Accumulation coefficients of different crops is in following order: Astragalus sinicus>Oryza saliva>Glycine max>Hordeum vulgare>Zea mays>Triticum oestivum.

• 不同农作物对镉的吸收程度不同，富集系数为紫云英＞水稻＞大豆＞大麦＞玉米＞小麦。