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Dissertations / Theses on the topic 'Pollution of soils'

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1

Mohamed, Amin Zarinah. "Heavy metal pollution in Antarctic soils." Thesis, University of Canterbury. Department of Chemistry, 1993. http://hdl.handle.net/10092/2879.

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Soil samples from 8 sites (7 contaminated and 1 reference) at Marble Point and Scott Base were assessed for heavy metal pollution. Samples were acid leached and analysed by differential pulse anodic stripping voltammetry and electrothermal atomic absorption spectrometry for lead, zinc, cadmium and copper. Weathering of these metals from point source contaminants was established. Sequential leaching was then performed to evaluate the potential fate ofthe contaminants using the same techniques. Studies were limited to exchangeable fraction and metal fractions bound to carbonates, oxides and orga
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2

Bhandari, Alok. "Soil washing and post-wash biological treatment of petroleum hydrocarbon contaminated soils." Thesis, This resource online, 1992. http://scholar.lib.vt.edu/theses/available/etd-09292009-020018/.

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3

Thakali, Sagar. "Terrestrial biotic ligand model (TBLM) for copper, and nickel toxicities to plants, invertebrates, and microbes in soils." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file 2.00 Mb., 340 p, 2006. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:3221133.

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4

Payne, Rosara Faith. "Investigation of radiological contamination of soil samples from Idaho National Laboratory." Diss., Online access for everyone, 2006. http://www.dissertations.wsu.edu/Dissertations/Summer2006/r%5Fpayne%5F053106.pdf.

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5

De, Jimenez Juana Ramos. "Determination of some acid herbicides in soils." Thesis, University of Bristol, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.279758.

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6

Dove, Jonathan Thomas Barnett Mark O. "Mercury immobilization by subsurface reactive barriers." Auburn, Ala, 2009. http://hdl.handle.net/10415/1901.

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7

Toccalino, Patricia. "Optimization of hydrocarbon biodegradation in a sandy soil /." Full text open access at:, 1992. http://content.ohsu.edu/u?/etd,192.

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8

Williamson, Derek Guthrie. "Relating release and biodegradation kinetics in soils containing aged mixtures of hydrocarbons /." Digital version accessible at:, 1998. http://wwwlib.umi.com/cr/utexas/main.

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9

Tiensing, Tinnakorn. "Novel techniques in assessing bioavailability of pollutants in soils." Thesis, University of Aberdeen, 2002. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU153957.

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Effective techniques for assessing soil environmental pollution are required to develop protective policy. Chemical methods have been traditionally used to determine total concentration of pollutants and biologically linked measurements have been used to assess the bioavailable fraction of pollutants. Bioluminescence-based microbial bioassays have been shown to respond to the bioavailable fractions. Growth and bioluminescence of lux-marked E. coli HB101 and P. fluorescens 10586r were characterised and optimised for freeze-drying culture. Freeze-drying cultures have been used effectively becaus
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10

Van, de Water James Gordon 1963. "Physical and chemical processes affecting forced ventilation of benzene and p-xylene in a desert soil." Thesis, The University of Arizona, 1989. http://hdl.handle.net/10150/277044.

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The rate at which volatile organic compounds (VOCs) are removed from the vadose zone by forced ventilation may be reduced by slow micro-scale processes such as diffusion through intra-aggregate and pore water and slow reactions at sorption sites located at the soil-water interface. Column experiments using benzene and p-xylene were performed in order to simulate cleanup of VOC's in the vadose zone by forced ventilation. Analytical solutions of the one-dimensional advection-dispersion equation coupled to mass transfer equations were fitted to the data. Parameter estimates were used in order to
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11

Zhang, Bo. "Application and evaluation of bacterial biosensors to determine heavy metal bioavailability and assess ecological hazard of soils." Thesis, University of Aberdeen, 2011. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=168276.

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There are significant worries about the impact of heavy metal pollutants in soils during urbanisation and industrialisation in the developing world. Routine chemical analysis of soils is used to characterise the concentration of metals translocated by point source and diffuse actions. This fails to put in context the bioavailability or potency of these analytes. Biosensors offer a novel and direct method for hazard assessment of soils impacted with anthropogenic contamination. However, few significant examples of thorough applications of the biosensor in environment have been confirmed. This t
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12

Kennette, Debra. "The bioavailability of trace metals to soil invertebrates in urban contaminated soils." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0001/MQ44194.pdf.

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13

Potter, Lara Jennifer. "Containment migration through consolidating soils." Thesis, University of Cambridge, 1996. https://www.repository.cam.ac.uk/handle/1810/272690.

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14

Harman, Michael B. "Preferential flow and phosphorus translocation in benchmark soils of West Virginia." Morgantown, W. Va. : [West Virginia University Libraries], 2008. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=5758.

