title: Determination of exchangeable inorganic nitrogen species in wetland soils.
mesh_terms: D000641:Ammonia / Q000032:analysis; D009566:Nitrates / Q000032:analysis; D009573:Nitrites / Q000032:analysis; D009584:Nitrogen / Q000032:analysis*; D011189:Potassium Chloride; D012987:Soil / Q000032:analysis*
chemical_list: D009566:Nitrates; D009573:Nitrites; D012987:Soil; D011189:Potassium Chloride; D000641:Ammonia; D009584:Nitrogen