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A Field Investigation of Solubility and Food Chain Accummulation of Biosolid-Cadmium Across Diverse Soil Types

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Authors
McLaughlin, M.
Whatmuff, M.
Warne, M.
Heemsbergen, D.
Barry, G.
Bell, M.
Nash, D.
Pritchard, Deborah
Date
2006
Type
Journal Article

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McLaughlin, Mike J. and Whatmuff, Mark and Warne, Michael and Heemsbergen, Diane and Barry, Glenn and Bell, Mike and Nash, David and Pritchard, Deborah. 2006. A Field Investigation of Solubility and Food Chain Accummulation of Biosolid-Cadmium Across Diverse Soil Types. Environmental Chemistry 3: pp. 428-432.
Source Title
Environmental Chemistry
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Faculty
School of Agriculture and Environment
Faculty of Science and Engineering
Department of Agribusiness and Wine Science
School
Muresk Institute
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© 2008 CSIRO Publishing.

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Abstract

Cadmium is a potentially toxic metal that is an unwanted contaminant in urban wastewater biosolids, and has the potential to accumulate through the food chain. This study found that the accumulation of cadmium in wheat grain from application of urban biosolids to soils in Australia was less than cadmium in a water-soluble form. The critical soil cadmium concentration, above which wheat grain would exceed food contaminant limits, could also be simply predicted using the soil pH (acidity) and clay content.