<?xml version="1.0" encoding="UTF-8"?><eml:eml xmlns:eml="https://eml.ecoinformatics.org/eml-2.2.0" xmlns:stmml="http://www.xml-cml.org/schema/stmml-1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="https://eml.ecoinformatics.org/eml-2.2.0 https://lter.kbs.msu.edu/docs/eml-2.2.0/eml.xsd" packageId="knb-lter-kbs.129.4" system="KBS LTER"><access scope="document" order="allowFirst" authSystem="knb"><allow><principal>uid=KBS,o=lter,dc=ecoinformatics,dc=org</principal><permission>all</permission></allow><allow><principal>uid=sbohm,o=lter,dc=ecoinformatics,dc=org</principal><permission>all</permission></allow><allow><principal>public</principal><permission>read</permission></allow></access><dataset><alternateIdentifier system="lter.kbs.msu.edu">https://lter.kbs.msu.edu/datasets/129.eml</alternateIdentifier><title>Meta-analysis of N2O emissions at the Kellogg Biological Station, Hickory Corners, MI </title><creator><individualName><givenName>Iurii</givenName><surName>Shcherbak</surName></individualName><organizationName>Michigan State University</organizationName><address></address><phone phonetype="phone"></phone><phone phonetype="fax"></phone><electronicMailAddress>shcherba@kbs.msu.edu</electronicMailAddress><userId directory="http://orcid.org">0000-0003-4153-3770</userId></creator><pubDate>2026-03-14</pubDate><abstract><section><title>Dataset Abstract</title><para></para><para>original data source http://lter.kbs.msu.edu/datasets/129</para></section></abstract><keywordSet><keyword keywordType="place">LTER</keyword><keyword keywordType="place">KBS</keyword><keyword keywordType="place">Kellogg Biological Station</keyword><keyword keywordType="place">Hickory Corners</keyword><keyword keywordType="place">Michigan</keyword><keyword keywordType="place">Great Lakes</keyword></keywordSet><keywordSet><keyword>Inorganic Nutrients</keyword><keywordThesaurus>LTER Core Research Area</keywordThesaurus></keywordSet><keywordSet><keyword keywordType="theme">farming</keyword><keyword keywordType="theme">biota</keyword><keywordThesaurus>https://apps.usgs.gov/thesaurus/thesaurus-full.php?thcode=15</keywordThesaurus></keywordSet><intellectualRights><para>Data in the KBS LTER core database may not be published without written permission of the lead investigator or project director.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.</para><para>All publications of KBS data and images must acknowledge KBS LTER support.</para></intellectualRights><coverage><geographicCoverage><geographicDescription>The areas around the Kellogg Biological Station in southwest Michigan</geographicDescription><boundingCoordinates><westBoundingCoordinate>-85.404699</westBoundingCoordinate><eastBoundingCoordinate>-85.366857</eastBoundingCoordinate><northBoundingCoordinate>42.420265</northBoundingCoordinate><southBoundingCoordinate>42.391019</southBoundingCoordinate></boundingCoordinates></geographicCoverage></coverage><contact><organizationName>Kellogg Biological Station</organizationName><positionName>Data Manager</positionName><electronicMailAddress>lter.data.manager@kbs.msu.edu</electronicMailAddress><onlineUrl>http://lter.kbs.msu.edu</onlineUrl><userId directory="https://ror.org/">02vkce854</userId></contact><publisher><organizationName>KBS LTER</organizationName></publisher><project><title>LTER: KBS - Ecological and Social Mechanisms of Resilience in Agroecosystems</title><personnel><organizationName/><role>program</role></personnel><award><funderName>National Science Foundation</funderName><funderIdentifier>http://dx.doi.org/10.13039/100000001</funderIdentifier><awardNumber>DEB 2224712</awardNumber><title>LTER: KBS - Ecological and Social Mechanisms of Resilience in Agroecosystems</title><awardUrl>https%3A%2F%2Fnsf.gov%2Fawardsearch%2FshowAward%3FAWD_ID%3D2224712%26HistoricalAwards%3Dfalse</awardUrl></award></project><dataTable><alternateIdentifier system="lter.kbs.msu.edu">https://lter.kbs.msu.edu/datatables/405</alternateIdentifier><entityName>Kellogg Biological Station LTER: Literature data on N2O emissions (KBS103-001)</entityName><entityDescription>N2O emissions and fertilizer rates collected from a literature survey.