Plants, Genetically ModifiedPlant LeavesPlant ProteinsPlant RootsGenes, PlantNitrogen FixationPlant ShootsPlant ExtractsPlants, MedicinalPlant DevelopmentDNA, PlantPlants, ToxicPlant CellsPlant StemsNitrogen IsotopesNitrogen CompoundsNitrogen CycleGenome, PlantArabidopsisBlood Urea NitrogenNitrogen DioxidePlant StructuresPlants, EdiblePlant Growth RegulatorsReactive Nitrogen SpeciesArabidopsis ProteinsTobaccoPlant ImmunityNitrogen OxidesCarbonPlant EpidermisPII Nitrogen Regulatory ProteinsSoilBiomassAngiospermsFertilizersSymbiosisNitratesPlant StomataPhylogenySeedsAmmoniaPlant TranspirationAmino Acid SequenceZea maysPhotosynthesisPlant PoisoningRoot Nodules, PlantFabaceaeQuaternary Ammonium CompoundsFlowersLycopersicon esculentumEcosystemPlant Components, AerialPoaceaeBase SequencePlant TumorsChromosomes, PlantSeedlingMutationGlutamate-Ammonia LigaseHerbivoryPlant PreparationsPower PlantsSoybeansRhizobiumMycorrhizaeUreaAmino AcidsTreesBacterial ProteinsSpecies SpecificityOxylipinsMedicago sativaNitrogenaseNitrogen Mustard CompoundsPlant ExudatesPlant NectarTriticumIndoleacetic AcidsCyclopentanesSolanum tuberosumSoil MicrobiologyPhenotypePeasLightFungiPlant BarkPlant Physiological ProcessesModels, BiologicalChlorophyllWaterSalicylic AcidSequence AlignmentMedicine, TraditionalChloroplastsHordeumBrassicaAgricultureGermination