宁夏石嘴山地区富硒土壤及其利用前景
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王志强, 杨建锋, 石天池
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A preliminary study of Se-rich soil in the Shizuishan area, Ningxia and its potential for application
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WANG Zhi-Qiang, YANG Jian-Feng, SHI Tian-Chi
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表2 石嘴山土壤Se等元素基本地球化学参数统计
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Table 2 Statistics of Se and other elemental geochemical distributive parameters in soil in Shizuishan areas
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参数 | Se | Mn | Cu | Zn | Cd | Hg | As | Pb | Cr | 有机质 | pH | 最小值 | 0.018 | 4.69 | 7.44 | 0.91 | 0.03 | 0 | 2.90 | 11.40 | 2.86 | 0.06 | 6.88 | 最大值 | 1.800 | 1500.00 | 49.08 | 138.60 | 0.58 | 0.65 | 19.77 | 50.00 | 93.21 | 10.26 | 10.40 | 平均值 | 0.260 | 597.60 | 22.54 | 65.56 | 0.19 | 0.03 | 11.98 | 21.57 | 60.69 | 1.50 | 8.61 | 标准差 | 0.120 | 124.80 | 5.00 | 14.43 | 0.06 | 0.02 | 3.04 | 3.47 | 11.92 | 0.68 | 0.31 | 变异系数 | 0.46 | 0.21 | 0.22 | 0.22 | 0.31 | 0.73 | 0.25 | 0.16 | 0.20 | 0.46 | 0.04 |
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