</entityDescription><physical><objectName>Literature+data+on+N2O+emisions.csv</objectName><encodingMethod>None</encodingMethod><dataFormat><textFormat><numHeaderLines>54</numHeaderLines><numFooterLines>1</numFooterLines><recordDelimiter>\n</recordDelimiter><attributeOrientation>column</attributeOrientation><simpleDelimited><fieldDelimiter>,</fieldDelimiter><collapseDelimiters>no</collapseDelimiters><quoteCharacter>"</quoteCharacter><literalCharacter>\</literalCharacter></simpleDelimited></textFormat></dataFormat><distribution><online><url>https://lter.kbs.msu.edu/datatables/405.csv</url></online></distribution></physical><attributeList><attribute><attributeName>reference</attributeName><attributeDefinition>short reference to the paper</attributeDefinition><measurementScale><nominal><nonNumericDomain><textDomain><definition>short reference to the paper</definition></textDomain></nonNumericDomain></nominal></measurementScale></attribute><attribute><attributeName>location</attributeName><attributeDefinition>location of the study</attributeDefinition><measurementScale><nominal><nonNumericDomain><textDomain><definition>location of the study</definition></textDomain></nonNumericDomain></nominal></measurementScale></attribute><attribute><attributeName>latitude</attributeName><attributeDefinition>latitude of the study</attributeDefinition><measurementScale><interval><unit><customUnit>degrees latitude or longitude</customUnit></unit><numericDomain><numberType>real</numberType></numericDomain></interval></measurementScale></attribute><attribute><attributeName>longitude</attributeName><attributeDefinition>longitude of the study</attributeDefinition><measurementScale><interval><unit><customUnit>degrees latitude or longitude</customUnit></unit><numericDomain><numberType>real</numberType></numericDomain></interval></measurementScale></attribute><attribute><attributeName>precipitation</attributeName><attributeDefinition>annual precipitation</attributeDefinition><measurementScale><ratio><unit><standardUnit>millimeter</standardUnit></unit><numericDomain><numberType>real</numberType></numericDomain></ratio></measurementScale></attribute><attribute><attributeName>mean_annual_temperature</attributeName><attributeDefinition>mean annual temperature in degree C. (Some studies reported multiple values so this is a text column instead of a numeric column.)</attributeDefinition><measurementScale><nominal><nonNumericDomain><textDomain><definition>mean annual temperature in degree C. (Some studies reported multiple values so this is a text column instead of a numeric column.)</definition></textDomain></nonNumericDomain></nominal></measurementScale></attribute><attribute><attributeName>texture_class</attributeName><attributeDefinition>the soil texture class</attributeDefinition><measurementScale><nominal><nonNumericDomain><textDomain><definition>the soil texture class</definition></textDomain></nonNumericDomain></nominal></measurementScale></attribute><attribute><attributeName>soil_classification</attributeName><attributeDefinition>soil classification</attributeDefinition><measurementScale><nominal><nonNumericDomain><textDomain><definition>soil classification</definition></textDomain></nonNumericDomain></nominal></measurementScale></attribute><attribute><attributeName>sand</attributeName><attributeDefinition>percent sand in the soil</attributeDefinition><measurementScale><ratio><unit><customUnit>gramsPerHectogram</customUnit></unit><numericDomain><numberType>real</numberType></numericDomain></ratio></measurementScale></attribute><attribute><attributeName>silt</attributeName><attributeDefinition>percent of silt in the soil</attributeDefinition><measurementScale><ratio><unit><customUnit>gramsPerHectogram</customUnit></unit><numericDomain><numberType>real</numberType></numericDomain></ratio></measurementScale></attribute><attribute><attributeName>clay</attributeName><attributeDefinition>percent of clay in the soil</attributeDefinition><measurementScale><ratio><unit><customUnit>gramsPerHectogram</customUnit></unit><numericDomain><numberType>real</numberType></numericDomain></ratio></measurementScale></attribute><attribute><attributeName>soc</attributeName><attributeDefinition>soil organic