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Thesis (M.S.)--West Virginia University, 2008.<br>Title from document title page. Document formatted into pages; contains ix, 124 p. : ill. (some col.). Includes abstract. Includes bibliographical references.
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15

Stone, David Marcus. "The behaviour of plutonium in artificially contaminated upland Welsh soils." Thesis, Bangor University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.361177.

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16

Evans, Dyfed. "Fluvial dispersal of heavy metals in contaminated soils and sediments." Thesis, University of Bradford, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.334773.

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17

Tsang, Chiu Wa. "Nonequilibrium transport of heavy metals in soils and its influence on soil remediation /." View abstract or full-text, 2006. http://library.ust.hk/cgi/db/thesis.pl?CIVL%202006%20TSANG.

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18

Dominguez, Elena. "Phytoremediation of soils contaminated by used motor oil." Virtual Press, 2002. http://liblink.bsu.edu/uhtbin/catkey/1246470.

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19

Ugwuegbu, Benjamin U. "A laboratory study on the development of a biological pollution control system for contaminated soils /." Thesis, McGill University, 1996. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=34691.

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This study describes a laboratory scale development of an in-situ bioremediation method, which uses a water table management system to supply nutrients to subsoil microorganisms, for biostimulation and subsequent biodegradation of pollutants such as fertilizer-nitrate and hydrocarbons (e.g., diesel oils), in the unsaturated zone of the soil. The study, which was divided into two parts: first nitrate bioremediation and secondly diesel biodegradation, was carried out on packed soil columns.<br>For the nitrate study, different levels of glucose were introduced into packed soil columns, 1,000 mm l
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20

Hee, Calvin K. "Field scale phytoremediation trials of lead and cadmium-contaminated soil." Virtual Press, 2005. http://liblink.bsu.edu/uhtbin/catkey/1314328.

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There is an ever-increasing need to address problems associated with the creation and disposal of wastes which result from human activities. Pb and Cd contamination is a common problem at many abandoned and uncontrolled commercial and industrial sites. Phytoremediation is one technology that can be employed to remove metals such as Pb from the soil. This study investigated the effectiveness of several plant and soil treatments on the uptake and retention of Pb and Cd by vegetation from contaminated soil at a Superfund site. Field plots were established and plant treatments included a mixture o
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21

Sweetman, Andrew J. "Organic contaminants in sewage sludges and their fate in agricultural soils." Thesis, Lancaster University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.296973.

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22

Obuseng, Veronica Conie. "Bile acids as indicator of faecal inputs into soils and sediments." Thesis, University of Bristol, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.391155.

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23

Klaminder, Jonatan. "The fate of airborne lead pollution in boreal forest soils." Doctoral thesis, Umeå : Department of Ecology and Environmental Science, Umeå University, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-631.

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24

Anunike, Chidinma. "Deployment of calcium polysulphide for the remediation of chromite ore processing residue." Thesis, University of Aberdeen, 2015. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=227912.

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Chromium contamination of groundwater and soils continues to pose a major environmental concern. Soils may have become contaminated with chromium through former industrial activities geochemical enrichment. The nature of the industrial activity will determine the form and concentration of the chromium as well as the presence of co-contaminants and the pH and redox of the soil. Chemical reductants have been widely used for the transformation of hexavalent chromium in the environment. Over recent decades attention focused on the chemical reductant calcium polysulphide which has performed effecti
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25

Schmid, Susanne. "Aluminium-Spezies im Boden und ihre Mobilität /." Frankfurt/Main : Maraun, 1989. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=003844009&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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26

Flory, Quentin M. "Phytoremediation of a lead contaminated soil by selected green plants." Virtual Press, 2004. http://liblink.bsu.edu/uhtbin/catkey/1294243.

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As human populations grow worldwide, there is an increasing need to address the problems associated with the creation and disposal of wastes. Although a variety of recent technologies have been shown to be somewhat effective in the remediation of metal contaminated soils, e.g., chemical extraction and stabilization, they are often expensive and labor-intensive. Additionally, these technologies can impart detrimental effects on the chemical and physical properties of the soil under treatment. As an alternative, the less expensive, more environmentally benign use of green plants as tools for the
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27

Papanikolaou, Niki D. "Response of alpine heathland soils to environmental change and land management." Thesis, Available from the University of Aberdeen Library and Historic Collections Digital Resources, 2008. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?application=DIGITOOL-3&owner=resourcediscovery&custom_att_2=simple_viewer&pid=25204.

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28

STETZENBACH, LINDA DALE ALLEN. "THE DEGRADATION AND UTILIZATION OF POLYCYCLIC AROMATIC HYDROCARBONS BY INDIGENOUS SOIL BACTERIA (NAPHTHALENE, FLUORENE, ANTHRACENE, PYRENE)." Diss., The University of Arizona, 1986. http://hdl.handle.net/10150/183810.

