uid=KBS,o=lter,dc=ecoinformatics,dc=orgalluid=sbohm,o=lter,dc=ecoinformatics,dc=orgallpublicreadhttps://lter.kbs.msu.edu/datasets/32.emlNicholasHaddadMichigan State University

3700 E Gull Lake DriveHickory Corners49060US

haddad@kbs.msu.edu0000-0002-1591-9322StaceyVanderWulpMichigan State University

3700 East Gull Lake DriveHickory CornersMI49060US

(269) 671-2339(269) 671-2333vanderws@msu.eduprincipal contactG.RobertsonMichigan State University

3700 East Gull Lake DriveHickory CornersMI49060US

(269) 760-8364(269)671-2351robert30@msu.edu0000-0001-9771-9895original investigator2026-05-20

original data source http://lter.kbs.msu.edu/datasets/32

LTERKBSKellogg Biological StationHickory CornersMichiganGreat LakescarbonnitrogenagriculturecarbontonitrogenrationitrogencontentCNOrganic MatterDisturbancePrimary ProductionLTER Core Research Areacarbonnitrogenplantcarbon to nitrogen rationitrogen contentagriculturefarmingbiotahttps://apps.usgs.gov/thesaurus/thesaurus-full.php?thcode=15Data in the KBS LTER core database may not be published without written permission of the lead investigator or project director. These restrictions are intended mainly to preserve the primary investigators' rights to first publication and to ensure that data users are aware of the limitations that may be associated with any specific data set. These restrictions apply to both the baseline data set and to the data sets associated with specific LTER-supported subprojects.All publications of KBS data and images must acknowledge KBS LTER support.The areas around the Kellogg Biological Station in southwest Michigan-85.404699-85.36685742.42026542.3910191989-07-142019-12-20Kellogg Biological StationData Managerlter.data.manager@kbs.msu.eduhttp://lter.kbs.msu.edu02vkce854KBS LTERTo measure the plant total C and N, plant material is oven dried, finely ground, packed in tin foil capsules, combusted in an automated CHN analyzer, and expressed as the percentage of element in dried plant material. Sampling frequency: Depends on experiment and research objective. For example, as part of our sampling program of the LTER Main Cropping System Experiment, C and N are determined annually in plant materials harvested at peak biomass for annual net primary production (ANPP).Data Managerhttp://lter.kbs.msu.edu/protocols/40Data Managerhttp://lter.kbs.msu.edu/protocols/147The Costech Elemental Combustion System 4010 is an automated combustion analyzer used to determine total carbon and nitrogen in soil and plant samples. This system employees a helium carrier gas to bring combustion gases to a gas chromatographic separation column and thermal conductivity detector. More information about the analyzer can be obtained from Costech Analytical Technologies (26074 Avenue Hall, Suite 13, Valencia, CA 91355 – USA or http://www.costechanalytical.com/) For preparation and analysis of plant material, see https://lter.kbs.msu.edu/protocols/40. For preparation and analysis of soil, see https://lter.kbs.msu.edu/protocols/37.Data Managerhttp://lter.kbs.msu.edu/protocols/148programNational Science Foundationhttp://dx.doi.org/10.13039/100000001DEB 2224712https%3A%2F%2Fnsf.gov%2Fawardsearch%2FshowAward%3FAWD_ID%3D2224712%26HistoricalAwards%3Dfalsehttps://lter.kbs.msu.edu/datatables/73Kellogg Biological Station LTER: Tissue Carbon and Nitrogen (KBS029-001)Percent C, N for crop and non-crop plants in the LTER Main Site treatments.Tisue+Carbon+and+Nitrogen.csvNone271\ncolumn,no"\https://lter.kbs.msu.edu/datatables/73.csvsample_datedate of sample harvestdate of sample harvestTrttreatmenttreatmentRepreplicatereplicatespeciesspecies measuredspecies measuredtypeclassification of species or differentiation of crop tissues, etc.classification of species or differentiation of crop tissues, etc.percent_Cpercent carbonpercent carbonpercent_Npercent nitrogenpercent nitrogenyearsample yearsample yearhttps://lter.kbs.msu.edu/datatables/434Kellogg Biological Station LTER: Plant CN content in T7 (KBS029-002)Total carbon and nitrogen content on the T7 treatment. This table is a compilation of the harvested biomass (http://lter.kbs.msu.edu/datatables/40) and the CN Tissue Chemistry (http://lter.kbs.msu.edu/datatables/73).Plant+CN+content+in+T7.csvNone291\ncolumn,no"\https://lter.kbs.msu.edu/datatables/434.csvyearthe sample yearYYYY11987-4-18treatmentthe treatment sampledthe treatment sampledreplicatethe plot replicate sampledthe plot replicate sampledstationthe station that was sampledthe station that was sampledspeciesthe species sampledthe species sampledbiomassthe amount of dry biomass of the species that was harvestedgramsPerSquareMeterrealpercent_cthe percent of carbon in the dry biomassgramsPerHectogramrealpercent_nthe percent of nitrogen in the dry biomassgramsPerHectogramrealcthe amount of carbon in the biomassgramsPerSquareMeterrealnthe amount of nitrogen in the biomassgramsPerSquareMeterreal