Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/19668
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dc.contributor.authorMenzies, Neal Wen
dc.contributor.authorSkilton, Judith Aen
dc.contributor.authorGuppy, Christopheren
dc.date.accessioned2016-12-02T12:44:00Z
dc.date.issued1999en
dc.identifier.citationJournal of Environmental Quality, 28(3), p. 750-754en
dc.identifier.issn0047-2425en
dc.identifier.issn1537-2537en
dc.identifier.urihttps://hdl.handle.net/1959.11/19668en
dc.description.abstractLand disposal of secondary treated sewage effluent is being widely adopted in Australia as an alternative to tertiary treatment. At the Cleveland Waste Water Pollution Control Works, effluent has been applied to a Hapludalf at high rates (3000 mm yr ¹) for more than 20 yr, adding an estimated 4.5 t P ha ¹ to the soil. Thus, this site provides an opportunity to assess the retention of P under conditions typical of southeast Queensland. Laboratory chemical fractionation and P sorption studies of effluent irrigated and control sites were undertaken to determine the amount and forms of P retained within this soil and its capacity to retain further P. Organic material (peat) which had accumulated ou the surface of effluent irrigated plots, was also sampled and its P content determined. Accumulation of P was limited to the sandy surface soil, increasing total soil P content by ~ 700 kg ha ¹ , with this increase being approximately evenly distributed between inorganic and organic pools. The excessive irrigation rate used on this site, and the management adopted, has resulted in a marked podzolization of the surface horizon, apparent in reduced extractable Fe and AI concentrations. The removal of these P adsorbing materials would contribute, along with P saturation and organic ligand competition, to the much lower P sorption capacity of irrigated sites relative to the control. The largest P pool was found to be the peat layer, containing approximately 1500 kg P ha- ¹. On this site P has accumulated principally in organic forms, both within the soil and as peat on its surface. This finding throws into question the common practice of predicting disposal scheme life on the basis of P adsorption curves.en
dc.languageenen
dc.publisherAmerican Society of Agronomy Incen
dc.relation.ispartofJournal of Environmental Qualityen
dc.titlePhosphorus Storage on Effluent Irrigated Landen
dc.typeJournal Articleen
dc.identifier.doi10.2134/jeq1999.00472425002800030003xen
dc.subject.keywordsLand Capability and Soil Degradationen
dc.subject.keywordsSoil Chemistry (excl. Carbon Sequestration Science)en
local.contributor.firstnameNeal Wen
local.contributor.firstnameJudith Aen
local.contributor.firstnameChristopheren
local.subject.for2008050302 Land Capability and Soil Degradationen
local.subject.for2008050304 Soil Chemistry (excl. Carbon Sequestration Science)en
local.subject.seo2008961401 Coastal and Estuarine Soilsen
local.subject.seo2008961402 Farmland, Arable Cropland and Permanent Cropland Soilsen
local.subject.seo2008961407 Urban and Industrial Soilsen
local.profile.schoolSchool of Environmental and Rural Scienceen
local.profile.emailcguppy@une.edu.auen
local.output.categoryC1en
local.record.placeauen
local.record.institutionUniversity of New Englanden
local.identifier.epublicationsrecordune-chute-20161116-100414en
local.publisher.placeMadison, United States of Americaen
local.format.startpage750en
local.format.endpage754en
local.peerreviewedYesen
local.identifier.volume28en
local.identifier.issue3en
local.contributor.lastnameMenziesen
local.contributor.lastnameSkiltonen
local.contributor.lastnameGuppyen
dc.identifier.staffune-id:cguppyen
local.profile.orcid0000-0001-7274-607Xen
local.profile.roleauthoren
local.profile.roleauthoren
local.profile.roleauthoren
local.identifier.unepublicationidune:19858en
dc.identifier.academiclevelAcademicen
local.title.maintitlePhosphorus Storage on Effluent Irrigated Landen
local.output.categorydescriptionC1 Refereed Article in a Scholarly Journalen
local.description.statisticsepubsVisitors: 49<br />Views: 69<br />Downloads: 1en
local.search.authorMenzies, Neal Wen
local.search.authorSkilton, Judith Aen
local.search.authorGuppy, Christopheren
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