Cadmium phytoextraction using short-rotation coppice Salix: the evidence trail

A substantial body of evidence has now accumulated that raises expectations that clean-up of Cd-contaminated land can be achieved through cultivation and harvest of selected clones of short-rotation coppice willow within a realistic crop lifecycle. Cd uptake rates into Salix are high compared to oth...

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Bibliographic Details
Published in:Environment international 2005-05, Vol.31 (4), p.609-613
Main Authors: Dickinson, Nicholas M., Pulford, Ian D.
Format: Article
Language:English
Subjects:
Biodegradation, Environmental
Contaminated land
Copper - isolation & purification
Copper - pharmacokinetics
Heavy metals
Phytoremediation
Plant Roots - chemistry
Salix
Salix - chemistry
Salix - growth & development
Seasons
Soil Pollutants - isolation & purification
Soil Pollutants - pharmacokinetics
Trees
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Summary:A substantial body of evidence has now accumulated that raises expectations that clean-up of Cd-contaminated land can be achieved through cultivation and harvest of selected clones of short-rotation coppice willow within a realistic crop lifecycle. Cd uptake rates into Salix are high compared to other trace elements and to other plant species. Effective phytoextraction would require (i) careful targeting of hotspots, (ii) repeated harvest prior to leaf fall and (iii) final removal of the root bole.
ISSN:0160-4120
1873-6750
DOI:10.1016/j.envint.2004.10.013