NitratesNitritesNitrogen CompoundsNitrate ReductaseNebraskaFertilizersMethemoglobinemiaWater Pollutants, ChemicalSoilAnion Transport ProteinsNitrogenWater SupplyAgricultureMethemoglobinNitric OxidePlant RootsFresh WaterEnvironmental MonitoringNitric Oxide SynthaseNitrate Reductase (NADH)Silver NitrateNitrate Reductase (NAD(P)H)ChloratesMolybdenumQuaternary Ammonium CompoundsGalliumIsosorbide DinitrateNitroglycerin