Chinese Agricultural Science Bulletin ›› 2024, Vol. 40 ›› Issue (17): 56-62.doi: 10.11924/j.issn.1000-6850.casb2023-0566
Special Issue: 土壤重金属污染
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HUANG Dongrong1,2(), NIE Wenchang1,2, ZHANG Xu1,2, WAN Chuan1,2, XIA Ming1,2, LEI Tianhao3, JIN Leihua4
Received:
2023-07-30
Revised:
2024-01-02
Online:
2024-06-15
Published:
2024-06-11
HUANG Dongrong, NIE Wenchang, ZHANG Xu, WAN Chuan, XIA Ming, LEI Tianhao, JIN Leihua. Heavy Metal Pollution Evaluation and Correlation Analysis of Farmland Soil and Crops in Dongyang City[J]. Chinese Agricultural Science Bulletin, 2024, 40(17): 56-62.
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URL: https://www.casb.org.cn/EN/10.11924/j.issn.1000-6850.casb2023-0566
项目 | pH | As | Cd | Cr | Cu | Hg | Ni | Pb | Zn |
---|---|---|---|---|---|---|---|---|---|
最大值 | 6.3 | 38.7 | 0.475 | 106 | 32.6 | 0.309 | 49.6 | 70.2 | 108 |
最小值 | 4.94 | 1.19 | 0.105 | 11.7 | 9.8 | 0.046 | 4.03 | 24.6 | 43.8 |
平均值 | 5.34 | 6.74 | 0.183 | 37.35 | 18.16 | 0.114 | 13.09 | 37.97 | 71.45 |
标准差 | 0.29 | 6.22 | 0.063 | 20.50 | 5.45 | 0.058 | 9.507 | 8.53 | 16.40 |
变异系数 | 5.30 | 92.22 | 34.43 | 54.87 | 30.00 | 50.88 | 72.63 | 22.47 | 22.94 |
背景值 | — | 9.20 | 0.07 | 52.90 | 17.60 | 0.086 | 24.60 | 23.70 | 70.60 |
风险筛选值超标率 | — | 0.0 | 11.67 | 0.0 | 0.0 | 0.0 | 0.0 | 5.0 | 0.0 |
项目 | pH | As | Cd | Cr | Cu | Hg | Ni | Pb | Zn |
---|---|---|---|---|---|---|---|---|---|
最大值 | 6.3 | 38.7 | 0.475 | 106 | 32.6 | 0.309 | 49.6 | 70.2 | 108 |
最小值 | 4.94 | 1.19 | 0.105 | 11.7 | 9.8 | 0.046 | 4.03 | 24.6 | 43.8 |
平均值 | 5.34 | 6.74 | 0.183 | 37.35 | 18.16 | 0.114 | 13.09 | 37.97 | 71.45 |
标准差 | 0.29 | 6.22 | 0.063 | 20.50 | 5.45 | 0.058 | 9.507 | 8.53 | 16.40 |
变异系数 | 5.30 | 92.22 | 34.43 | 54.87 | 30.00 | 50.88 | 72.63 | 22.47 | 22.94 |
背景值 | — | 9.20 | 0.07 | 52.90 | 17.60 | 0.086 | 24.60 | 23.70 | 70.60 |
风险筛选值超标率 | — | 0.0 | 11.67 | 0.0 | 0.0 | 0.0 | 0.0 | 5.0 | 0.0 |
项目 | As | Hg | Cr | Ni | Cu | Zn | Cd | Pb |
---|---|---|---|---|---|---|---|---|
最大值 | 0.456 | 0.080 | 0.962 | 2.648 | 6.81 | 36.64 | 0.327 | 0.105 |
最小值 | 0.05 | 0.003 | 0.109 | 0.317 | 3.093 | 24.175 | 0.082 | 0.05 |
平均值 | 0.158 | 0.001 | 0.085 | 0.057 | 1.0 | 13.24 | 0.012 | 0.038 |
标准差 | 0.081 | 0.003 | 0.153 | 0.39 | 3.14 | 4.135 | 0.097 | 0.053 |
变异系数 | 51.27 | 300.00 | 180.00 | 684.21 | 314.00 | 31.23 | 808.33 | 139.47 |
食品污染物限量(稻谷) | 0.2 | 0.02 | 1.0 | — | 10 | 50 | 0.2 | 0.2 |
超标率 | 25.71 | 0.0 | 0.0 | — | 0.0 | 0.0 | 10.0 | 0.0 |
项目 | As | Hg | Cr | Ni | Cu | Zn | Cd | Pb |
---|---|---|---|---|---|---|---|---|
最大值 | 0.456 | 0.080 | 0.962 | 2.648 | 6.81 | 36.64 | 0.327 | 0.105 |
最小值 | 0.05 | 0.003 | 0.109 | 0.317 | 3.093 | 24.175 | 0.082 | 0.05 |
平均值 | 0.158 | 0.001 | 0.085 | 0.057 | 1.0 | 13.24 | 0.012 | 0.038 |
