13-Dynamics of microbial community composition and

13-Dynamics of microbial community composition and soil organic carbon mineralization in soil following addition of pyrogenic and fresh organic matter.ORIGINALARTICLEDynamicsofmicrobialcommunitycompositionandsoilorganiccarbonmineralizationinsoilfollowingadditionofpyrogenicandfreshorganicmatterTheaWhitman1,2,CharlesPepe-Ranney1,AkioEnders1,ChantalKoechli1,AshleyCampbell1,DanielHBuckley1andJohannesLehmann1,31SchoolofIntegrativePlantScience,CornellUniversity,Ithaca,NY,USA;2DepartmentofSoilScience,UniversityofWisconsin—Madison,Madison,WI,USAand3AtkinsonCenterforaSustainableFuture,CornellUniversity,Ithaca,NY,USAPyrogenicorganicmatter(PyOM)additionstosoilscanhavelargeimpactsonsoilorganiccarbon(SOC)cycling.AsthesoilmicrobialcommunitydrivesSOCfluxes,understandinghowPyOMadditionsaffectsoilmicrobesisessentialtounderstandinghowPyOMaffectsSOC.WestudiedSOCdynamicsandsurveyedsoilbacterialcommunitiesafterOMadditionsinafieldexperiment.Weproducedandmixedineither350°CcornstoverPyOMoranequivalentinitiala