miun.sePublications
Change search
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf
Modelling of aluminium chemistry in soil solution of acidified and lime treated podzolic soil
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.
Responsible organisation
2004 (English)In: Geoderma, ISSN 0016-7061, E-ISSN 1872-6259, Vol. 127, no 3-4, 280-292 p.Article in journal (Refereed) Published
Abstract [en]

Soil solutions were taken from untreated and lime treated Norway spruce sites in the south of Sweden. At the limed sites 3.45 t ha−1 (L) or 8.75 t ha−1 (H) dolomite were applied 15 years before sampling. The mean concentration of inorganic Al (AlQR) in the untreated control plots (C) was 37 μM and the concentration of AlQR decreased when the dosages of dolomite treatments increased. For the H plots, with high doses of dolomite treatment the mean concentration of AlQR was 17 μM. The total Al (Altot) also decreased by dolomite treatment, from 72 μM to 56 μM. Propionate (7–268 μM) and malonate (2–34 μM) were the low molecular weight organic acids (LMWOAs) found in the highest concentrations at Hasslöv. The differences in concentration of most of the determined LMWOAs were significantly increased due to treatment. The citrate average concentration for the different plots varied between 2.8 μM and 5.1 μM and the concentration of oxalate had concentrations between 1.7 μM and 2.6 μM. The experimental concentration of Al bound to LMWOAs obtained by ultrafiltration (<1000 Da) of the soil solution was in the mor layer on average 12% for the C plot and the L plots and 4% in the H plots. In the AE horizon the figures were 15% for the C plot and about 7% for the treated L and H plots, and in the Bhs horizon 9% for both the C, L and H plots. Two chemical equilibrium models were evaluated: Winderemere Humic Aqueous Model (WHAM) and a model treating the high molecular weight organic acids as monoprotic. The concentrations of inorganic Al, Al bound to identified LMWOAs and high molecular weights acids in soil solution (mor, AE and Bhs) from untreated and lime treated soil were calculated. The modelled inorganic Al values of the control plot were similar to the concentrations found in the soil solution (AlQR). For the dolomite treated plots the concentration of AlQR (0–40 μM) was higher in soil solution than that modelled by WHAM and the monoprotic model. The experimental concentration of Al bound to LMWOAs obtained by ultrafiltration (<1000 Da) of the soil solution was comparable but always higher than the modelled values. The modelling confirms that an appreciable part of the Al is strongly complexed with LMWOAs in the organic and eluvial horizons of the podzolized soil, suggesting that LMWOAs are efficient weathering agents and important for the formation of the eluvial horizon in podzols. Saturation indices (SI) for two solid Al phases were also calculated, including crystalline gibbsite and proto-imogolite (PI). The SIs for both the C and the treated plots (L and H) showed very broad ranges for the different horizons investigated, indicating undersaturation as well as oversaturation with respect to gibbsite and proto-imogolite.

Place, publisher, year, edition, pages
2004. Vol. 127, no 3-4, 280-292 p.
Keyword [en]
acidification, aluminium, DOC, lime, low molecular weight, organic acids, soil solution
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:miun:diva-2534DOI: 10.1016/j.geoderma.2004.12.012ISI: 000230546600012Local ID: 1796OAI: oai:DiVA.org:miun-2534DiVA: diva2:27566
Note
9th Meeting of the Nordic-Chapter-of-the-International-Humic-Substances-Society, May 19-21, 2003, Sundsvall, SwedenAvailable from: 2008-09-30 Created: 2009-05-07 Last updated: 2011-07-21Bibliographically approved
In thesis
1. Organic acids and siderophores in forest soil solution
Open this publication in new window or tab >>Organic acids and siderophores in forest soil solution
2003 (English)Doctoral thesis, comprehensive summary (Other academic)
Place, publisher, year, edition, pages
Sundsvall: Mittuniversitetet, 2003
Series
Mid Sweden University doctoral thesis, ISSN 1652-893X ; 0
Keyword
acidification, aluminium, ash treatment, canopy tree, column switching, coniferous, DOC, HPLC-MC, hydroxamate, liming, low molecular weight, organic acids, podzol, porous graphitic carbon, siderophore, soil solution
National Category
Chemical Sciences
Identifiers
urn:nbn:se:miun:diva-8904 (URN)91-87908-76-X (ISBN)
Public defence
2003-12-05, Sundsvall, 13:00 (English)
Available from: 2009-05-07 Created: 2009-05-07 Last updated: 2017-03-16Bibliographically approved

Open Access in DiVA

No full text

Other links

Publisher's full text

Search in DiVA

By author/editor
Holmström, SaraLundström, Ulla
By organisation
Department of Natural Sciences
In the same journal
Geoderma
Chemical Sciences

Search outside of DiVA

GoogleGoogle Scholar

Altmetric score

Total: 94 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf