uid=KBS,o=lter,dc=ecoinformatics,dc=orgalluid=sbohm,o=lter,dc=ecoinformatics,dc=orgallpublicreadhttps://lter.kbs.msu.edu/datasets/207.emlG.RobertsonMichigan State University

3700 East Gull Lake DriveHickory CornersMI49060US

(269) 760-8364(269)671-2351robert30@msu.edu0000-0001-9771-9895BrookWilkeMichigan State University

Hickory CornersMichigan49060US

(269) 671-2242wilkebro@msu.edu0000-0001-6746-5206original investigatorStaceyVanderWulpMichigan State University

3700 East Gull Lake DriveHickory CornersMI49060US

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

3700 East Gull Lake DriveHickory CornersMI49060US

(269) 205-3821(269 )671-2333bohms@msu.edu0000-0002-6224-7848data manager2026-03-13

original data source http://lter.kbs.msu.edu/datasets/207

LTERKBSKellogg Biological StationHickory CornersMichiganGreat LakesInorganic NutrientsDisturbanceLTER 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Areafarmingbiotahttps://apps.usgs.gov/thesaurus/thesaurus-full.php?thcode=15Data in the KBS LTER core database may not be published without written permission of the lead investigator or project director.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-85.404699-85.36685742.42026542.3910192021-04-012025-12-31Kellogg Biological StationData Managerlter.data.manager@kbs.msu.eduhttp://lter.kbs.msu.edu02vkce854KBS LTERThe amount of water or moisture in a given mass of soil is highly variable and is important to measure in field studies because it affects microbial activity, nutrient movement, and plant growth. To measure soil moisture content by the gravimetric method, a subsample of a fresh, sieved composite sample or a fresh soil core is weighed, oven dried until there is no further mass loss, and then reweighed. The moisture content is expressed as mass of water per mass of dry soil. Sampling frequency: Depends on experiment and research objective. Soil moisture is routinely measured as part of our LTER core soil sampling for inorganic N, N mineralization, and greenhouse gas fluxes.Data Managerhttp://lter.kbs.msu.edu/protocols/24programhttps://lter.kbs.msu.edu/datatables/668Kellogg Biological Station LTER: Agronomic Soil Test Results for LTAR ACSE Fields (LTAR001_002)Pre-LTAR (2016) and LTAR baseline (04/2021) soil test resultsAgronomic+Soil+Test+Results+for+LTAR+ACSE+Fields.csvNone381\ncolumn,no"\https://lter.kbs.msu.edu/datatables/668.csvlongitudelongitude in CRS: EPSG:4326 - WGS 84degreereallatitudelatitude in CRS: EPSG:4326 - WGS 84degreerealpHpH valuedimensionlessrealcecCation Exchange CapacitymilligramsPerKilogramrealphosphorusBray - P1milligramsPerKilogramrealpotassiumpotassiummilligramsPerKilogramrealcalciumcalciummilligramsPerKilogramrealmagnesiummangnesiummilligramsPerKilogramrealsoil_depthsoil sampling depthsoil sampling depthlime_indexLime indexdimensionlessrealSO4_SSO4milligramsPerKilogramrealz_ppmzincmilligramsPerKilogramrealhttps://lter.kbs.msu.edu/datatables/696Kellogg Biological Station LTER: Agronomic Soil Test (LTAR003-002)LTAR agronomic soil chemistry data. These samples are generally taken to generate fertilizer recommendations. In 2021 the samples were analyzed by the MSU Soil Fertility lab. Later samples were analyzed at the AL Great Lakes Lab.Agronomic+Soil+Test.csvNone351\ncolumn,no"\https://lter.kbs.msu.edu/datatables/696.csvsample_datedate of soil samplingYYYY-MM-DD11987-4-18location_namename of the sampling plot, field or prairie stripname of the sampling plot, field or prairie striptreatmentexperimental treatmentexperimental treatmentreplicateLTAR replicateLTAR replicatepHmeasured pHdimensionlessreallime_indexlime indexdimensionlessrealphosphorusBray P1 phosphorusmicrogramsPerGramrealpotassiumpotassiummicrogramsPerGramrealcalciumcalciummicrogramsPerGramrealmagnesiummagenesiummicrogramsPerGramrealest_ceccation exchange capacity in meq/100g soilmilliEquivalentsPerHundredGramrealcommenta comment about the observationa comment about the observationcampaignsampling campaignsampling campaigntop_depth_cmthe top depth of the sample as measured from the soil surfacecentimeterrealbottom_depth_cmthe bottom depth of the sample as measured from the soil surfacecentimeterreallabThe soil test lab that performed the analysisThe soil test lab that performed the analysishttps://lter.kbs.msu.edu/datatables/835Kellogg Biological Station LTER: Gravimetric Soil Moisture (LTAR003-004)Gravimetric soil moisture from the LTAR plots. Soil is collected from 0 to 25 cm cores. A subsample is weighed wet and again after drying at 60 cGravimetric+Soil+Moisture.csvNone261\ncolumn,no"\https://lter.kbs.msu.edu/datatables/835.csvsample_datethe date the sample was removed from the fieldYYYY-MM-DD11987-4-18treatmentthe plot treatmentthe plot treatmentreplicatethe plot replicatethe plot replicatesubplotthe subplot identifier if anythe subplot identifier if anymoisture_percentthe gravimetric moisture percentage gramsPerHectogramrealcoresthe number of soil cores representing this sampleintegercommenta comment about the observation if anya comment about the observation if any