The role of soil organic matter and short-range ordered aluminosilicates in controlling the activity of aluminum in soil solutions of volcanic ash soils

Mechanisms controlling the activity of free aluminum (Al) in soil solutions and their implications for pedogenesis in two Japanese volcanic ash soils were investigated by means of acid-base titrations and kinetic studies of mineral dissolution. The A and AB horizons of both soils are rich in soil or...

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Bibliographic Details
Published in:	Geoderma Vol. 137; no. 1; pp. 40 - 57
Main Authors:	Yagasaki, Yasumi, Mulder, Jan, Okazaki, Masanori
Format:	Journal Article
Language:	English
Published:	Amsterdam Elsevier B.V 31-12-2006 Elsevier
Subjects:	Agronomy. Soil science and plant productions Aluminum Biological and medical sciences Earth sciences Earth, ocean, space Exact sciences and technology Fundamental and applied biological sciences. Psychology Soil organic matter Soil solution Soils Surficial geology Volcanic ash deposits Japan Soil organic matter Volcanic ash deposits Soil solution Aluminum stoichiometry data Support chemical properties complexing acids aluminosilicates silicates mechanism Release volcanic ash Addition accumulation dissolution Aluminium III Ions Previous study Volcanic soils physicochemical properties imogolite pedogenesis organic materials alteration equilibrium kinetics Acid base titration
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