title: Nitrogen fixation in rumen contents indicated by the acetylene reduction test.
mesh_terms: D000114:Acetylene; D000818:Animals; D004044:Dietary Proteins; D005030:Ethylenes / Q000096:biosynthesis; D006041:Goats; D009586:Nitrogen Fixation; D010084:Oxidation-Reduction; D010088:Oxidoreductases / Q000378:metabolism; D011817:Rabbits; D012053:Reindeer; D012417:Rumen / Q000382:microbiology*; D012756:Sheep
chemical_list: D004044:Dietary Proteins; D005030:Ethylenes; D010088:Oxidoreductases; D000114:Acetylene