title: The influence of fertilization on nitrogen transformations in a grassland soil.
mesh_terms: D005308:Fertilizers; D009566:Nitrates / Q000032:analysis; D009584:Nitrogen / Q000032:analysis*; D006109:Poaceae; D000644:Quaternary Ammonium Compounds / Q000032:analysis; D012987:Soil / Q000032:analysis*
chemical_list: D005308:Fertilizers; D009566:Nitrates; D000644:Quaternary Ammonium Compounds; D012987:Soil; D009584:Nitrogen