Atrazine Degradation in Pesticide-Contaminated Soils: Phytoremediation Potential

Ellen L. Kruger, Jennifer C. Anhalt, Diana Sorenson, Brett Nelson, Ana L. Chouhy, Todd A. Anderson, Joel R. Coats

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15 Scopus citations

Abstract

Studies were conducted in the laboratory to determine the fate of atrazine in pesticide-contaminated soils from agrochemical dealer sites. No significant differences in atrazine concentrations occurred in soils treated with atrazine individually or combinations with metolachlor and trifluralin. In a screening study carried out in soils from four agrochemical dealer sites, rapid mineralization of atrazine occurred in three out of eight soils tested, with the greatest amount occurring in Bravo rhizosphere soil (35% of the applied atrazine after 9 weeks). Suppression of atrazine mineralization in the Bravo rhizosphere soil did not occur with the addition of high concentrations of herbicide mixtures, but instead was increased. Plants had a positive impact on dissipation of aged atrazine in soil, with significantly less atrazine extractable from Kochia-vegetated soils than from nonvegetated soils.

Original languageEnglish
Pages (from-to)54-64
Number of pages11
JournalACS Symposium Series
Volume664
DOIs
StatePublished - 1997

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    Kruger, E. L., Anhalt, J. C., Sorenson, D., Nelson, B., Chouhy, A. L., Anderson, T. A., & Coats, J. R. (1997). Atrazine Degradation in Pesticide-Contaminated Soils: Phytoremediation Potential. ACS Symposium Series, 664, 54-64. https://doi.org/10.1021/bk-1997-0664.ch004