文昌组的无定形有机质反映了古湖泊表层水的高生产力和湖底水体的贫氧环镜。
The abundant AOM of the Wenchang Formation reflects the high productivity in the surface water and reducing dysoxic conditions in the bottom water of the Palaeogene lake.
有机质、易还原锰和无定形铁对土壤铁、锰、铜、锌具明显的吸附富集效应。
An adsorption-enrichment effect of organic matter, reducible Mn and amorphous Fe on Fe, Mn, Zn and Cu was observed in the soil.
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