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recalcitrant to study due to the wide range of organisms participating in these  reactions and our inability to discern diagnostic functional genetic markers.  \paragraph{}  Excluding plant biomass, there are 2,300 Pg of carbon (C) stored in soils  worldwide which accounts for $\sim$80\% of the global terrestrial C pool  \citep{Amundson_2001,BATJES_1996}. When organic C from plants reaches soil it