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Title: Effects of nutrient and lime additions in mine site rehabilitation strategies on the accumulation of antimony and arsenic by native Australian plants
Contributor(s): Wilson, Susan C  (author)orcid ; Leech, Calvin D (author); Butler, Leo (author); Lisle, Leanne  (author); Ashley, Paul  (author); Lockwood, Peter V  (author)
Publication Date: 2013
DOI: 10.1016/j.jhazmat.2013.01.033
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Abstract: The effects of nutrient and lime additions on antimony (Sb) and arsenic (As) accumulation by native Australian and naturalised plants growing in two contaminated mine site soils (2735 mg kg⁻¹ and 4517 mg kg⁻¹ Sb; 826 mg kg⁻¹ and 1606 As mg kg⁻¹) was investigated using a glasshouse pot experiment. The results indicated an increase in soil solution concentrations with nutrient addition in both soils and also with nutrient + lime addition for Sb in one soil. Metalloid concentrations in plant roots were significantly greater than concentrations in above ground plant parts. The metalloid transfer to above ground plant parts from the roots and from the soil was, however, low (ratio of leaf concentration/soil concentration <<1) for all species studied. 'Eucalyptus michaeliana' was the most successful at colonisation with lowest metalloid transfer to above ground plant parts. Addition of nutrients and nutrients + lime to soils, in general, increased plant metalloid accumulation. Relative As accumulation was greater than that of Sb. All the plant species studied were suitable for consideration in the mine soil phytostabilisation strategies but lime additions should be limited and longer term trials also recommended.
Publication Type: Journal Article
Source of Publication: Journal of Hazardous Materials, v.261, p. 801-807
Publisher: Elsevier BV
Place of Publication: The Netherlands
ISSN: 0304-3894
Field of Research (FOR): 050304 Soil Chemistry (excl Carbon Sequestration Science)
050205 Environmental Management
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
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