carbon</attributeDefinition><measurementScale><ratio><unit><customUnit>gramsPerHectogram</customUnit></unit><numericDomain><numberType>real</numberType></numericDomain></ratio></measurementScale></attribute><attribute><attributeName>son</attributeName><attributeDefinition>soil organic nitrogen</attributeDefinition><measurementScale><ratio><unit><customUnit>gramsPerHectogram</customUnit></unit><numericDomain><numberType>real</numberType></numericDomain></ratio></measurementScale></attribute><attribute><attributeName>bd</attributeName><attributeDefinition>bulk density in g/cm^3 (this is a text column because some studies reported multiple values)</attributeDefinition><measurementScale><nominal><nonNumericDomain><textDomain><definition>bulk density in g/cm^3 (this is a text column because some studies reported multiple values)</definition></textDomain></nonNumericDomain></nominal></measurementScale></attribute><attribute><attributeName>ph</attributeName><attributeDefinition>pH of the soil (this column is a text column because some studies reported multiple pH values)</attributeDefinition><measurementScale><nominal><nonNumericDomain><textDomain><definition>pH of the soil (this column is a text column because some studies reported multiple pH values)</definition></textDomain></nonNumericDomain></nominal></measurementScale></attribute><attribute><attributeName>crop</attributeName><attributeDefinition>the crop grown</attributeDefinition><measurementScale><nominal><nonNumericDomain><textDomain><definition>the crop grown</definition></textDomain></nonNumericDomain></nominal></measurementScale></attribute><attribute><attributeName>management</attributeName><attributeDefinition>the agronomic management</attributeDefinition><measurementScale><nominal><nonNumericDomain><textDomain><definition>the agronomic management</definition></textDomain></nonNumericDomain></nominal></measurementScale></attribute><attribute><attributeName>number_of_measurements</attributeName><attributeDefinition>the total number of measurements taken</attributeDefinition><measurementScale><ratio><unit><standardUnit>number</standardUnit></unit><numericDomain><numberType>integer</numberType></numericDomain></ratio></measurementScale></attribute><attribute><attributeName>method</attributeName><attributeDefinition>method of flux measurement</attributeDefinition><measurementScale><nominal><nonNumericDomain><textDomain><definition>method of flux measurement</definition></textDomain></nonNumericDomain></nominal></measurementScale></attribute><attribute><attributeName>chamber_area</attributeName><attributeDefinition>area of the chamber used</attributeDefinition><measurementScale><ratio><unit><standardUnit>squareMeter</standardUnit></unit><numericDomain><numberType>real</numberType></numericDomain></ratio></measurementScale></attribute><attribute><attributeName>measurements_per_sample</attributeName><attributeDefinition>the number of measurements taken to estimate a flux</attributeDefinition><measurementScale><ratio><unit><standardUnit>number</standardUnit></unit><numericDomain><numberType>integer</numberType></numericDomain></ratio></measurementScale></attribute><attribute><attributeName>year</attributeName><attributeDefinition>the years the study was done</attributeDefinition><measurementScale><nominal><nonNumericDomain><textDomain><definition>the years the study was done</definition></textDomain></nonNumericDomain></nominal></measurementScale></attribute><attribute><attributeName>duration</attributeName><attributeDefinition>the study duration in days</attributeDefinition><measurementScale><nominal><nonNumericDomain><textDomain><definition>the study duration in days</definition></textDomain></nonNumericDomain></nominal></measurementScale></attribute><attribute><attributeName>number_of_replicates</attributeName><attributeDefinition>number of replicates</attributeDefinition><measurementScale><ratio><unit><standardUnit>number</standardUnit></unit><numericDomain><numberType>integer</numberType></numericDomain></ratio></measurementScale></attribute><attribute><attributeName>fertilizer_type</attributeName><attributeDefinition>type of fertilizer used</attributeDefinition><measurementScale><nominal><nonNumericDomain><textDomain><definition>type