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Availability and distribution of nitrogen and phosphorus from sewage sludge in the plant-soil-water continuum

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dc.contributor.authorScott, James D.en
dc.contributor.committeechairReneau, Raymond B. Jr.en
dc.contributor.committeememberBoardman, Gregory D.en
dc.contributor.committeememberMartens, David C.en
dc.contributor.committeememberKroontje, Wybeen
dc.contributor.departmentEnvironmental Sciences and Engineeringen
dc.date.accessioned2014-03-14T21:41:08Zen
dc.date.adate2012-07-24en
dc.date.available2014-03-14T21:41:08Zen
dc.date.issued1987-05-05en
dc.date.rdate2012-07-24en
dc.date.sdate2012-07-24en
dc.description.abstractResearch was conducted in 1984 and 1985 to determine N and P availabilities for barley (Hordeum vulgare L.) and com ( Zea mays L.) grown on four sludge-amended soils. Tests were conducted on the Acredale silt loam (Typic Ochraquall), Bojac loamy sand (Typic Hapludult), Davidson clay loam (Rhodic Paleudult), and Groseclose silt loam (Typic Hapludult) soils. An aerobically·digested sewage sludge from a sewage treatment plant with major industrial irrputs was applied at rates of 0, 42, and 84 dry Mg ha' 1 on the poorly-drained Acredale soil. Rates of 0, 42, 84, 126, 168, and 210 dry Mg ha'1 were applied on the well-drained Bojac, Davidson, and Groseclose soils. The 210 dry Mg haâ 1 sludge rate supplied 3300 and 6600 kg of N and P haâ 1, respectively. A 14-day anaerobic N incubation study indicated that mirreralization varied from approximately nine to four percent of sludge N from the 42 to 210 Mg haâ 1 application rates, respectively. Sludge application increased N uptake (rz = 0.98** to 0.99**) by the 1984 com grown on the three well-drained soils. Nitrogen balance data indicated that quantities of unrecovered N ranged from six to 21 percent where sludge was applied.en
dc.description.degreeMaster of Scienceen
dc.format.extentx, 86 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-07242012-040102en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-07242012-040102/en
dc.identifier.urihttp://hdl.handle.net/10919/43892en
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V855_1987.S369.pdfen
dc.relation.isformatofOCLC# 16679305en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V855 1987.S369en
dc.subject.lcshSewage sludge as fertilizeren
dc.subject.lcshSewage sludgeen
dc.subject.lcshSoils -- Testingen
dc.titleAvailability and distribution of nitrogen and phosphorus from sewage sludge in the plant-soil-water continuumen
dc.typeThesisen
dc.type.dcmitypeTexten
thesis.degree.disciplineEnvironmental Sciences and Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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