The uptake of cadmium,lead and selenium by barley and cabbage grown on soils amended with refuse incinerator fly ash |
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Authors: | A Wadge M Hutton |
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Institution: | (1) Department of Human Environmental Science, King's College London, Hortensia Road, SW10 0QX London, UK;(2) Monitoring and Assessment Research Centre (MARC), King's College London, The Octagon Building, 459A Fulham Road, SW10 0QX London, UK |
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Abstract: | Summary Barley and cabbage plants grown in the greenhouse on soils amended with refuse incinerator fly ash contained significantly
elevated levels of Cd, Pb and Se, with Cd uptake being greatest in both plant species. Cabbage grown on 20% ash amended soil
contained 146 times more Cd than controls. Cadmium and Se appeared to be less available in a successive barley crop after
overwintering the pots of soil outside, but elemental concentrations still remained elevated. Comparisons with data from other
studies indicated that Cd availability was greater from refuse fly ash than from sewage sludge. |
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Keywords: | Cadmium Fly ash Lead Refuse incineration Selenium Uptake of trace elements |
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