Process sequence of soil aggregate formation disentangled through multi-isotope labelling

Process sequence of soil aggregate formation disentangled through multi-isotope labelling

•Chronological sequence of aggregate formation processes.•Organic gluing agents initiate and accelerate aggregation process.•Minerals stabilize aggregates in the longer term.•Root-mediated processes further stabilize macroaggregates against ultrasonic dispersion. Microaggregates (

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Veröffentlicht in:Geoderma 2023-01, Vol.429, p.116226, Article 116226
Hauptverfasser: Amelung, Wulf, Meyer, Nele, Rodionov, Andrey, Knief, Claudia, Aehnelt, Michaela, Bauke, Sara L., Biesgen, Danh, Dultz, Stefan, Guggenberger, Georg, Jaber, Maguy, Klumpp, Erwin, Kögel-Knabner, Ingrid, Nischwitz, Volker, Schweizer, Steffen A., Wu, Bei, Totsche, Kai U., Lehndorff, Eva
Format: Artikel
Sprache:eng
Schlagworte:
Aggregate formation
Chemical Sciences
Clay minerals
Extracellular polymeric substances
Iron oxides
Organo-mineral interactions
Stable isotopes
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Beschreibung
Zusammenfassung:•Chronological sequence of aggregate formation processes.•Organic gluing agents initiate and accelerate aggregation process.•Minerals stabilize aggregates in the longer term.•Root-mediated processes further stabilize macroaggregates against ultrasonic dispersion. Microaggregates (
ISSN:0016-7061
1872-6259
DOI:10.1016/j.geoderma.2022.116226