From the top layer to the bottom, the Hg content in the soils changed little in D. augustifolia marsh, but varied greatly in corn field and lowland rice field.
由表层至底层，小叶章湿地土壤中汞含量变化不大，水稻田及玉米地中汞含量变化较大。
From the top layer to the bottom, the Hg content in the soils changed little in D. augustifolia marsh, but varied greatly in corn field and lowland rice field.
由表层至底层，小叶章湿地土壤中汞含量变化不大，水稻田及玉米地中汞含量变化较大。
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