Conversion of Brazilian savannah to agricultural land affects quantity and quality of labile soil organic matter

Rafael S. Santos,Martin Wiesmeier,Dener M. S. Oliveira,Jorge L. Locatelli,Matheus S. C. Barreto,Jose A. M. Dematte,Carlos E. P. Cerri

Geoderma（2022）

引用 4|浏览18

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摘要

•Land-use change impacts on WEOM dynamics were assessed down to 1-m depth.•Agriculture under NT affected more WEOM composition than its concentration.•WEOM molecular weight and aromaticity decreased after LUC to agriculture under NT.•WEOM became N- and polysaccharide-rich after LUC.

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关键词

Soil organic matter,WEOM,UV–Vis spectroscopy,DRIFT spectroscopy,No-tillage,Oxisol

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