The majority of the microbial carbon cycling activity will typically occur in

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Microbial carbon cycling activity, which includes processes such as decomposition and respiration, is primarily carried out by microorganisms in the topsoil layer where organic matter accumulates and provides a source of energy for these organisms. While some microbial activity may occur in other depths of soil, the majority will be in the topsoil.

The Majority of the Microbial Carbon Cycling Activity Will Typically