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Leaching of nitrates and herbicides under low pressure (high volume) irrigation

dc.contributor.authorElliott, J.A.
dc.contributor.authorBest, K.B.
dc.contributor.authorNicholaichuk, W.
dc.contributor.authorCessna, A.J.
dc.contributor.authorGrover, R.
dc.contributor.authorToleffson, L.C.
dc.date.accessioned2018-09-14T13:30:52Z
dc.date.available2018-09-14T13:30:52Z
dc.date.issued1992-02-20
dc.description.abstractThe potential for contamination of groundwater by nitrates or pesticides from irrigated soils has not been fully evaluated. This project was initiated to monitor nitrate and herbicide leaching in a tile-drained field at SIDC in Outlook. Water samples were collected using suction lysimeters and analyzed for nitrate and four herbicides (2, 4-D, dicamba, bromoxynil and diclofop). The concentrations of nitrates at depth were maintained by the downward movement of applied andmineralized N. Trace amounts of 2, 4-D and diclofop were leached to 180 cm but bromoxynil and dicamba were not found below 60 cm depth. Dicamba and diclofop persisted longer in the soil than 2, 4-D or bromoxynil but were only present in trace amounts at the end of August.en_US
dc.description.versionNon-Peer Reviewed
dc.identifier.urihttp://hdl.handle.net/10388/10563
dc.language.isoenen_US
dc.relation.ispartofSoils and Crops Workshop
dc.rightsAttribution-NonCommercial-NoDerivs 2.5 Canada*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/2.5/ca/*
dc.titleLeaching of nitrates and herbicides under low pressure (high volume) irrigationen_US
dc.typePresentationen_US

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