标准差 | 0.081 | 0.003 | 0.153 | 0.39 | 3.14 | 4.135 | 0.097 | 0.053 |
变异系数 | 51.27 | 300.00 | 180.00 | 684.21 | 314.00 | 31.23 | 808.33 | 139.47 |
食品污染物限量(稻谷) | 0.2 | 0.02 | 1.0 | — | 10 | 50 | 0.2 | 0.2 |
超标率 | 25.71 | 0.0 | 0.0 | — | 0.0 | 0.0 | 10.0 | 0.0 |
项目 | As | Cd | Cr | Cu | Hg | Ni | Pb | Zn |
---|---|---|---|---|---|---|---|---|
最大值 | 0.029 | 0.18 | 0.3 | 3.78 | 0.004 | 2.31 | 0.07 | 20.46 |
最小值 | 0.009 | 0.03 | 0.1 | 1.27 | 0.001 | 0.34 | 0.03 | 8.95 |
平均值 | 0.015 | 0.10 | 0.19 | 2.48 | 0.003 | 0.83 | 0.04 | 13.93 |
标准差 | 0.006 | 0.039 | 0.057 | 0.659 | 0.001 | 0.52 | 0.013 | 3.109 |
变异系数 | 40.00 | 39.00 | 30.00 | 26.57 | 33.33 | 62.65 | 32.50 | 22.32 |
食品污染物限量(根茎块) | 0.2 | 0.1 | 0.5 | 6 | 0.01 | — | 0.4 | 15 |
超标率 | 0 | 42.86 | 0 | 0 | 0 | — | 0 | 21.43 |
项目 | As | Cd | Cr | Cu | Hg | Ni | Pb | Zn |
---|---|---|---|---|---|---|---|---|
最大值 | 0.029 | 0.18 | 0.3 | 3.78 | 0.004 | 2.31 | 0.07 | 20.46 |
最小值 | 0.009 | 0.03 | 0.1 | 1.27 | 0.001 | 0.34 | 0.03 | 8.95 |
平均值 | 0.015 | 0.10 | 0.19 | 2.48 | 0.003 | 0.83 | 0.04 | 13.93 |
标准差 | 0.006 | 0.039 | 0.057 | 0.659 | 0.001 | 0.52 | 0.013 | 3.109 |
变异系数 | 40.00 | 39.00 | 30.00 | 26.57 | 33.33 | 62.65 | 32.50 | 22.32 |
食品污染物限量(根茎块) | 0.2 | 0.1 | 0.5 | 6 | 0.01 | — | 0.4 | 15 |
超标率 | 0 | 42.86 | 0 | 0 | 0 | — | 0 | 21.43 |
地累积指数 | 污染等级 | As | Cd | Cr | Cu | Hg | Ni | Pb | Zn |
---|---|---|---|---|---|---|---|---|---|
Igeo≤0 | 无污染 | 96.67 | 5.00 | 95.74 | 93.62 | 73.33 | 93.33 | 51.67 | 95.00 |
0<Igeo≤1 | 轻-中度污染 | 1.67 | 73.33 | 4.26 | 6.38 | 21.67 | 5.00 | 48.33 | 5.00 |
1<Igeo≤2 | 中度污染 | 1.66 | 20.00 | 0.00 | 0.00 | 5.00 | 1.67 | 0.00 | 0.00 |
2<Igeo≤3 | 中度-重度污染 | 0.00 | 1.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
3<Igeo≤4 | 重度污染 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
4<Igeo≤5 | 重度—极重度污染 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
5<Igeo≤6 | 极重度污染 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
地累积指数 | 污染等级 | As | Cd | Cr | Cu | Hg | Ni | Pb | Zn |
---|---|---|---|---|---|---|---|---|---|
Igeo≤0 | 无污染 | 96.67 | 5.00 | 95.74 | 93.62 | 73.33 | 93.33 | 51.67 | 95.00 |
0<Igeo≤1 | 轻-中度污染 | 1.67 | 73.33 | 4.26 | 6.38 | 21.67 | 5.00 | 48.33 | 5.00 |
1<Igeo≤2 | 中度污染 | 1.66 | 20.00 | 0.00 | 0.00 | 5.00 | 1.67 | 0.00 | 0.00 |
2<Igeo≤3 | 中度-重度污染 | 0.00 | 1.67 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
3<Igeo≤4 | 重度污染 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
4<Igeo≤5 | 重度—极重度污染 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
5<Igeo≤6 | 极重度污染 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
项目 | 范围 | 平均值 | 轻微 | 中等 | 强 | 很强 | 极强 |
---|---|---|---|---|---|---|---|
As | 3.65~42.07 | 6.90 | 98.33 | 1.67 | 0.00 | 0.00 | 0.00 |
Hg | 29.30~143.72 | 53.26 | 46.67 | 36.67 | 16.67 | 0.00 | 0.00 |
