| As | Cd | Cr | Cu | Pb | Ni |
大关根际15厘米 | 0.640 | 0.000 | 0.950 | 5.710 | 3.030 | 0.740 |
镇雄根际15厘米 | 1.430 | 0.030 | 1.260 | 0.650 | 1.720 | 0.450 |
盐津根际15厘米 | 1.240 | 0.040 | 0.840 | 0.820 | 2.480 | 0.000 |
彝良根际15厘米 | 0.000 | 0.000 | 2.970 | 4.310 | 1.250 | 1.970 |