Microbial biodegradation of the herbicide 2,4-D in soils and subsurface sediments

dc.contributor.author Welch, Jennifer
dc.contributor.department Agronomy
dc.date 2018-08-22T18:18:26.000
dc.date.accessioned 2020-06-30T07:59:24Z
dc.date.available 2020-06-30T07:59:24Z
dc.date.copyright Sun Jan 01 00:00:00 UTC 1995
dc.date.embargo 2017-10-19
dc.date.issued 1995
dc.description.abstract <p>Widespread usage and detection of agricultural chemicals in surface and ground water systems has prompted many researchers to monitor their fate in the environment. Despite the potentially important role of microorganisms in the biodegradation process, microbial responses to agricultural chemicals are largely unknown. Our investigations were an effort to determine the innate ability of surface soils and subsurface sediments to attenuate agricultural chemicals prior to chemical migration into aquifers. The objectives of our studies were to investigate microbial degradation potential of the herbicide 2,4-dichlorophenoxyacetic acid (2,4-D} and to determine baseline microbial populations and activities in surface and shallow subsurface sediments from two Midwestern agricultural watersheds. The size and diversity of microbial populations were investigated in soils and down into subsurface glacial till and alluvial sediments. The microbial, physical, and chemical characteristics were monitored to determine if any variables could be used as indicators in predicting herbicide biodegradation.</p>
dc.format.mimetype application/pdf
dc.identifier archive/lib.dr.iastate.edu/rtd/17363/
dc.identifier.articleid 18373
dc.identifier.contextkey 10925253
dc.identifier.doi https://doi.org/10.31274/rtd-180813-8148
dc.identifier.s3bucket isulib-bepress-aws-west
dc.identifier.submissionpath rtd/17363
dc.identifier.uri https://dr.lib.iastate.edu/handle/20.500.12876/71168
dc.language.iso en
dc.source.bitstream archive/lib.dr.iastate.edu/rtd/17363/ISU_1995_W45.pdf|||Fri Jan 14 21:21:19 UTC 2022
dc.subject.disciplines Agronomy and Crop Sciences
dc.subject.disciplines Water Resource Management
dc.title Microbial biodegradation of the herbicide 2,4-D in soils and subsurface sediments
dc.type article
dc.type.genre thesis
dspace.entity.type Publication
relation.isOrgUnitOfPublication fdd5c06c-bdbe-469c-a38e-51e664fece7a
thesis.degree.discipline Water Resources
thesis.degree.level thesis
thesis.degree.name Master of Science
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