Research article summary (published 29 Sep 2009):

Immobilising of Cd, Pb, and Zn contaminated arable soils close to a former Pb/Zn smelter: a field study in Austria over 5 years.

Full Abstract

Numerous smelter sites are surrounded by rural land. The entrance of non-essential metals such as lead or cadmium into the food chain is very likely as well as phytotoxicity effects of zinc. Finding a realistic solution for these large-scale contaminations was one aim of this study. Previous results from pot experiments showed a high potential for the reduction of metals entering the food chain via crops grown on smelter-contaminated soils from Arnoldstein, Austria, by the use of amendments for immobilisation. A further aim was to optimise a field experiment for overcoming the gap between pot and field experiments and to look for long-term efficiency of the treatments [lime (CA), red mud (RM), gravel sludge + red mud (GS + RM)]. Field experiment results were obtained for 5 years. Besides soil and soil pore water samples, the following harvests were yielded: spring barley (Hordeum distichon ssp. L.) (2004-2005), narrowleaf plantain (Plantago lanceolata L.) (2006-2007) and velvet grass (Holcus lanatus L.) (2007-2008). The long-term efficiency of GS + RM led us to conclude that their application seems to be a realistic and practical measure for extensively contaminated land, best in combination with metal excluding cultivars.

Author information

Author/s: Friesl-Hanl, W (W); Platzer, K (K); Horak, O (O); Gerzabek, M H (MH);

Affiliation: Environmental Resources & Technologies, Austrian Research Centers GmbH - ARC, Seibersdorf, Austria. wolfgang.friesl(-atsign-)arcs.ac.at

Journal and publication information

Publication Type: Journal Article; Research Support, Non-U.S. Gov't

Journal: Environmental geochemistry and health (Environ Geochem Health), published in Netherlands. (Language: eng)

Reference: 2009-Oct; vol 31 (issue 5) : pp 581-94

Dates: Created 2009/08/20; Completed 2009/11/02;

PMID: 19283493, status: MEDLINE (last retrieval date: 11/2/2009, IMS Date: )

Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.

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MeSH headings (categories)

This article was linked to the MESH Headings shown below.

Animals Austria Cadmium - chemistry; toxicity Environmental Monitoring - methods Environmental Remediation - methods Humans

Humans Industrial Waste - adverse effects Lead - chemistry; toxicity Metallurgy Soil Pollutants - chemistry; toxicity Zinc - chemistry; toxicity

Associated Chemicals: Industrial Waste (0) ; Soil Pollutants (0) ; Lead (7439-92-1) ; Cadmium (7440-43-9) ; Zinc (7440-66-6)

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