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Abstract

Microbial degradation of 3-(3,4-dichlorophenyl)-1,1-dimethylurea (diuron) and mineralization of 4-chloro-2-methylphenoxyacetic acid (MCPA) were studied in soil samples taken from the ballast layers of three Swedish railway embankments. The degradation of diuron followed first-order kinetics and half-lives ranged between 122 and 365 days. The half-lives correlated strongly with microbial biomass estimated by substrate-induced respiration (SIR; R=-0.85; p

Keywords

railway ballast; MCPA; diuron; mineralization; metabolic and cometabolic degradation

Published in

Soil Biology and Biochemistry
2007, number: 39
Publisher: Elsevier

SLU Authors

  • Önneby, Karin

    • Sveriges lantbruksuniversitet, Swedish University of Agricultural Sciences
  • Stenström, John

    • Sveriges lantbruksuniversitet, Swedish University of Agricultural Sciences
  • Börjesson, Elisabet

    • Sveriges lantbruksuniversitet, Swedish University of Agricultural Sciences
  • Cederlund, Harald

    • Sveriges lantbruksuniversitet, Swedish University of Agricultural Sciences

Publication identifier

  • DOI: https://doi.org/10.1016/j.soilbio.2006.08.018

Permanent link to this page (URI)

https://res.slu.se/id/publ/123963