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Multicorrelation models and uptake factors to estimate extractable metal concentrations from soil and metal in plants in pasturelands fertilized with manure

AuthorsLopes, Carla ; Herva, Marta; Franco-Uría, A. ; Roca, Enrique
KeywordsMulticorrelation models
Extractable soil
Plant uptake
Heavy metals
Risk assessment
Issue Date2012
CitationEnvironmental Pollution 166: 17-22 (2012)
AbstractEnvironmental risk assessment (ERA) is a useful methodology to estimate the possible adverse effects to human health due to contaminants exposure. In the case of agricultural scenarios, this method requires knowing the concentrations of contaminants in soil solution and vegetation, among other parameters. This study aimed to develop multicorrelation models to estimate metal extractable from soil as a function of total metal concentration in soil and soil properties in a cattle manure application scenario. It also aimed to estimate metal concentrations in plant by soil–plant uptake factors (UF). All the multicorrelation models obtained were significant, ranging R2 values from 0.44 for Cd to 0.92 for Cu. Soil–plant UF were an adequate method for the estimation of metal concentration in plant, since the relationship between the soil–plant UF and the extractable metal concentration from soil was significantly described by a power model, for all the heavy metals.
Description6 páginas, 1 figura, 3 tablas
Publisher version (URL)http://dx.doi.org/10.1016/j.envpol.2012.02.017
Appears in Collections:(IIM) Artículos
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