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我国人口众多,满足人们对粮食和瓜菜的需求成了首要问题。为了提高土地的出产率,我国普遍使用农药化肥,但过量使用又造成了环境污染,并危及粮食安全。
The large population in our country and the satisfaction of people’s demand for food and vegetables are paramount. In order to increase the productivity of land, pesticides and fertilizers are commonly used in our country, but excessive use has caused environmental pollution and endangered food security.