元素 | 统计结果 |
| 农用地筛选值 [9] | 背景值 [7] | ||||
含量范围 | 中值 | 平均值 | 变异系数 |
| 水田/果园 | 其他 | ||
Pb | 7.8~47.8 | 17.50 | 19.87 | 33% | 140 | 120 | 27 | |
Cd | 0.02~0.36 | 0.08 | 0.11 | 49% | 0.6 | 0.3 | 0.12 | |
Cu | 3~66 | 23.00 | 23.82 | 37% | 200 | 100 | 28 | |
Ni | 6~59 | 36.00 | 35.67 | 23% | 100 | 100 | 37 | |
Hg | 0.01~0.492 | 0.050 | 0.06 | 66% | 0.6 | 2.4 | 0.075 | |
As | 1.88~16 | 7.31 | 7.58 | 35% | 25 | 30 | 7 | |