the “two check and two”. It is suggested that the report of pests and diseases of crops should be changed to “two check and two set” as “four check and two set”, and the number of natural enemies should be given prevention and control targets. Biological control is an important aspect of comprehensive prevention and control, so we not only have to check pests in pests