Soil particle aggregation and aggregate stability associated with ion specificity and organic matter content

Song Li, Baolong Wang,Xin Zhang,Hongye Wang,Yanli Yi,Xueru Huang,Xiaodan Gao,Ping Zhu,Wei Han

Geoderma（2023）

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摘要

•Asymmetric hybridization induces the ion sequence of Li+ < Na+ < K+.•Cations promote particle aggregation and aggregate stability with the ion sequence.•SOM inhibits soil particle aggregation via electrostatic and steric repulsion.•SOM improves aggregate stability via the vdW attraction and short-range interactions.

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关键词

Particle interaction,Ion specificity,Organic matter,Particle aggregation,Aggregate breakdown

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