An interference index of population control (IIPC) was constructed to evaluate the effect of plant extracts.
并应用干扰作用控制指数(IIPC)作为评价指标来评价植物抽提物的作用效果。
The interference index of population control, IIPC was used to evaluate the control effect of Avermectins, Yasimie and Yasimiejin on peach-aphid.
应用干扰作用控制指数法评价了阿维菌素、蚜虱灭、蚜虱蓟净等杀虫剂对桃蚜种群控制的作用。
The active factor life tables of BPW natural population were constructed. The controlling effect of active factors was evaluated by using exclusion index of population control (EIPC).
组建了以作用因子为组分的夏季自然种群生命表，并运用排除作用控制指数法分析了各种因子对假茎象甲自然种群的作用。
The index of population trend in treatment of spraying chemical insecticides was 7.20, The index of population trend would increase in 1.43 times against that in control.
施用化学杀虫剂的种群趋势指数（）为7.20，干扰作用控制指数为1.43，即种群趋势指数将增长为对照的1.43倍。
Rodent's food habit is an important component in the study of population ecology, and also, a reference index commonly used in constituting rat pest control strategies.
啮齿动物的食性是种群生态学的重要组成部分，也是制定鼠害防治策略的常用参考指标。
Rodent's food habit is an important component in the study of population ecology, and also, a reference index commonly used in constituting rat pest control strategies.
啮齿动物的食性是种群生态学的重要组成部分，也是制定鼠害防治策略的常用参考指标。
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