广西土壤重金属镉污染及对人体健康的危害

摘要

In recent years, with the increase of industrial wastes and sewage irrigation, Guangxi soil cadmium pollution problem is becoming more and more serious, and excessive cadmium in the soil can produce toxic effects on crops� What's worse, the edible portion with residues will endanger human health through the food chain� The paper introduces the source of cadmium pollution in soil, the distribution of cadmium pollution in China and the present research situation of Guangxi soil cadmium pollution, analyses the harm caused by cadmium pollution to the food chain and to human body and also proposes several suggestions according to the above analyses.%近年来，随着工业三废排放和污水灌溉的增多，广西土壤镉污染问题日益严重，而土壤中过量的镉会对作物产生毒害作用，尤其是在可食部分的残留将会通过食物链危害人类的健康。本文介绍了土壤镉污染的来源、中国主要镉污染的分布以及广西土壤镉污染的研究现状，分析镉污染对食物链及对人体健康的危害，并针对土壤镉污染提出几点建议。