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2 里下河地区富硒土壤元素含量相关系数统计
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Table 2 Correlation coefficients of elements content in the Se-enriched soils in Lixiahe area
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指标 | Se | pH | CEC | OM | N | K | Ca | Mg | Fe | F | Cd | Cu | Pb | Zn | Ni | Co | Se | 1.0** | | | | | | | | | | | | | | | | Mo | 0.34** | | | | | | | | | | | | | | | | pH | -0.35** | 1.0** | | | | | | | | | | | | | | | CEC | 0.66** | -0.46** | 1.0** | | | | | | | | | | | | | | OM | 0.74** | -0.49** | 0.62** | 1.0** | | | | | | | | | | | | | N | 0.73** | -0.45** | 0.59** | 0.94** | 1.0** | | | | | | | | | | | | P | 0.02* | 0.00* | -0.31** | 0.21** | 0.24** | | | | | | | | | | | | K | 0.55** | -0.17** | 0.65** | 0.38** | 0.41** | 1.0** | | | | | | | | | | | Ca | -0.23** | 0.68** | -0.45** | -0.36** | -0.33** | -0.02** | 1.0** | | | | | | | | | | Mg | 0.25** | 0.37** | 0.22** | 0.04* | 0.10** | 0.71** | 0.58** | 1.0** | | | | | | | | | Fe | 0.58** | -0.18** | 0.72** | 0.40** | 0.44** | 0.93** | -0.00* | 0.74** | 1.0** | | | | | | | | Mn | 0.08** | 0.18** | 0.06** | -0.08** | -0.05* | 0.22** | 0.26* | 0.35** | 0.35** | | | | | | | | F | 0.53** | -0.23** | 0.63** | 0.41** | 0.44** | 0.79** | -0.05* | 0.59** | 0.84** | 1.0** | | | | | | | Cl | 0.23** | -0.18** | 0.09** | 0.39** | 0.40** | 0.06** | -0.01* | 0.02* | 0.07** | 0.15** | | | | | | | As | 0.15** | 0.08** | 0.12** | 0.06** | 0.10** | 0.38** | 0.05* | 0.36** | 0.37** | 0.26** | | | | | | | Cd | 0.49** | 0.12** | 0.17** | 0.39** | 0.44** | 0.45** | 0.28* | 0.55** | 0.48** | 0.39** | 1.0** | | | | | | Hg | 0.05* | -0.14** | 0.01** | 0.20** | 0.19** | -0.15** | -0.17** | -0.18** | -0.10** | -0.07** | 0.06** | | | | | | Sb | 0.42** | -0.11** | 0.30** | 0.29** | 0.30** | 0.33** | -0.02* | 0.28** | 0.40** | 0.39** | 0.36** | | | | | | Cu | 0.57** | -0.17** | 0.60** | 0.46** | 0.46** | 0.69** | -0.02* | 0.52** | 0.75** | 0.65** | 0.46** | 1.0** | | | | | Pb | 0.57** | -0.22** | 0.41** | 0.53** | 0.54** | 0.51** | -0.05* | 0.36** | 0.55** | 0.46** | 0.55** | 0.52** | 1.0** | | | | Zn | 0.55** | -0.11** | 0.43** | 0.45** | 0.47** | 0.56** | 0.05* | 0.49** | 0.66** | 0.53** | 0.60** | 0.59** | 0.60** | 1.0** | | | Cr | 0.16** | -0.03* | 0.14** | 0.08** | 0.08** | 0.11** | 0.03* | 0.11** | 0.24** | 0.15** | 0.16** | 0.19** | 0.13** | 0.52** | | | Ni | 0.54** | -0.18** | 0.66** | 0.41** | 0.41** | 0.76** | -0.05* | 0.56** | 0.81** | 0.68** | 0.37** | 0.95** | 0.46** | 0.57** | 1.0** | | Co | 0.55** | -0.14** | 0.69** | 0.35** | 0.39** | 0.92** | 0.01* | 0.74** | 0.97** | 0.82** | 0.46** | 0.72** | 0.50** | 0.60** | 0.79** | 1.0** | V | 0.52** | -0.05* | 0.48** | 0.36** | 0.37** | 0.66** | 0.12* | 0.64** | 0.76** | 0.58** | 0.52** | 0.59** | 0.61** | 0.64** | 0.63** | 0.72** |
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