FATE AND TRANSPORT OF NITROGEN AT A DEEP ROW BIOSOLIDS APPLICATION HYBRID POPLAR TREE FARM

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dc.contributor.advisorFelton, Gary Ken_US
dc.contributor.authorMaimone, Dianaen_US
dc.contributor.departmentBiological Resources Engineeringen_US
dc.contributor.publisherDigital Repository at the University of Marylanden_US
dc.contributor.publisherUniversity of Maryland (College Park, Md.)en_US
dc.date.accessioned2013-02-05T06:34:06Z
dc.date.available2013-02-05T06:34:06Z
dc.date.issued2012en_US
dc.description.abstractThis study evaluates deep row applied biosolids as a nutrient source for hybrid poplar trees grown on a gravel mine reclamation site in Brandywine, Maryland from November 2003 to April 2009. The study included biosolids application rates of 386, 773, and 1,159 dry Mg/ha (172, 345, and 517 dry ton/ac.) and hybrid poplar tree densities of 0, 716, and 1,074 trees/ha (0, 290, and 435 trees/ac.). Soil water samples taken from suction lysimeters located 15 - 120 cm (6 - 48 in.) vertically below the biosolids were analyzed for total ammoniacal-nitrogen (TAN) and nitrate-nitrogen (NO<sub>3</sub>-N). The majority (96.3%) of NO<sub>3</sub>-N values were less than EPA drinking water MCL of 10 mg/L. No NO<sub>3</sub>-N values within the tree plots exceeded 2 mg/L. The TAN concentrations increased with application rates, but decreased with distance from the biosolids, except there was no difference between 60 cm (24 in.) and 120 cm (48 in.).en_US
dc.identifier.urihttp://hdl.handle.net/1903/13491
dc.subject.pqcontrolledEnvironmental engineeringen_US
dc.subject.pqcontrolledSoil sciencesen_US
dc.subject.pqcontrolledNatural resource managementen_US
dc.subject.pquncontrolledbiosolidsen_US
dc.subject.pquncontrolleddeep rowen_US
dc.subject.pquncontrollednitrogenen_US
dc.subject.pquncontrolledpoplar treesen_US
dc.subject.pquncontrolledsoil wateren_US
dc.subject.pquncontrolledsuction lysimetersen_US
dc.titleFATE AND TRANSPORT OF NITROGEN AT A DEEP ROW BIOSOLIDS APPLICATION HYBRID POPLAR TREE FARMen_US
dc.typeThesisen_US

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