nitrifying bacteria
noun [ plural ] biology specialized uk/ˌnaɪ.trɪ.faɪ.ɪŋ bækˈtɪə.ri.ə/ us/ˌnaɪ.trə.faɪ.ɪŋ bækˈtɪr.i.ə/
硝化细菌
bacteria in the ground that change the nitrogen in dead plants into a form that growing plants can use for food