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盆栽结果表明，不同土壤类型铁、锰含量的差异是造成不同土壤类型间甲烷排放量差异甚大的重要因素之一。土壤中铁、锰通过对土壤氧化还原电位及根膜形成的影响而影响甲烷的排放。
Potted results showed that the difference of iron and manganese contents in different soil types was one of the important factors that caused the great difference of methane emission among different soil types. Iron and manganese in the soil affect methane emission through the influence of the redox potential of the soil and the formation of the root membrane.