Soil Inorganic N in Cropped and Successional Communities

Soil Inorganic N in Cropped and Successional Communities<kbsml_text><p>under development</p></kbsml_text>LTERKBSKellogg Biological StationHickory CornersMichiganGreat LakesKellogg Biological StationData Manager

Kellogg Biological Station3700 East Gull Lake DriveHickory CornersMi49060USAdata.manager@kbs.msu.eduhttp://lter.kbs.msu.edu

uid=KBS,o=lter,dc=ecoinformatics,dc=orgallpublicreadSoil Inorganic N by TreatmentSoil inorganic nitrogen values by treatmentSoil Inorganic N by TreatmentNonecolumn,http://lternt2.kbs.msu.edu/Data/table.jsp?Product=KBS021-001&limitBy=Year&order=descYearYear in which the date occursyyyy864001987-4-18SampDatedate of samplingyyyy-mm-dd864001987-4-18TrttreatmenttreatmentAvg_iNO3soil nitrate pool averaged within treatment across replicates1realAvg_iNH4soil ammonium pool averaged within treatment across replicates1realSoil Inorganic N by PlotSoil inorganic nitrogen values by treatment and replicateSoil Inorganic N by PlotNonecolumn,http://lternt2.kbs.msu.edu/Data/table.jsp?Product=KBS021-003&tools=show&limitBy=Year&order=descYearyear in which the date occursyyyy864001987-4-18Campaignthe sampling effort with which the data is associatedthe sampling effort with which the data is associatedDatedate of soil samplingyyyy-mm-dd864001987-4-18Treatmentmain LTER treatmentmain LTER treatmentReplicatereplicate blockreplicate blockNitratesoil extractable nitrate plus nitrite, average of analytical replicates, screened for outliers and corrected for soil moisture1realAmmoniumsoil extractable ammonium, average of analytical replicates, screened for outliers and corrected for soil moisture1realSoil potential N mineralization rates by plotPeriodically, sub-samples from a soil sampling campaign are reburied in porous bags. After about 21 days, they are recovered and analyzed for N content. This table represents change in soil nitrate (plus nitrite) and ammonium over the incubation period.Soil potential N mineralization rates by plotNonecolumn,http://lternt2.kbs.msu.edu/Data/table.jsp?Product=KBS021-004&tools=show&limitBy=Year&order=descYearYear in which the inital sample date occursyyyy864001987-4-18Campaigneffort with which the sample is associatedeffort with which the sample is associatedTreatmenttreatmenttreatmentReplicatereplicate blockreplicate blockT0_Datedate on which the soil sample was initially analyzedyyyy-mm-dd864001987-4-18T21_Datedate on which the buried sample was retrievedyyyy-mm-dd864001987-4-18NetNitrificationdifference between final and initial nitrate plus nitrite levels, divided by duration1realNetAmmonificationdifference between final and initial ammonium levels, divided by duration1real