地质背景对土壤微量元素的影响——以渝北地区为例
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严明书, 黄剑, 何忠庠, 鲍丽然, 罗宇洁
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The influence of geological background on trace elements of soil, A case study of Yubei area
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Ming-Shu YAN, Jian HUANG, Zhong-Xiang HE, Li-Ran BAO, Yu-Jie LUO
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| 表2 研究区土壤微量元素丰度统计mg/kg |
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| 元素 | 渝北地区 | 重庆主城区 | 全国 | | 最小值 | 最大值 | 平均值 | 背景值X0 | 背景值X1[17] | X0/X1 | 背景值X2[17] | X0/X2 | | Cl | 22.1 | 410.0 | 71.8 | 69.7 | 66.3 | 1.05 | 75.7 | 0.92 | | B | 9.0 | 375.0 | 53.3 | 50.6 | 40.4 | 1.25 | 46.5 | 1.09 | | Mn | 15 | 14 872 | 616 | 591 | 552 | 1.07 | 557 | 1.06 | | Zn | 8.6 | 1 144.0 | 85.7 | 84.3 | 82.1 | 1.03 | 66.2 | 1.27 | | Cu | 1.4 | 295.0 | 27.9 | 25.0 | 23.4 | 1.07 | 22.2 | 1.13 | | Mo | 0.125 | 43.7 | 0.697 | 0.592 | 0.49 | 1.21 | 0.65 | 0.91 |
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