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001     16336
005     20200423203024.0
024 7 _ |2 pmid
|a pmid:22782855
024 7 _ |2 pmc
|a pmc:PMC3465778
024 7 _ |2 DOI
|a 10.1002/etc.1851
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|a WOS:000307938500004
037 _ _ |a PreJuSER-16336
041 _ _ |a eng
082 _ _ |a 690
084 _ _ |2 WoS
|a Environmental Sciences
084 _ _ |2 WoS
|a Toxicology
100 1 _ |a Jablonowski, N.D.
|b 0
|u FZJ
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245 _ _ |a Dry-wet cycles increase pesticide residue release from soil
260 _ _ |a Lawrence, KS
|b SETAC [u.a.]
|c 2012
295 1 0 |a ..
300 _ _ |a 1941 - 1947
336 7 _ |a Journal Article
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336 7 _ |a JOURNAL_ARTICLE
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336 7 _ |a article
|2 DRIVER
440 _ 0 |a Environmental Toxicology and Chemistry
|x 0730-7268
|0 1870
|y 9
|v 31
500 _ _ |a We acknowledge with thanks the initial support and funding of the lysimeter studies and the provision of the chemical standards by Bayer Crop Science. The accurate and reliable laboratory assistance and DOC/TN analyses by M. Krause are highly appreciated. We also thank the technical staff of IBG-3 for the continuous maintenance of the outdoor lysimeters. The entire experiment was conducted at IBG-3: Agrosphere Institute. Thanks to A. Wagner for his reliable help with LaTeX.
520 _ _ |a Soil drying and rewetting may alter the release and availability of aged pesticide residues in soils. A laboratory experiment was conducted to evaluate the influence of soil drying and wetting on the release of pesticide residues. Soil containing environmentally long-term aged (9-17 years) (14) C-labeled residues of the herbicides ethidimuron (ETD) and methabenzthiazuron (MBT) and the fungicide anilazine (ANI) showed a significantly higher release of (14) C activity in water extracts of previously dried soil compared to constantly moistened soil throughout all samples (ETD: p < 0.1, MBT and ANI: p < 0.01). The extracted (14) C activity accounted for 44% (ETD), 15% (MBT), and 20% (ANI) of total residual (14) C activity in the samples after 20 successive dry-wet cycles, in contrast to 15% (ETD), 5% (MBT), and 6% (ANI) in extracts of constantly moistened soils. In the dry-wet soils, the dissolved organic carbon (DOC) content correlated with the measured (14) C activity in the aqueous liquids and indicated a potential association of DOC with the pesticide molecules. Liquid chromatography MS/MS analyses of the water extracts of dry-wet soils revealed ETD and MBT in detectable amounts, accounting for 1.83 and 0.01%, respectively, of total applied water-extractable parent compound per soil layer. These findings demonstrate a potential remobilization of environmentally aged pesticide residue fractions from soils due to abiotic stresses such as wet-dry cycles.
536 _ _ |a Terrestrische Umwelt
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653 2 0 |2 Author
|a Pesticides
653 2 0 |2 Author
|a Persistence
653 2 0 |2 Author
|a Remobilization
653 2 0 |2 Author
|a Leaching
653 2 0 |2 Author
|a Risk assessment
700 1 _ |a Linden, A.
|b 1
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700 1 _ |a Köppchen, St.
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700 1 _ |a Thiele, B.
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700 1 _ |a Hofmann, D.
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700 1 _ |a Burauel, P.
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773 _ _ |a 10.1002/etc.1851
|g Vol. 31, p. 1941 - 1947
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|t Environmental toxicology and chemistry
|v 31
|y 2012
|x 0730-7268
856 7 _ |2 Pubmed Central
|u http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3465778
856 4 _ |u https://juser.fz-juelich.de/record/16336/files/FZJ-16336.pdf
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913 1 _ |b Erde und Umwelt
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914 1 _ |y 2012
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