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Factors controlling Al-activity in soil solution in an acid forest soil of the German Solling area

Title data

Matzner, Egbert:
Factors controlling Al-activity in soil solution in an acid forest soil of the German Solling area.
In: Zeitschrift für Pflanzenernährung und Bodenkunde. Vol. 155 (1992) Issue 4 . - pp. 333-338.
ISSN 0044-3263
DOI: https://doi.org/10.1002/jpln.19921550416

Abstract in another language

The forests of the Gcrmvl Solling area arc heavily impacted by acidicdeposition. Analysis of soil solutions derived froin suclion lysimelers inthe field reveal strong vertical gradients of Al-activity in the soil solutionand increasing activity with soil depth. Temporal pattern of Al- activityin soil solutions under field condilions cannot easily be predicted byequilibrium models using AI(OH)j dissolution. Percolaling disturbed soilsamples under laboratory conditions with artificial acid soil soluiionsundemturaied to AI(OH), solids resulted in high rates of A1 release inthe 30-40 cm layer and revealed AI(OH), as a possible Al-activity controllingsolid. The laboratory findings are not in coincidence with fieldobservations. This discrepancy with respect to [he regulation of Alactivity in the 3040 cm layer is attributed 10 the effect of soil SINC~U~~and the interaction of rnacropores and micropores under field conditions.A1 activity of the soil solution in the 0-10 cm layer seems lo be regulatedby exchange reactions with organic substances.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: BAYCEER6926
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Chair Soil Ecology
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Former Professors > Chair Soil Ecology - Univ.-Prof. Dr. Egbert Matzner
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 07 Aug 2015 07:00
Last Modified: 07 Aug 2015 07:00
URI: https://eref.uni-bayreuth.de/id/eprint/17831