摘要
以文献资料法研究了滨州市蝗虫灾害历史 ,分析了蝗灾成因 ,重点研究了 2 0世纪 90年代以来蝗虫发生变化的新特点 ,探讨了蝗虫发生频率增高的原因 。
The history of locust disasters in Binzhou City has been studied with the method of literature research,the causes of their formation have been analyzed,the new changing characteristics of locust have been emphatically studied since 1990,and the causes have been explored of increasing frequency of locust disasters.In addition,the countermeasures for controlling and preventing locust disasters have been put forward.
出处
《滨州师专学报》
2002年第2期88-93,共6页
Journal of Binzhou Teachers College
关键词
滨州市
蝗灾历史
防治对策
农业生物灾害
成灾原因
Binzhou City
history of locust disasters
changing characteristics of locust disasters
cause of formation
countermeasures for control and prevention