Aluminum mobilization as influenced by soil organic matter during soil and mineral acidification: A constant pH study

• Published in: Geoderma Vol. 418; p. 115853
• Main Authors: Li, Ke-wei, Lu, Hai-long, Nkoh, Jackson Nkoh, Hong, Zhi-neng, Xu, Ren-kou
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 15.07.2022
• Subjects: Acid buffering capacity; acidification; Alfisols; aluminum; cation exchange capacity; CEC; exchangeable Al; exchangeable aluminum; food security; kaolinite; montmorillonite; Organic matter; Soil acidification; soil organic matter; soil pH; toxicity; Ultisols; CEC; Organic matter; Acid buffering capacity; Soil acidification; exchangeable Al
• ISSN: 0016-7061; 1872-6259
• DOI: 10.1016/j.geoderma.2022.115853

[Display omitted] •More exchangeable Al was observed on montmorillonite than on kaolinite at pH < 5.1.•Exchangeable Al in Alfisol was larger than that in Ultisols under acidic conditions.•Soil CEC and organic matter play an important role in acid buffering performance.•Soil organic matter inhibit...