摘要
蝗虫及牧草的生长发育均与草地外界环境条件有着密切的相应关系。本文利用这一原理在蝗区将草地几种牧草与主要蝗虫作为物候观察的对象 ,定期调查二者各自发育阶段及其相关性 。
Growth period of procrcation between forage and grasshopper are related relevantly Relativity between some kinds of forage and grasshoppers have beeninvestigated during period of procreation to control the grasshopper by period of phenollgical forage
出处
《青海草业》
2001年第1期45-46,59,共3页
Qinghai Prataculture
关键词
草地蝗虫
牧草
生育期
物候预测
Grasshopper
forage
period of procreation
phenological forecast
