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夏天蔬菜瓜果丰富,大多数人喜欢生食,因为它们含有丰富的维生素、无机盐和微量元素。但由于环境污染、农药污染和某些蔬菜瓜果固有的毒性物质,在特定的条件下也会对人体造成危害。蔬菜瓜果受环境污染的途径很多:有来自水源的,如化工厂、造纸厂等工矿企业排放的工业废水对水源的污染。用其浇灌
Summer fruits are rich in fruits and vegetables, and most people like raw food because they are rich in vitamins, inorganic salts and trace elements. However, due to environmental pollution, pesticide pollution and certain vegetables and fruits inherent toxic substances, under certain conditions, will cause harm to human body. There are many ways in which vegetables and fruits are polluted by the environment: there are industrial wastewater from industrial sources, such as chemical plants and paper mills, that pollute water sources. Use it for watering