The interference index of population control,IIPC was used to evaluate the control effect of Avermectins,Yasimie and Yasimiejin on peach-aphid.
用干扰作用控制指数法评价了阿维菌素、虱灭、虱蓟净等杀虫剂对桃种控制的作用。
The interference index of population control,IIPC was used to evaluate the control effect of Avermectins,Yasimie and Yasimiejin on peach-aphid.
用干扰作用控制指数法评价了阿维菌素、虱灭、虱蓟净等杀虫剂对桃种控制的作用。
In this paper,we study the permanence of populations of a competing chemostat model in a polluted environment.Population control is also dealt with for the model without inter species competitionin.
讨论了污染的竞争恒化器模型的永久持续生存性,当种有种内竞争时考虑了种的控制问题。
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