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Factors influencing aluminium concentrations in soil solution of podzols
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
Mid Sweden University, Faculty of Science, Technology and Media, Department of Natural Sciences.
2000 (English)In: Geoderma, ISSN 0016-7061, E-ISSN 1872-6259, Vol. 94, no 2-4, 289-310 p.Article in journal (Refereed) Published
Abstract [en]

Mechanisms controlling the concentrations of free Al3+ and total Al in the soil solution from three podzolic soils were evaluated. Saturation indices (SI) were calculated for five mineral phases, but no single phase determined the Al3+ activity. E horizon samples were found to be undersaturated with respect to all phases. A more detailed equilibrium study indicated that formation of proto-imogolite sols was commonly possible in B horizon solutions with pH > 5. The poor relationship between pH and pAl3+ in the E and B1 horizons did not support control by exchange reactions with solid organic matter, although partial least square (PLS) regressions indicated importance of soil-exchangeable Al in the B and C horizons. It was concluded that in the E and most of the B1 horizon solutions, Al3+ activity is controlled by equilibrium with soluble organic acids which was supported by the PLS regressions. (C) 2000 Elsevier Science B.V.

Place, publisher, year, edition, pages
2000. Vol. 94, no 2-4, 289-310 p.
Keyword [en]
Aluminium, Mineral equilibria, Podzolization, Soil solution
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:miun:diva-2390DOI: 10.1016/S0016-7061(98)00138-4ISI: 000085352500013Scopus ID: 2-s2.0-0033952158Local ID: 2047OAI: oai:DiVA.org:miun-2390DiVA: diva2:27422
Available from: 2008-09-30 Created: 2008-09-30 Last updated: 2016-10-10Bibliographically approved

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van Hees, P. A. W.Lundström, Ulla
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CiteExportLink to record
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Citation style
  • apa
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