Predicting the Accumulation of Organic Contaminants from Soil by Plants

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Title Predicting the Accumulation of Organic Contaminants from Soil by Plants
Author Cropp, Roger Allan; Hawker, Darryl William; Boonsaner, Maliwan
Journal Name Bulletin of Environmental Contamination and Toxicology
Year Published 2010
Place of publication United States
Publisher Springer
Abstract Analytic expressions for maximum chemical concentration attained in plants, and time this takes for uptake from surrounding soil were derived from a simple two-compartment soil/water–plant model. To illustrate, for the antibiotic norflxacin undergoing first order loss in the soil/water phase with a rate constant of 0.544 days-1, maximum concentration in soybean PMAX is predicted to occur after 2.79 days exposure and be independent of initial soil/water concentration SW0 of 52.5 mg kg-1 dry weight. For soybean, the relationship between PMAX and SW0 is PMAX = 0.047SW0, resulting in predicted maximum levels of 2.20 mg kg-1 dry weight. Modelled plant concentrations agreed well with experimental data (R2 = 0.91).
Peer Reviewed Yes
Published Yes
Alternative URI
Volume 85
Issue Number 5
Page from 525
Page to 529
ISSN 0007-4861
Date Accessioned 2010-12-01
Language en_AU
Faculty Faculty of Science, Environment, Engineering and Technology
Subject Environmental Chemistry (incl Atmospheric Chemistry)
Publication Type Journal Articles (Refereed Article)
Publication Type Code c1

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