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在蔬菜生产中,人们对生态环境问题的认识不断深化和提高,普遍注意到工业污染、农药、化肥中的硝酸盐,通过食物链进入人体,造成一定的危害,甚至会危及生命,因此人们对食品质量的要求越来越严格。有害、有毒物质对蔬菜的污染主要有两种途径:直接污染(如农药污染、大气中有毒有害气体及粉尘等)与间接污染。间接污染的途径
In vegetable production, people’s understanding of the ecological environment is deepening and increasing. It is generally noted that nitrates in industrial pollution, pesticides and chemical fertilizers enter the human body through the food chain, causing some harm and even life-threatening. Therefore, The quality requirements are more and more strict. Harmful and toxic substances There are mainly two ways to pollute vegetables: direct pollution (such as pesticide pollution, toxic and harmful gases in the atmosphere, dust, etc.) and indirect pollution. Indirect pollution of the way