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Understanding the Fate of Applied Nitrogen in Pine Plantations of the Southeastern United States Using 15N Enriched Fertilizers

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dc.contributor.authorRaymond, Jay E.en
dc.contributor.authorFox, Thomas R.en
dc.contributor.authorStrahm, Brian D.en
dc.contributor.departmentForest Resources and Environmental Conservationen
dc.date.accessioned2017-09-20T18:28:33Zen
dc.date.available2017-09-20T18:28:33Zen
dc.date.issued2016-11-11en
dc.date.updated2017-09-20T18:28:33Zen
dc.description.abstractThis study was conducted to determine the efficacy of using enhanced efficiency fertilizer (EEFs) products compared to urea to improve fertilizer nitrogen use efficiency (FNUE) in forest plantations. All fertilizer treatments were labeled with <sup>15</sup>N (0.5 atom percent) and applied to 100 m<sup>2</sup> circular plots at 12 loblolly pine stands (<i>Pinus taeda</i> L.) across the southeastern United States. Total fertilizer N recovery for fertilizer treatments was determined by sampling all primary ecosystem components and using a mass balance calculation. Significantly more fertilizer N was recovered for all EEFs compared to urea, but there were generally no differences among EEFs. The total fertilizer N ecosystem recovery ranged from 81.9% to 84.2% for EEFs compared to 65.2% for urea. The largest amount of fertilizer N recovered for all treatments was in the loblolly pine trees (EEFs: 38.5%–49.9%, urea: 34.8%) and soil (EEFs: 30.6%–38.8%, urea: 28.4%). This research indicates that a greater ecosystem fertilizer N recovery for EEFs compared to urea in southeastern pine plantations can potentially lead to increased FNUE in these systems.en
dc.description.versionPublished versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationRaymond, J.E.; Fox, T.R.; Strahm, B.D. Understanding the Fate of Applied Nitrogen in Pine Plantations of the Southeastern United States Using 15N Enriched Fertilizers. Forests 2016, 7, 270.en
dc.identifier.doihttps://doi.org/10.3390/f7110270en
dc.identifier.urihttp://hdl.handle.net/10919/79301en
dc.language.isoenen
dc.publisherMDPIen
dc.rightsCreative Commons Attribution 4.0 Internationalen
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en
dc.subject15Nen
dc.subjectforest fertilizationen
dc.subjectnitrogen cycleen
dc.subjectplantation forestryen
dc.subjectenhanced efficiency fertilizersen
dc.titleUnderstanding the Fate of Applied Nitrogen in Pine Plantations of the Southeastern United States Using 15N Enriched Fertilizersen
dc.title.serialForestsen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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Journal Articles, Multidisciplinary Digital Publishing Institute (MDPI)
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