Compositional characteristics of organic matter and its water-extractable components across a profile of organically managed soil
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文摘

Effect of compost addition on soil organic matter (SOM) is limited to the top 30 cm.

SOM is enriched by hydrophilic components with the increase in depth.

Hydrophobic SOM components are contributed by added compost.

Compost application increases contents of water-extractable humic-like constituents.

Different water-extractable components of SOM show similar depth distributions.

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