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The persistance of industrially derived polycyclic aromatic hydrocarbons in the subsurface may be significantly affected by the metabolism of soil bacteria. This study was conducted to determine the ability of indigenous soil bacteria to decrease the concentration of four polycyclic aromatic hydrocarbons (naphthalene, fluorene, anthracene, and pyrene) and to utilize the compounds as a substrate for growth. Soil cores from petroleum contaminated and non-contaminated sites contained 10⁵ - 10⁷ viable microorganisms per gram dry weight of soil. Gram negative rod-shaped bacteria predominated. Decre
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29

Leighton, Rachel. "A combined plant-microbe system for the remediation of co-contaminated soils." Thesis, University of Oxford, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.270204.

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30

Maguire, Rory. "Phosphorus release from 12 contrasting European soils under their aggregate size fractions." Thesis, University of Aberdeen, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387514.

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31

Sekhon, Bharpoor Singh. "Modeling of soil phosphorus sorption and control of phosphorus pollution with acid mine drainage floc." Morgantown, W. Va. : [West Virginia University Libraries], 2002. http://etd.wvu.edu/templates/showETD.cfm?recnum=2530.

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Thesis (Ph. D.)--West Virginia University, 2002.<br>Title from document title page. Document formatted into pages; contains xiv, 210 p. : ill. (some col.). Includes abstract. Includes bibliographical references.
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32

Ahmad, Faheem. "Numerical modelling of transport of pollutant through soils." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-08182009-040239/.

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33

Kirk, Charles A. C. "Geochemical fractionation of heavy metals in soils." Thesis, University of Bristol, 1995. http://hdl.handle.net/1983/2153b6ab-75d5-4b4f-b648-f3ff6795b4d9.

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34

Mewett, John University of Ballarat. "Electrokinetic remediation of arsenic contaminated soils." University of Ballarat, 2005. http://archimedes.ballarat.edu.au:8080/vital/access/HandleResolver/1959.17/12797.

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"Arsenic is a common soil contaminant in Australia and worldwide. There is a need to find safe, effective and economic methods to deal with this problem. The soils used in this research were collected from central Victoria. They were contaminated with arsenic by historic gold mining activity or by past sheep dipping practices. This research investigated ten different leaching agents for their effects on three different arsenic contaminated soils. [...] Electrokinetic experiments were conducted on three arsenic contaminated soils. [...] The arsenic in these soils appears to be relatively stable
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35

Mewett, John. "Electrokinetic remediation of arsenic contaminated soils." Thesis, University of Ballarat, 2005. http://researchonline.federation.edu.au/vital/access/HandleResolver/1959.17/68354.

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"Arsenic is a common soil contaminant in Australia and worldwide. There is a need to find safe, effective and economic methods to deal with this problem. The soils used in this research were collected from central Victoria. They were contaminated with arsenic by historic gold mining activity or by past sheep dipping practices. This research investigated ten different leaching agents for their effects on three different arsenic contaminated soils. [...] Electrokinetic experiments were conducted on three arsenic contaminated soils. [...] The arsenic in these soils appears to be relatively stable
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36

Mewett, John. "Electrokinetic remediation of arsenic contaminated soils." University of Ballarat, 2005. http://archimedes.ballarat.edu.au:8080/vital/access/HandleResolver/1959.17/14633.

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"Arsenic is a common soil contaminant in Australia and worldwide. There is a need to find safe, effective and economic methods to deal with this problem. The soils used in this research were collected from central Victoria. They were contaminated with arsenic by historic gold mining activity or by past sheep dipping practices. This research investigated ten different leaching agents for their effects on three different arsenic contaminated soils. [...] Electrokinetic experiments were conducted on three arsenic contaminated soils. [...] The arsenic in these soils appears to be relatively stable
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37

Peacock, Simon. "Sulphur dynamics of the alpine soils in a Scottish catchment at risk from acidification." Thesis, University of Aberdeen, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.270744.

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The adsorption of sulphate has been studied using alpine and sub-alpine podzolic soils from the Allt a'Mharcaidh catchment, Cairngorms, Scotland, U.K. A detailed investigation of sulphur pools and mechanisms of sulphur retention has revealed that incoming sulphate ion, both marine and anthropogenic, is being retained by a range of adsorption mechanisms. Analysis of the soils has indicated that the sulphur content of the soils is dominated by organic forms of sulphur. Selective chemical fractionation techniques have identified an accumulation of sesquioxides, dominated by amorphous aluminium, i
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38

Sanyi, Hassan H. A. R. "Effects of liming of upland soils on nutrient mobilities in relation to water quality." Thesis, University of Aberdeen, 1989. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU020937.

