title: Nitrogen fixation in seawater.
mesh_terms: D000114:Acetylene / Q000378:metabolism; D001395:Azotobacter / Q000378:metabolism; D001419:Bacteria / Q000378:metabolism*; D009586:Nitrogen Fixation; D010084:Oxidation-Reduction; D012623:Seawater; D014852:Wales; D014871:Water Microbiology; D015003:Yeasts / Q000378:metabolism
chemical_list: D000114:Acetylene