Title: Trace Element Concentrations of Iowa Surface Soils
Abstract:Trace elements in the environment have received considerable attention in recent years. This study was carried out to assess the concentrations of 15 trace elements in 171 representative Iowa surface ...Trace elements in the environment have received considerable attention in recent years. This study was carried out to assess the concentrations of 15 trace elements in 171 representative Iowa surface soils obtained from 30 counties, representing 41 major soil series in Iowa, which constitute 63.5% of the Iowa landscape. This was coupled with analysis of eight major elements. The trace metals were determined either by atomic absorption spectrophotometry or an argon plasma emission spectrometer in soil digests. The ranges, means, median, standard deviations, and frequency distribution of the elements studied are reported. Results showed that, in general, concentrations of the trace elements were significantly correlated (P < 0.01) with those of the major elements studied. With a few exceptions, the concentrations of trace elements were intercorrelated (P < 0.01), suggesting their presence in soils predominantly as mineral constituents.Read More
Publication Year: 2011
Publication Date: 2011-05-11
Language: en
Type: article
Indexed In: ['crossref']
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Cited By Count: 2
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