PhosphorusPhosphorus, DietaryPhosphorus CompoundsNitrogen FixationNitrogen CompoundsNitrogen IsotopesBlood Urea NitrogenNitrogen CycleNitrogen DioxidePhosphatesPhosphorus Metabolism DisordersFertilizersReactive Nitrogen SpeciesMineralsSoil6-PhytaseCarbonParathyroid HormoneHyperphosphatemiaPhosphorus IsotopesNitrogen OxidesBiomassCalcium, DietaryPII Nitrogen Regulatory ProteinsNitrogenEutrophicationCalciumPlant RootsNitratesAmmoniaAnimal FeedDietQuaternary Ammonium CompoundsMagnetic Resonance SpectroscopyPhytic AcidHypophosphatemiaManureUreaPlant ShootsDigestionPlant LeavesGlutamate-Ammonia LigaseBone and BonesSoybeansAmino AcidsSymbiosisSewageCalcitriolPhosphitesMagnesiumEcosystemNephrocalcinosisPolyphosphatesHyperparathyroidism, SecondaryElectron Probe MicroanalysisAlkaline PhosphataseFood AdditivesKidney Failure, ChronicRenal DialysisAnimal Nutritional Physiological PhenomenaRicketsNitrogen Mustard CompoundsHydrogen-Ion ConcentrationAgricultureFresh WaterNitrogenaseNutritional RequirementsBacteriaPhytoplanktonMycorrhizaeSwineWaste Disposal, FluidFecesBioreactorsHalomonadaceaeElementsAbsorptionPhosphorus RadioisotopesCulture MediaSulfurCalcium CarbonateCalcium CompoundsAluminumBacterial ProteinsParathyroid GlandsZea maysLupinusRenal Insufficiency, ChronicCrops, AgriculturalPoaceaeMolecular Sequence DataSoil MicrobiologyTime FactorsWater QualityPhotosynthesisPhosphocreatineWater PurificationRenal OsteodystrophyBody WeightVitamin D