title: Persistence studies with the herbicide clopyralid in prairie soils at different temperatures.
authors.affiliation: Agriculture Canada, Research Station, Regina.
authors.forename: A E
authors.initials: AE
authors.lastname: Smith
authors.forename: A J
authors.initials: AJ
authors.lastname: Aubin
mesh_terms: D002170:Canada; D006540:Herbicides / Q000032:analysis*; D010573:Pesticide Residues / Q000032:analysis*; D010848:Picolinic Acids / Q000032:analysis*; D012989:Soil Pollutants / Q000032:analysis*
chemical_list: D006540:Herbicides; D010573:Pesticide Residues; D010848:Picolinic Acids; D012989:Soil Pollutants; C011767:clopyralid