Insecticide use could be reduced if dose recommendations move from a toxicological perspective (how much is needed to kill an insect pest) to an ecological perspective (how much is needed to protect a crop).

中文翻译：

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农药剂量必须遵循生态原则。

如果剂量建议从毒理学角度（杀死害虫需要多少）转向生态学角度（保护作物需要多少），则可以减少杀虫剂的使用。