The results indicated that EDTA added into soil could decrease Cadmium content in rice grain significantly, but citrate and malate acids affected Cadmium content in rice grain insignificantly.

• 结果表明，添加乙二胺四乙酸(EDTA)处理可明显抑制水稻对镉的吸收，即水稻籽粒中镉含量明显降低；而用柠檬酸和苹果酸处理时，对水稻籽粒中镉含量影响不大。