KalanchoeNitrogen CycleNitrogenPlant LeavesPlant RootsPlants, Genetically ModifiedNitrogen FixationNitrogen CompoundsNitrificationDenitrificationPlant ProteinsCell CyclePlanctomycetalesQuaternary Ammonium CompoundsNitrogen IsotopesGenes, PlantCrenarchaeotaArchaeaAmmoniaPlant ShootsPlant ExtractsNitrite ReductasesNitratesPlants, MedicinalEcosystemPhylogenyPlant DevelopmentOxidation-ReductionNitritesDNA, PlantBacteriaSeawaterSoilSoil MicrobiologyEnergy MetabolismGenes, ArchaealOceans and SeasPlants, ToxicNitrous OxideDNA, ArchaealGeologic SedimentsPlant CellsLipid MetabolismPlant StemsClimate ChangeAgricultureArabidopsisTrees