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The work in this thesis relates to understanding the potential effects of using surface liming of upland soils to ameliorate water acidification. Effects on vegetation, soil, and drainage water chemistry are considered. Part I of this thesis reviews the environmental conditions of British Uplands (climate, soils and vegetation), and the relevant literature on water acidification in North-East Scotland. In Part II, each chapter deals with materials, methods used, discussion of the results and conclusion for one of a series of individual experiments. This pattern is followed for a number of labo
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39

Rana, Nadeem Ahmed. "A laboratory study on bioremediation of a diesel-contaminated fine-textured soil." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0001/MQ44253.pdf.

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40

Fallgren, Paul Harold. "Parameter-based models estimating microbial hydrocarbon-degrading activity in a diesel-contaminated soil." Laramie, Wyo. : University of Wyoming, 2007. http://proquest.umi.com/pqdweb?did=1320951271&sid=1&Fmt=2&clientId=18949&RQT=309&VName=PQD.

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41

Nieuwenhuis, Jenifer M. "Nitrogen and phosphorus modification within a petroleum contaminated biopile at the Oneida County Sanitary Landfill /." Link to abstract, 2004. http://epapers.uwsp.edu/abstracts/2004/Nieuwenhuis.pdf.

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42

Jordan, Suzanne Louise. "The distribution and geochemical fractionation of heavy metals in anthropogenically-polluted soils and soil phases." Thesis, University of Bristol, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.390378.

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43

Wilson, Susan Caroline. "The fate and behaviour of volatile organic compounds and chlorophenols in sewage sludge amended soils." Thesis, Lancaster University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.296974.

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44

Brown, Rachel. "The sub-surface distribution of some heavy metals following sewage sludge injection into grassland soils." Thesis, University of Plymouth, 1994. http://hdl.handle.net/10026.1/2079.

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The use of suitable sewage sludge in agriculture is currently its cheapest disposal option, both in terms of monetary cost, resource utilisation and environmental impact Monitoring of die heavy metal content of the soil after sludge application is required by European Council Du-ective 86/278/EEC, and whilst the behaviour of metals from surface-applied sludge is well documented, the behaviour following other methods of application has received litde attention. The most important alternative land application method cturentiy in use is the subsurface injection of sludge. In this project, field-
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45

Mwepu, Mireille K. M. "Mobility of ionic pollutants in selected South African soils /." Link to the online version, 2007. http://hdl.handle.net/10019/370.

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46

Tennakoon, Nihal Ananda. "Effect of heavy metal contaminated sewage sludge on biological and chemical properties of coniferous forest soils." Thesis, University of Aberdeen, 1993. http://digitool.abdn.ac.uk/R?func=search-advanced-go&find_code1=WSN&request1=AAIU549118.

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A field study was carried out at Ardross forest, northern Scotland where heavy metal contaminated sewage sludge had been applied to a peaty podzol at rates of 500 (low) and 1000 (high) kg N ha-1 before tree (Sitka spruce) planting. Nitrogen mineralisation rates determined by field incubation of sealed cores ranged from 3.7 to 4.5 and 7.3 to 9.4 kg N h-1 over the growing season (May to September, 1991) in soils amended with low and high rates of sludge respectively. For the control soil, to which no sludge had been added, mineralisation rates ranged from 2.4 to 2.9 kg N ha-1. Mineralisation of
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47

McIlwaine, Rebekka. "Sources and concentrations of potentially toxic elements in soils from Northern Ireland." Thesis, Queen's University Belfast, 2016. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.707843.

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48

Åkerblom, Staffan. "Anthropogenic heavy metals in organic forest soils : distribution, microbial risk assessment and Hg mobility /." Uppsala : Department of Environmental Assessment, Swedish University of Agricultural Sciences, 2006. http://epsilon.slu.se/200667.pdf.

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49

Reeves, Alastair Ian. "Contaminant tracking through dendro-chemical analysis of tree-radii." Thesis, McGill University, 1993. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=69688.

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The research used dendro-chemical analysis of ash tree rings and current year leaf litter to track Cd, Pb, Zn, Cu, Mn, Cr, and Sn spread and cycling from a closed garbage dump-toxic waste site. This technique allowed for determination of areal extent, contaminant levels and time period of initial contaminant contact. Only Zn, Sn, and Cu were found in elevated quantities in the xylem wood and Pb in the leaf litter. Elemental concentrations of Pb, Sn and Cd in xylem wood and leaves of ash were positively correlated. Tin was the only element to demonstrate a clear initial contact period and eleme
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50

Andrade, Marc-David. "Field testing of a biological system for reducing nitrate pollution." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0031/MQ50709.pdf.

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