Main Cropping System Experiment

Main Cropping System ExperimentJamesCrum

Michigan State UniversityEast LansingMI48824

(517) 355-0271 x1134(517)353-5174crum@msu.eduBoydEllis

Michigan State UniversityEast LansingMI48824USA

ellis@msu.eduStuartGage

Michigan State University209 Manly Miles Bldg.East LansingMI48824

(517) 355-2135(517)343-4354gages@msu.eduKatherineGross

Michigan State University3700 East Gull Lake DriveHickory CornersMI49060

(269) 671-2235(269)671-2351kgross@kbs.msu.eduL.Hart

Michigan State UniversityEast LansingMI48824

hartl@msu.eduKathrineKlingensmith

Keuka CollegeKeuka ParkNY14478USA

(315) 536-5379DanielLawson

Johnson and Johnson

JohnLockwood

MIchigan State University

jjlockwood@aol.comEldorPaul

Colorado State UniversityFort CollinsCO80523USA

eldor@nrel.colostate.eduKeithPaustian

Colorado State UniversityFort CollinsCO80523USA

(970) 491-1547(970)491-1965keithp@nrel.colostate.eduKurtPregitzer

Michigan Tech UniversityHoughtonMI49931USA

(906) 487-2396(906)487-2915kspregit@mtu.eduKarenRenner

Michigan State UniversityEast LansingMI48824USA

(517) 355-0271 x1233(517)353-5174renner@msu.eduJ.Scriber

Michigan State UniversityEast LansingMI48824USA

(517) 355-4662(517)353-9581scriber@msu.eduAlvinSmucker

Michigan State UniversityEast LansingMI48824USA

(517) 355-0271 x1251(517)355-0270smucker@msu.eduG.Robertson

Michigan State University3700 East Gull Lake DriveHickory CornersMI49060

(269) 671-2267(269)671-2351robertson@kbs.msu.eduMost long-term hypotheses associated with the KBS LTER site are being tested within the context of the main cropping systems study. This study was established on a 48 ha area on which a series of 7 different cropping systems were established in spring 1988, each replicated in one of 6 ha blocks. An eighth never-tilled successional treatment, is located 200 m off-site, replicated as four 0.06 ha plots. Cropping systems include the following treatments: <ol> <li>standard chemical input corn/soybean/wheat rotation conventionally tilled (corn/soybean prior to 1992) </li> <li>standard chemical input corn/soybean/wheat rotation no-tilled (corn/soybean prior to 1992) </li> <li>low chemical input corn/soybean/wheat rotation conventionally tilled (ridge till prior to 1994) </li> <li>zero chemical input corn/soybean wheat rotation conventionally tilled (ridge till prior to 1994) </li> <li>Populus clones on short-rotation (6-7 year) harvest cycle </li> <li>continuous alfalfa, replanted every 6-7 years </li> <li>early successional community on historically tilled soil </li> <li>successional community on never-tilled soil. </li> </ol> For specific crops in a given year see the Annual Crops Summary Table. In 1993 a series of forest sites were added to the main cropping system study to provide long-term reference points and to allow hypotheses related to substrate diversity to be tested. These include: <ul> <li>DF - three deciduous forest stands, two old-growth and one 40-60 years post-cutting </li> <li>CF - three conifer plantations, 40-60 years old </li> <li>SF - three old-field (mid-successional) sites 40+ years post-abandonment. </li> </ul> All share a soil series with the main cropping system treatments, and are within 5 km of all other sites. For each system (and for a number of microplot treatments nested within the main treatment plots) the following baseline variates are being measured (described in greater detail in other data set descriptors): <ul> <li>plant characteristics, including species distributions and abundances, net aboveground productivity by functional group (crop vs. non dominant biomass, selected non dominant biomass), economic yields, tissue C and N contents, seed bank composition; </li> <li>soil chemical and physical characteristics, including soil moisture, pH, inorganic N and P pools, total C, N, and P pools, bulk density; </li> <li>soil biological characteristics, including microbial biomass C and N, N mineralization rates (buried bags), microbial populations, invertebrate populations; and </li> <li>insect and pathogen dynamics, including distributions and abundances of major insect pests and predators and of Fusarium pathogens. </li> </ul> 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=orgallpublicreadAgronomic Field LogThis is a log of agronomic activity on the LTER site.Agronomic Field LogNonecolumn,http://houghton.kbs.msu.edu:4070/obsDateusually the date on which the observation was authored, unless otherwise notedyyyy-mm-dd864001987-4-18observationprose text representing an observation, e.g. a log entryprose text representing an observation, e.g. a log entryauthorthe author of the observationthe author of the observationMain Site Planting Details by Year and TreatmentCrops are rotated each year for the main agronomic treatments of the LTER main site experiment(s). This is a record of planting