论文部分内容阅读
东亚飞蝗是对我国农业生产造成严重为害和损失的重要害虫,历来与水灾、旱灾并列为三大自然灾害。20世纪30～40年代,我国东亚飞蝗年发生
East Asian locust is an important pest that causes serious damage and loss to agricultural production in our country. It has always been tied with floods and droughts as three major natural disasters. From the 30s to the 40s of the 20th century, the locusts of East Asia migrated in our country