We investigated the effects of maize straw and its biochar application on soil organic carbon chemical composition, the abundance of carbon degradation genes (I) and the composition of I gene community in a Moso bamboo forest, to provide the theoretical and scientific basis for enhancing carbon sequestration. We conducted a one-year field experiment in a subtropical Moso bamboo forest with three treatments: control (0 t C·hm), maize straw (5 t C·hm), and maize straw biochar (5 t C·hm). Soil samples were collected at the 3 and 12 months after the treatment.
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