HerbicidesAutoanalysisHerbicide ResistanceChemistry, ClinicalAtrazineQuality ControlPsoralens2,4-Dichlorophenoxyacetic AcidEvaluation Studies as Topic2-Methyl-4-chlorophenoxyacetic AcidAutomationSubstance Abuse DetectionSensitivity and SpecificityImmunoassayLinuronPlant WeedsCross-Over StudiesPolymerase Chain ReactionStatistics as TopicReproducibility of Results2,4,5-Trichlorophenoxyacetic AcidFalse Positive ReactionsAcetolactate SynthaseTrifluralinSpecimen HandlingSimazineTandem Mass Spectrometry3-Phosphoshikimate 1-CarboxyvinyltransferaseWeed ControlParaquatPicloramDicambaProtoporphyrinogen OxidaseDiuronTriazinesLoliumDelftia acidovoransToluidinesDefoliants, ChemicalChlorophenolsTime FactorsPesticidesSulfonylurea CompoundsAminobutyratesAgriculture4-Hydroxyphenylpyruvate DioxygenaseMethylurea CompoundsPropanilPhenyl EthersAgrochemicalsDiquatPlants, Genetically ModifiedPesticide ResiduesGlycineAgricultural Workers' DiseasesHeterocyclic Compounds, 2-RingCrops, AgriculturalWater Pollutants, ChemicalFungicides, IndustrialBiodegradation, EnvironmentalGlycolatesCyclohexanonesAmaranthusSoil PollutantsAcetamidesDrug ResistanceAcetyl-CoA CarboxylaseAlismatidaeOxidoreductases Acting on CH-CH Group Donors