More soluble ion contents in soils have a general trend of decreasing with depth from the surface to water table.

土壤中易溶离子含量自地表至潜水面之间随深度总体上呈减小趋势。

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More soluble ion contents in soils have a general trend of decreasing with depth from the surface to water table.

土壤中易溶离子含量自地表至潜水面之间随深度总体上呈减小趋势。

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