Fig. 5From: The effect of biochar on nitrogen availability and bacterial community in farmlandBiochar regulation mechanism on soil nitrogen availability. AMO: Ammonia monooxygenase; Hao: Hydroxylamine oxidoreductase; NOR: Nitrite oxidoreductase; Nar: Nitrate reductase; Nir: Nitrite reductase; Nor: Nitric oxide reductase; Nos: Nitrous oxide reductaseBack to article page