Cr | 1.29~7.26 | 1.47 | 100 | 0.00 | 0.00 | 0.00 | 0.00 |
Ni | 1.24~29.88 | 3.19 | 100 | 0.00 | 0.00 | 0.00 | 0.00 |
Cu | 2.73~18.98 | 5.32 | 100 | 0.00 | 0.00 | 0.00 | 0.00 |
Zn | 0.76~1.98 | 1.0 | 100 | 0.00 | 0.00 | 0.00 | 0.00 |
Cd | 42.86~203.57 | 74.13 | 0.0 | 71.67 | 25.00 | 3.33 | 0.00 |
Pb | 5.19~14.81 | 7.80 | 100 | 0.00 | 0.00 | 0.00 | 0.00 |
RI | 78.38~336.39 | 153.08 | 51.67 | 45.00 | 3.33 | 0.00 | 0.00 |
项目 | 范围 | 平均值 | 轻微 | 中等 | 强 | 很强 | 极强 |
---|---|---|---|---|---|---|---|
As | 3.65~42.07 | 6.90 | 98.33 | 1.67 | 0.00 | 0.00 | 0.00 |
Hg | 29.30~143.72 | 53.26 | 46.67 | 36.67 | 16.67 | 0.00 | 0.00 |
Cr | 1.29~7.26 | 1.47 | 100 | 0.00 | 0.00 | 0.00 | 0.00 |
Ni | 1.24~29.88 | 3.19 | 100 | 0.00 | 0.00 | 0.00 | 0.00 |
Cu | 2.73~18.98 | 5.32 | 100 | 0.00 | 0.00 | 0.00 | 0.00 |
Zn | 0.76~1.98 | 1.0 | 100 | 0.00 | 0.00 | 0.00 | 0.00 |
Cd | 42.86~203.57 | 74.13 | 0.0 | 71.67 | 25.00 | 3.33 | 0.00 |
Pb | 5.19~14.81 | 7.80 | 100 | 0.00 | 0.00 | 0.00 | 0.00 |
RI | 78.38~336.39 | 153.08 | 51.67 | 45.00 | 3.33 | 0.00 | 0.00 |
相关性 | As | Hg | Cr | Ni | Cu | Zn | Cd | Pb |
---|---|---|---|---|---|---|---|---|
As | 1 | |||||||
Hg | -0.34 | 1 | ||||||
Cr | -0.13 | 0.11 | 1 | |||||
Ni | -0.23 | 0.02 | 0.06 | 1 | ||||
Cu | -0.48 | 0.32 | -0.23 | 0.60 | 1 | |||
Zn | 0.12 | 0.18 | -0.15 | 0.05 | 0.43 | 1 | ||
Cd | -0.31 | 0.00 | -0.05 | 0.39 | 0.41 | 0.06 | 1 | |
Pb | -0.23 | 0.22 | 0.69 | 0.37 | 0.19 | 0.02 | 0.23 | 1 |
相关性 | As | Hg | Cr | Ni | Cu | Zn | Cd | Pb |
---|---|---|---|---|---|---|---|---|
As | 1 | |||||||
Hg | -0.34 | 1 | ||||||
Cr | -0.13 | 0.11 | 1 | |||||
Ni | -0.23 | 0.02 | 0.06 | 1 | ||||
Cu | -0.48 | 0.32 | -0.23 | 0.60 | 1 | |||
Zn | 0.12 | 0.18 | -0.15 | 0.05 | 0.43 | 1 | ||
Cd | -0.31 | 0.00 | -0.05 | 0.39 | 0.41 | 0.06 | 1 | |
Pb | -0.23 | 0.22 | 0.69 | 0.37 | 0.19 | 0.02 | 0.23 | 1 |
相关性 | As | Cd | Cr | Cu | Hg | Ni | Pb | Zn |
---|---|---|---|---|---|---|---|---|
As | 1.00 | |||||||
Cd | -0.18 | 1.00 | ||||||
Cr | 0.76 | -0.23 | 1.00 | |||||
Cu | -0.27 | 0.59 | -0.43 | 1.00 | ||||
Hg | -0.44 | 0.62 | -0.39 | 0.44 | -0.14 | |||
Ni | -0.44 | 0.62 | -0.39 | 0.44 | -0.14 | 1.00 | ||
Pb | -0.06 | -0.08 | 0.02 | 0.00 | 0.12 | -0.34 | 1.00 | |
Zn | -0.08 | 0.33 | -0.26 | 0.39 | 0.37 | 0.02 | 0.63 | 1.00 |
相关性 | As | Cd | Cr | Cu | Hg | Ni | Pb | Zn |
---|---|---|---|---|---|---|---|---|
As | 1.00 | |||||||
Cd | -0.18 | 1.00 | ||||||
Cr | 0.76 | -0.23 | 1.00 | |||||
Cu | -0.27 | 0.59 | -0.43 | 1.00 | ||||
Hg | -0.44 | 0.62 | -0.39 | 0.44 | -0.14 | |||
Ni | -0.44 | 0.62 | -0.39 | 0.44 | -0.14 | 1.00 | ||
Pb | -0.06 | -0.08 | 0.02 | 0.00 | 0.12 | -0.34 | 1.00 | |
Zn | -0.08 | 0.33 | -0.26 | 0.39 | 0.37 | 0.02 | 0.63 | 1.00 |
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