of fertilizer used</definition></textDomain></nonNumericDomain></nominal></measurementScale></attribute><attribute><attributeName>mode_of_fertilizer_application</attributeName><attributeDefinition>method of fertilizer application</attributeDefinition><measurementScale><nominal><nonNumericDomain><textDomain><definition>method of fertilizer application</definition></textDomain></nonNumericDomain></nominal></measurementScale></attribute><attribute><attributeName>number_of_fertilizer_applications</attributeName><attributeDefinition>number of fertilizer applications</attributeDefinition><measurementScale><ratio><unit><standardUnit>number</standardUnit></unit><numericDomain><numberType>integer</numberType></numericDomain></ratio></measurementScale></attribute><attribute><attributeName>min_nonzero_n_rate</attributeName><attributeDefinition>lowest N rate above zero used in the study</attributeDefinition><measurementScale><ratio><unit><standardUnit>kilogramsPerHectare</standardUnit></unit><numericDomain><numberType>real</numberType></numericDomain></ratio></measurementScale></attribute><attribute><attributeName>max_n_rate</attributeName><attributeDefinition>maximum N rate used</attributeDefinition><measurementScale><ratio><unit><standardUnit>kilogramsPerHectare</standardUnit></unit><numericDomain><numberType>real</numberType></numericDomain></ratio></measurementScale></attribute><attribute><attributeName>n_rate</attributeName><attributeDefinition>nitrogen rate used</attributeDefinition><measurementScale><ratio><unit><standardUnit>kilogramsPerHectare</standardUnit></unit><numericDomain><numberType>real</numberType></numericDomain></ratio></measurementScale></attribute><attribute><attributeName>total_n2o_emission</attributeName><attributeDefinition>total N2O emission</attributeDefinition><measurementScale><ratio><unit><standardUnit>kilogramsPerHectare</standardUnit></unit><numericDomain><numberType>real</numberType></numericDomain></ratio></measurementScale></attribute><attribute><attributeName>standard_error_of_n2o_emission</attributeName><attributeDefinition>standard error of the N2O emission measuremtns</attributeDefinition><measurementScale><ratio><unit><standardUnit>kilogramsPerHectare</standardUnit></unit><numericDomain><numberType>real</numberType></numericDomain></ratio></measurementScale></attribute><attribute><attributeName>emission_factor</attributeName><attributeDefinition>emission factor (%)</attributeDefinition><measurementScale><nominal><nonNumericDomain><textDomain><definition>emission factor (%)</definition></textDomain></nonNumericDomain></nominal></measurementScale></attribute><attribute><attributeName>emission_factor_change_rate</attributeName><attributeDefinition>change in emission factor per kg N added per hectare</attributeDefinition><measurementScale><nominal><nonNumericDomain><textDomain><definition>change in emission factor per kg N added per hectare</definition></textDomain></nonNumericDomain></nominal></measurementScale></attribute><attribute><attributeName>remark</attributeName><attributeDefinition>comments</attributeDefinition><measurementScale><nominal><nonNumericDomain><textDomain><definition>comments</definition></textDomain></nonNumericDomain></nominal></measurementScale></attribute></attributeList></dataTable><usageCitation><bibtex>@article{citation_3371,
  author = {I Shcherbak and N Millar and G P Robertson},
  title = {Global metaanalysis of the nonlinear response of soil nitrous oxide (N2O) emissions to fertilizer nitrogen},
  year = {2014},
  journal = {Proceedings of the National Academy of Sciences USA},
  pages = {9199-9204},
  volume = {111},
  doi = {10.1073/pnas.1322434111}
}
</bibtex></usageCitation></dataset><additionalMetadata><metadata><stmml:unitList xmlns:stmml="http://www.xml-cml.org/schema/stmml-1.1" xmlns="http://www.xml-cml.org/schema/stmml" xsi:schemaLocation="http://www.xml-cml.org/schema/stmml-1.1 http://nis.lternet.edu/schemas/EML/eml-2.1.0/stmml.xsd"><stmml:unit id="degrees latitude or longitude" name="degrees latitude or longitude"/><stmml:unit id="gramsPerHectogram" name="gramsPerHectogram"/></stmml:unitList></metadata></additionalMetadata></eml:eml>