title: Comparison of the persistence of ethalfluralin and trifluralin in Saskatchewan field soils.
mesh_terms: D002849:Chromatography, Gas; D006540:Herbicides / Q000032:analysis*; D012525:Saskatchewan; D012987:Soil / Q000032:analysis*; D013997:Time Factors; D014052:Toluidines / Q000032:analysis*; D014274:Trifluralin / Q000031:analogs & derivatives / Q000032:analysis*
chemical_list: D006540:Herbicides; D012987:Soil; D014052:Toluidines; C027392:ethafluralin; D014274:Trifluralin