Journal
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
Volume 21, Issue 7, Pages 4906-4913Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s11356-012-1244-y
Keywords
Groundwater; Pesticide; Pollution; Retention; Transfer; K-d
Categories
Funding
- Conseil General de la Marne
- French Ministry for Research
- European Fund for Regional Development (FEDER)
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The transfer of eleven phenylurea herbicides through soil columns was investigated in laboratory conditions in order to determine leaching properties in a calcareous soil. Elution curves with distilled water were plotted after herbicide application on the soil column. Phenylurea retention by the soil indicating interactions with soil can be classified as follows: fenuron < fluometron a parts per thousand currency sign isoproturon = monuron < metoxuron < monolinuron < metobromuron < chlorotoluron < linuron = diuron < chlorbromuron. The number and nature of halogen atoms on the phenyl ring had an important influence on leaching. Retention was higher for molecules with higher number of halogen, and it was also higher for bromine than chlorine. Column elution experiments were compared to batch experiments from which the distribution coefficients K (d) were determined. According to Kendall correlation coefficients, parameter m/m (0max) from column experiments was relatively well linked to K (d). In case of phenylurea, a linear relationship between K (d) and m/m (0max) was established.
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