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Assessing nitrogen and phosphorus removal potential of five plant species in floating treatment wetlands receiving simulated nursery runoff

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dc.contributor.authorSpangler, Jonathan T.en
dc.contributor.authorSample, David J.en
dc.contributor.authorFox, Laurie J.en
dc.contributor.authorAlbano, Joseph P.en
dc.contributor.authorWhite, Sarah A.en
dc.contributor.departmentVirginia Agricultural Experiment Stationen
dc.date.accessioned2020-03-05T15:07:29Zen
dc.date.available2020-03-05T15:07:29Zen
dc.date.issued2019-02en
dc.description.abstractThe feasibility of using floating treatment wetlands (FTWs) to treat runoff typical of commercial nurseries was investigated using two 8-week trials with replicated mesocosms. Plants were supported by Beemat rafts. Five monoculture treatments of Agrostis alba (red top), Canna x generalis Firebird' (canna lily), Carex stricta (tussock sedge), Iris ensata Rising Sun' (Japanese water iris), Panicum virgatum (switchgrass), two mixed species treatments, and an unplanted control were assessed. These plant species are used for ornamental, wetland, and biofuel purposes. Nitrogen (N) and phosphorus (P) removals were evaluated after a 7-day hydraulic retention time (HRT). N removal (sum of ammonium-N, nitrate-N, and nitrite-N) from FTW treatments ranged from 0.255 to 0.738gm(-2)d(-1) (38.9 to 82.4% removal) and 0.147 to 0.656gm(-2)d(-1) (12.9 to 59.6% removal) for trials 1 and 2, respectively. P removal (phosphate-P) ranged from 0.052 to 0.128gm(-2)d(-1) (26.1 to 64.7% removal) for trial 1, and 0.074 to 0.194gm(-2)d(-1) (26.8 to 63.2% removal) for trial 2. Panicum virgatum removed more N and P than any other FTW treatment and the control in both trials. Results show that species selection and timing of FTW harvest impact the rate and mass of nutrient remediation. FTWs can effectively remove N and P from runoff from commercial nurseries.en
dc.description.adminPublic domain – authored by a U.S. government employeeen
dc.description.notesFunding for this work was provided in part by the Virginia Agricultural Experiment Station, the South Carolina Agricultural Experiment Station, and the Hatch Program of the National Institute of Food and Agriculture, including the Specialty Crop Research Initiative Project Clean WateR<SUP>3</SUP> (2014-51181-22372), provided by the U.S. Department of Agriculture. Additional support was provided by the Virginia Water Resources Research Center, the William R. Walker graduate fellowship award, the USDA Floral and Nursery Research Initiative (FNRI), and the Horticultural Research Institute (HRI).en
dc.description.sponsorshipVirginia Agricultural Experiment Station; South Carolina Agricultural Experiment Station; Hatch Program of the National Institute of Food and Agriculture; Specialty Crop Research Initiative Project Clean WateR3 by the U.S. Department of Agriculture [2014-51181-22372]; Virginia Water Resources Research Center; William R. Walker graduate fellowship award; USDA Floral and Nursery Research Initiative (FNRI); Horticultural Research Institute (HRI)en
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1007/s11356-018-3964-0en
dc.identifier.eissn1614-7499en
dc.identifier.issn0944-1344en
dc.identifier.issue6en
dc.identifier.pmid30612349en
dc.identifier.urihttp://hdl.handle.net/10919/97200en
dc.identifier.volume26en
dc.language.isoenen
dc.rightsCC0 1.0 Universalen
dc.rights.urihttp://creativecommons.org/publicdomain/zero/1.0/en
dc.subjectBiofuelen
dc.subjectNitrogen removalen
dc.subjectPhosphorus removalen
dc.subjectBiofilmen
dc.titleAssessing nitrogen and phosphorus removal potential of five plant species in floating treatment wetlands receiving simulated nursery runoffen
dc.title.serialEnvironmental Science and Pollution Researchen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten
dc.type.dcmitypeStillImageen

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