uid=KBS,o=lter,dc=ecoinformatics,dc=orgalluid=sbohm,o=lter,dc=ecoinformatics,dc=orgallpublicreadhttps://lter.kbs.msu.edu/datasets/206.emlLTAR agronomic production datasets at the Kellogg Biological Station, Hickory Corners, MI (2021 to 2023)G.RobertsonMichigan State University3700 East Gull Lake DriveHickory CornersMI49060US(269) 760-8364(269)671-2351robert30@msu.eduhttp://orcid.org/0000-0001-9771-9895BrookWilkeMichigan State UniversityHickory CornersMichigan49060US(269) 671-2242wilkebro@msu.eduhttps://orcid.org/0000-0001-6746-5206principal contact2024-03-28Dataset Abstractoriginal data source http://lter.kbs.msu.edu/datasets/206LTERKBSKellogg Biological StationHickory CornersMichiganGreat LakesPrimary ProductionPopulationsInorganic NutrientsLTER Core Research Areafarmingbiotahttps://apps.usgs.gov/thesaurus/thesaurus-full.php?thcode=15Data in the KBS LTER core database may not be published without written permission of the lead investigator or project director.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-85.404699-85.36685742.42026542.3910192021-08-102023-05-03Kellogg Biological StationData Managerlter.data.manager@kbs.msu.eduhttp://lter.kbs.msu.edu02vkce854KBS LTERhttps://lter.kbs.msu.edu/datatables/690Kellogg Biological Station LTER: LTAR yield data (LTAR002-001)Yield data from the KBS Long-term Agroecosystem ResearchLTAR+yield+data.csvNone341\ncolumn,no"\https://lter.kbs.msu.edu/datatables/690.csvharvest_datethe day the harvest started and normally also endedYYYY-MM-DD11987-4-18treatmentLTAR treatmentLTAR treatmentreplicatereplicate within a treatmentintegercropNominal Crop nameNominal Crop namespeciesspecies plantedspecies plantedfractionharvested plant fractionharvested plant fractionvarietieslist of planted varietieslist of planted varietiestransgenic_traitstransgenic traits of the varieties plantedtransgenic traits of the varieties plantedseed_treatmentseed treatments applied to cropseed treatments applied to cropharvest_area_haharvested areahectarerealdry_matter_yield_kg_hadry matter yield calculated at 0% moisturekilogramsPerHectarerealplot_typeLTAR plot, field or prairie stripLTAR plot, field or prairie stripyield_bu_acagronomic yield in bushel per acre at standard moisture (15.5% for corn, 13 % for soybean and wheatbushelsPerAcrerealyield_short_ton_acyield in short tons per acre at standard moisture (15.5 % for corn, 13% for wheat and soybean and 15 % for forages)tonsPerAcrerealcommentcomments about the observationcomments about the observationhttps://lter.kbs.msu.edu/datatables/691Kellogg Biological Station LTER: LTAR crop stand count data (LTAR002-002)Stand count data from the KBS Long-term Agroecosystem ExperimentLTAR+crop+stand+count+data.csvNone301\ncolumn,no"\https://lter.kbs.msu.edu/datatables/691.csvsample_datedate of samplingdatetimelocation_namegiven name of the location, either a plot or a fieldgiven name of the location, either a plot or a fieldtreatmentLTAR treatmentLTAR treatmentreplicatereplicate of a treatmentintegersample_locationsampling location within a plot or a fieldsampling location within a plot or a fieldcropThe crop planted in the yearThe crop planted in the yearspeciesscientific name of the cropscientific name of the cropsample_areathe sampling areaasquareFootrealstand_countstand count per hectarehectareintegertypeLTAR plot, field or prairie stripLTAR plot, field or prairie striphttps://lter.kbs.msu.edu/datatables/756Kellogg Biological Station LTER: Forage Quality (LTAR002-003)Forage quality is an important measure of the value of a crop for livestock consumption. We measure a variety of quality indicators that are summarised in this table.Forage+Quality.csvNone461\ncolumn,no"\https://lter.kbs.msu.edu/datatables/756.csvtreatmentField treatmentField treatmentreplicatefield replicatefield replicateharvest_datedate the material was collected from the fieldYYYY-MM-DD11987-4-18fractioncrop fraction removedcrop fraction removeddry_matter_kg_hacrop yield as dry matterkilogramsPerHectarerealdmdry mattergramsPerHectogramrealcpCrude ProteingramsPerHectogramrealadfAcid detergent fibergramsPerHectogramrealandfneutral detergent fibergramsPerHectogramrealcainorganic calciumgramsPerHectogramrealpphosphorusgramsPerHectogramrealkpotassiumgramsPerHectogramrealmgMagnesiumgramsPerHectogramrealdndf48digestible neutral detergent fiber 48 hoursgramsPerHectogramrealivtdmd48in-vitro true dry matter digestibility 48 hoursgramsPerHectogramrealndfd48neutral detergent fiber digestibility 48 hours ?gramsPerHectogramrealashashgramsPerHectogramrealfatfatgramsPerHectogramrealligninLigningramsPerHectogramrealstarchstarchgramsPerHectogramrealescsugarsgramsPerHectogramrealfructanfructangramsPerHectogramrealwscwater soluble carbohydratesgramsPerHectogramrealadicpacid detergent insoluble crude proteingramsPerHectogramrealndicpneutral detergent insoluble crude proteinneutral detergent insoluble crude proteinandformneutral detergent fiber ash freegramsPerHectogramrealbarcodeinternal KBS-LTAR barcode to refer to this particular sampleinternal KBS-LTAR barcode to refer to this particular samplehttps://lter.kbs.msu.edu/datatables/760Kellogg Biological Station LTER: N15 content of selected plant biomass samples (LTAR002-004)Natural abundance N15 measurements were made to estimate the amount of N fixation in different cropping systems. N15+content+of+selected+plant+biomas+samples.csvNone251\ncolumn,no"\https://lter.kbs.msu.edu/datatables/760.csvsample_datethe date the plants were sampledYYYY-MM-DD11987-4-18treatmentthe field treatment sampledthe field treatment sampledreplicatethe replicate sampledthe replicate sampledspeciesthe species sampledthe species sampleddelta_n15the measured dleta N15 value in ppbrealgeometrythe plot polygon as well known textthe plot polygon as well known text