Chemical control - using chemical pesticides to control pests.

化学防治——利用化学杀虫剂来防治害虫。

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ObjectiveTo develop high efficient water based insecticide to control pests.

目的为防治广谱抗性害虫，研制行之有效的水基杀虫剂。

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Some plants would control pests and soil quality naturally, and humans helped by rotating their crops; if extra fertilizer was needed, manure usually filled in.

一些作物本身就具备防治病虫害、保持土壤肥力的功效，人类辅以轮种；即便需要添加一些肥料，大多用的是人畜粪便。

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Many wineries rely heavily on chemicals to control pests and manage the vineyards.

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To investigate, scientists looked at two common pesticides: neonicotinoids, which are used to control pests on oil seed rape and other crops, and a group of organophosphate chemicals called coumaphos, which are used to kill the Varroa mite, a parasite that attacks the honey bee.

BBC: Neonicotinoid pesticides 'damage brains of bees'

It's native to Asia, and scientists breeding it as a control for agricultural pests released it in the southern US and southern Europe.

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