This article depicts hazard mechanism of cadmium to plant and human, main sources of cadmium in soils, and investigations on cadmium pollution in city-outskirts and around mines.

• 本文阐述了重金属镉对植物和人体危害的机理,描述了土壤镉的主要来源,并开展了城郊及矿山周围土壤镉污染现状调查。