details.Main Site Planting Details by Year and TreatmentNonecolumn,http://lternt2.kbs.msu.edu/Data/table.jsp?Product=KBS004-002Yearthe year of the crop's main growing season. Wheat is planted in the calendar year prior to its growing season. Other crops and cover crops are planted in the same calendar year as their main growing season.yyyy864001987-4-18Treatmentmain site treatmentmain site treatmentCropmain crop or cover crop planted (in all replicates) of the treatmentmain crop or cover crop planted (in all replicates) of the treatmentProject Manager's LogThis is a log of research activity on the LTER site.Project Manager's LogNonecolumn,http://lternt2.kbs.msu.edu/Data/table.jsp?Product=KBS004-003&limitBy=Year&order=desc&format=recordobsDateusually the date on which the observation was authored, unless otherwise notedyyyy-mm-dd864001987-4-18observationprose text representing an observation, e.g. a log entryprose text representing an observation, e.g. a log entrynamethe author of the observationthe author of the observationYearYear in which the date occursyyyy864001987-4-18Soil Sampling LogThis is a log of the soil sampling done as part of the baseline data collection. Soil Sampling LogNonecolumn,http://lternt2.kbs.msu.edu/Data/table.jsp?Product=KBS004-004&limitBy=Year&order=desc&format=recordDatesampling dateyyyy-mm-dd864001987-4-18Yearyear in which sampling date occursyyyy864001987-4-18Purposethe reason for samplingthe reason for samplingCoresnumber of cores collectednumber1integerStationsnumber of stations samplednumber1integerTreatments_Sampledwhich treatments were sampledwhich treatments were sampledStations_Sampledwhich stations were sampledwhich stations were sampledDepth_sampleddepth to which samples were takencentimeter1realInstrumentequipment used for samplingequipment used for samplingSub-samplessub-samples generated, if anysub-samples generated, if anyExtractions_Stored_Instorage location of extractions from soil samplesstorage location of extractions from soil samplesCommentsgeneral comments regarding the samplesgeneral comments regarding the samplesTreatment DescriptionsMain site treatments for the KBS LTER experiment are briefly described.Treatment DescriptionsNonecolumn,http://lternt2.kbs.msu.edu/Data/table.jsp?Product=KBS004-005Treatmentmain site treatmentmain site treatmentDescriptionbrief account of the planned management for the treatmentbrief account of the planned management for the treatmentAgronomic Field Log by StudyThis is a log of agronomic activity on the LTER site, with entries grouped according to the study or experiment to which they refer. KBS004-006 is an augmented subset of KBS004-001.Agronomic Field Log by StudyNonecolumn,http://lternt2.kbs.msu.edu/Data/table.jsp?Product=KBS004-006&limitBy=Study&from=Main+site&to=Main+site&order=desc&format=record&tools=showobsDateusually the date on which the observation was authored, unless otherwise notedyyyy-mm-dd864001987-4-18observationprose text representing an observation, e.g. a log entryprose text representing an observation, e.g. a log entryauthorthe author of the observationthe author of the observationStudythe study or experiment to which the observation pertainsthe study or experiment to which the observation pertainsField Activity ClassificationA compliation of all of the field activites that occurred on the main siteWARNING: This is produced by coding the Agronomic Log (KBS004-001). Not every record in KBS004-001 may be included here. The definitve guide is the Agronomic Log. Field Activity ClassificationNonecolumn,http://lternt2.kbs.msu.edu/Data/table.jsp?Product=KBS004-007&limitBy=Year&order=descObsDateThe date of the observationYYYY-MM-DD864001987-4-18AuthorThe author of the observationThe author of the observationObservationThe actual observationThe actual observationActivityThe classification of the activty described in the observationThe classification of the activty described in the observationYearThe year the observation was madeYYYY864001987-4-18Full Agronomic LogThe aglog as one big tableFull Agronomic LogNonecolumn,Approved Site Use Requests (SURFs)Site Use Request Forms are filled out by investigators wishing to conduct sampling on LTER properties. When approved, the request is listed on the web.Approved Site Use Requests (SURFs)Nonecolumn,http://lternt2.kbs.msu.edu/Data/table.jsp?Product=View_SiteUseRequests&limitBy=Year&order=desc&format=recordRequestunique identifier associated with the requestunique identifier associated with the requestPIname of investigator posting the requestname of investigator posting the requestProjecttitle of project served by the proposed sampling efforttitle of project served by the proposed sampling effortDateSubmitteddate the request was submittedyyyy-mm-dd864001987-4-18DateApproveddate the request was approvedYYYY-MM-DD864001987-4-18Commentcommentcomment