江苏省里下河地区富硒土壤元素地球化学特征及其成因机制
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廖启林, 黄顺生, 许伟伟, 崔晓丹, 金洋, 刘玲, 汪媛媛, 李文博, 周强
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Elemental geochemical characteristics and genetic mechanisms of Se-rich soils in the Lixiahe area in Jiangsu Province
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LIAO Qi-Lin, HUANG Shun-Sheng, XU Wei-Wei, CUI Xiao-Dan, JIN Yang, LIU Ling, WANG Yuan-Yuan, LI Wen-Bo, ZHOU Qiang
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表1 里下河地区富硒土壤元素地球化学参数统计(N=1313)
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Table 1 Geochemical parameters of elements of selenium-enriched soil in Lixiahe area
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指标 | | | | CV | | Sa | | | | CVa | 里下河土 壤均值 | 江苏省土 壤均值[19] | 石嘴山富硒 土壤均值 | Se | 0.26 | 0.7 | 0.30 | 0.16 | 0.30 | 1179 | 0.26 | 0.35 | 0.29 | 0.09 | 0.20 | 0.21 | 0.34 | OM | 1.46 | 10.84 | 4.33 | 0.24 | 4.20 | 1268 | 1.95 | 6.54 | 4.25 | 0.22 | 2.28 | 1.88 | 1.89 | N | 404 | 5035 | 2335 | 0.23 | 2274 | 1275 | 1142 | 3474 | 2314 | 0.20 | 1431 | 1252 | 978 | P | 359 | 3688 | 1024 | 0.32 | 983 | 1219 | 474 | 1466 | 962 | 0.21 | 703 | 791 | 983 | K | 1.43 | 2.54 | 1.99 | 0.08 | 1.98 | 1236 | 1.68 | 2.32 | 2.00 | 0.06 | 1.91 | 1.82 | 1.35 | Ca | 0.61 | 3.77 | 0.98 | 0.43 | 0.92 | 1052 | 0.61 | 1.03 | 0.82 | 0.10 | 1.33 | 2.13 | 4.97 | Mg | 0.58 | 1.60 | 1.01 | 0.15 | 1.00 | 1160 | 0.78 | 1.18 | 0.98 | 0.08 | 0.97 | 1.01 | 1.53 | Fe | 1.93 | 5.47 | 3.48 | 0.14 | 3.44 | 1201 | 2.58 | 4.39 | 3.48 | 0.10 | 3.57 | 3.35 | 3.19 | Mn | 216 | 2944 | 493 | 0.29 | 478 | 1194 | 264 | 667 | 465 | 0.17 | 583 | 629 | 645 | Mo | 0.19 | 17.40 | 0.77 | 1.25 | 0.64 | 1094 | 0.26 | 0.86 | 0.56 | 0.22 | 0.48 | 0.55 | 60 | B | 26.3 | 145.0 | 57.0 | 0.15 | 56.0 | 1158 | 47.0 | 70.0 | 58.0 | 0.08 | 57 | 56 | 0.82 | F | 265 | 986 | 603 | 0.16 | 595 | 1249 | 403 | 799 | 599 | 0.14 | 573 | 546 | 660 | Cl | 37.4 | 1031 | 138 | 0.58 | 122 | 1180 | 37 | 227 | 118 | 0.37 | 100 | 209 | - | As | 3.29 | 17.50 | 7.81 | 0.22 | 7.62 | 1223 | 4.45 | 10.90 | 7.69 | 0.17 | 8.7 | 9.4 | 12.91 | Cd | 0.11 | 0.59 | 0.23 | 0.32 | 0.22 | 1173 | 0.12 | 0.30 | 0.21 | 0.18 | 0.133 | 0.151 | 0.21 | Hg | 0.037 | 0.440 | 0.095 | 0.39 | 0.089 | 1197 | 0.037 | 0.140 | 0.086 | 0.26 | 0.062 | 0.082 | 0.038 | Sb | 0.38 | 15.70 | 0.86 | 0.54 | 0.83 | 1180 | 0.46 | 1.14 | 0.80 | 0.17 | 0.83 | 0.96 | - | Cu | 11.3 | 354.0 | 31.0 | 0.38 | 30.0 | 1156 | 19.0 | 41.2 | 30.0 | 0.15 | 27 | 26 | 24 | Pb | 18.4 | 48.2 | 28.0 | 0.14 | 28.0 | 1233 | 20.0 | 35.6 | 28.0 | 0.11 | 25.9 | 26.8 | 23 | Zn | 55.2 | 368.0 | 97.0 | 0.23 | 95.0 | 1134 | 67.0 | 116.0 | 92.0 | 0.11 | 74 | 73 | 72 | Cr | 54.2 | 210.0 | 87.0 | 0.16 | 86.0 | 1217 | 66.0 | 106.0 | 86.0 | 0.09 | 81 | 76 | 66 | Ni | 16.5 | 445.0 | 37.0 | 0.39 | 36.0 | 1213 | 25.0 | 48.6 | 37.0 | 0.13 | 34.6 | 32.9 | 32 | Co | 6.21 | 21.20 | 14.00 | 0.15 | 14.00 | 1189 | 10.00 | 17.50 | 14.00 | 0.11 | 13.6 | 13.7 | 13 | V | 48.2 | 142.0 | 95.0 | 0.15 | 94.0 | 1272 | 62.0 | 128.0 | 95.0 | 0.14 | 92 | 88 | - | CEC | 86 | 333 | 199 | 0.20 | 195 | 1289 | 105 | 290 | 198 | 0.19 | - | - | - | pH | 4.46 | 8.47 | 6.54 | 0.13 | 6.49 | 1311 | 4.63 | 8.47 | 6.54 | 0.13 | 7.19 | 7.33 | 8.51 |
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