The results s howed that the ad-sorption of Pb and Hg by cole is in order of root>stemand leaf,but the adsorption of Cd by cole was in order of stem and leaf >root.

• 结果表明,重金属Pb、Hg在油菜体内不同部位的分配规律为根>茎、叶,而Cd在油菜体内不同部位的分配规律为茎、叶>根。