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Getenga, Z.M.* ; Dörfler, U. ; Schroll, R.

Study of atrazine degradation in soil from Kenyan sugarcane-cultivated fields in controlled laboratory conditions.

Toxicol. Environ. Chem. 91, 195-207 (2009)
DOI
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
A study to compare the extent of atrazine mineralization in soils from Kenyan sugarcane-cultivated fields with and without history of atrazine use was carried out in the laboratory under controlled conditions. The study was testing the hypothesis that repeated atrazine application to soil will not result in enhanced atrazine mineralization. The study was carried out with 14C-uniformly ring-labeled atrazine in a laboratory under controlled conditions. Atrazine mineralization to 14CO2 in soil with no history of atrazine use was negligible (0.16%) after 163 days of soil incubation. The three metabolites hydroxyatrazine, desisopropylatrazine, and desethylatrazine in the proportion of 17.7%, 1.3%, and 2.6%, respectively, were in the soil after 75 days. In the soil from the sugarcane-cultivated field with history of atrazine use, atrazine mineralization was 89.9% after 98 days. The same soil, amended with mature compost, showed a lag phase of eight days before rapid atrazine mineralization was observed.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter atrazine; metabolites; mineralization; lag phase; compost
ISSN (print) / ISBN 0277-2248
e-ISSN 1029-0486
Zeitschrift Toxicological and Environmental Chemistry
Quellenangaben Band: 91, Heft: 2, Seiten: 195-207 Artikelnummer: , Supplement: ,
Verlag Taylor & Francis
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Soil Ecology (IBOE)