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Dissertations / Theses on the topic 'Alkaline soils'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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1

Odell, Simon Paul. "Microbial reclamation of alkaline sodic soils /." Title page, contents and abstract only, 2000. http://web4.library.adelaide.edu.au/theses/09ASOP/09asopo23.pdf.

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2

Brito, Jorge Manuel Santos Sousa. "Phosphates in suspensions of alkaline, basaltic soils." Diss., The University of Arizona, 1990. http://hdl.handle.net/10150/185198.

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The phosphate solid-solution activities in the A and A₁ horizons of ten alkaline soils from basalt were calculated in order to assess their conformity to solid-solution behavior. Nine soils were from the Cape Verde Islands and one from Arizona. Four of the Cape Verdean soils belonged to the same series (Ponta) but presented different levels of P fertilization. The other soils were not fertilized. All soils behaved in conformity with solid-solution theory. Three assumptions were made: (1) Surfaces of minerals are similar because of weathering; (2) Partial equilibrium was reached; (3) The mole f

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3

Fotovat, Amir. "Chemistry of indigenous Zn and Cu in the soil-water system : alkaline sodic and acidic soils." Title page, contents and abstract only, 1997. http://web4.library.adelaide.edu.au/theses/09PH/09phf761.pdf.

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Copies of author's previously published articles inserted. Bibliography: leaves 195-230. In this study the soil aqueous phase chemistry of Zn and Cu in alkaline sodic soils are investigated. The chemistry of trace metal ions at indigenous concentrations in alkaline sodic soils are reported. Metal ions at low concentrations are measured by the graphite furnace atomic absorption spectrometry (GFAAS) technique.

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4

Chorom, Mostafa. "Behaviour of alkaline sodic soils and clays as influenced by pH and particle change." Title page, contents and abstract only, 1996. http://web4.library.adelaide.edu.au/theses/09PH/09phc551.pdf.

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Copies of author's previously published articles inserted. Bibliography: leaves 173-196. The objective of this thesis is to investigate the factors affecting swelling and dispersion of alkaline sodic soils containing lime and the ways to manage these soils to improve their physical condition. Studies on pure clay systems are included to understand the fundamental process involved in swelling and dispersion of pure and soil clays.

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5

Sarmah, Ajit K. "Persistence and mobility of triasulfuron, metsulfuronmethyl, and chlorsulfuron in alkaline soils." Title page, abstract and contents only, 1998. http://web4.library.adelaide.edu.au/theses/09PH/09phs2461.pdf.

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Bibliography: leaves 157-174. This study examined the fate of three common sulfonylurea herbicides in highly alkaline soils through a series of laboratory and field experiments to determine if existing leaching models could be used to describe their field behaviour under Australian climatic conditions. A liquid chromatographic method was developed to simultaneously determine levels of triasulfuron, metsulfuronmethyl, and chlorsulfuron in soil and water. The investigation of base hydrolysis for the herbicides in aqueous buffer and soil solutions determined that it was unlikely to be a major los

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6

Lockwood, Cindy Louise. "Biogeochemical processes and trace element mobility in alkaline waste affected soils." Thesis, University of Leeds, 2014. http://etheses.whiterose.ac.uk/7555/.

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High pH leachates can mobilise oxyanion forming elements from alkaline waste, such as iron and steel slags and bauxite ore processing residue, into the wider environment. Red mud is a highly alkaline waste product from bauxite ore processing. It contains elevated concentrations of oxyanion forming elements such as Al, As, V and Mo that are mobilised at high pH together with other trace metals including Cu and Ni. The red mud spill at Ajka, Hungary released 1 million m3 of caustic red mud into the surrounding area. As part of the initial clean-up, some thinner red mud deposits (< 5 cm) were plo

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7

Ali, Abdul-Mehdi Saleh. "Reactions of urea phosphate in calcareous and alkaline soils: Ammonia volatilization and effects on soil sodium and salinity." Diss., The University of Arizona, 1989. http://hdl.handle.net/10150/184694.

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Nitrogen (N) loss in the form of volatilized ammonia (NH₃) is a considerable problem when ammonium (NH₄⁺) forming fertilizers are applied to calcareous or alkaline soils. Large areas of agricultural land, contain alkalinity and salinity problems, are potentially suitable for crop production with little alteration. This study was conducted to determine and compare the effectiveness of urea phosphate (UP) in reducing soil alkalinity and NH₃ loss. The volatilization of NH₃ from UP and urea (U) was studied on 3 selected soils (Hayhook SL, Laveen L and Latene L) using an aeration system. Urea phosp

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8

Tran, Alexander Nam. "Environmental influences on alkaline phosphatase diversity and fungalbacterial interactions in crop soils." Thesis, The University of Sydney, 2021. https://hdl.handle.net/2123/25896.

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Terrestrial plants can develop mutualistic symbiotic relationships with a range of root colonising soil fungi which can enhance plant growth and physiology. These fungal endophytes interact with soil bacteria, forming a tripartite plant-fungal-bacterial interaction that is crucial in the soil phosphorus cycle. However, most of this understanding is limited to arbuscular mycorrhizal fungi and knowledge about the interactions of other fungal root endophytes in the field is relatively new. In this thesis, soil phosphorus solubilising bacteria (PSB) communities were investigated in Japanese and Au

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9

Miraglio, Michael Andrew. "Base-activated persulfate treatment of contaminated soils with pH drift from alkaline to circumneutral." Pullman, Wash. : Washington State University, 2009. http://www.dissertations.wsu.edu/Thesis/Spring2009/M_Miraglio_040809.pdf.

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Thesis (M.S. in Environmental Engineering)--Washington State University, May 2009.<br>Title from PDF title page (viewed on May 21, 2009). "Department of Civil and Environmental Engineering." Includes bibliographical references (p. 14-15).

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10

Nuñez, Moreno Jesus Humberto. "Nutritional Studies on Pecans [Carya illinoinensis L. (Wangenh.) C. Koch] Growing in Irrigated Alkaline Soils." Diss., The University of Arizona, 2009. http://hdl.handle.net/10150/194206.

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Annual application of N at rates of 118 (118N), 236 (236N), and 354 (354N) kg•ha⁻¹ on 35 year old 'Western Schley' pecan trees during four years had little effect on mineral composition and foliar N. No differences in yield, nut quality, and reproductive characteristics were found. Alternate bearing intensity in four consecutive years was 37, 33 and 28% in 118N, 236N, and 354N, respectively, with a significant linear response. Rates from 118 to 236 kg N•ha⁻¹ satisfy N needs for pecan in irrigated pecan orchard of the southwest of United States. The effect of one-time banding of zinc sulfate (

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11

Rowley, Sean D. "Phosphorus and Potassium Fertility Management for Maximizing Tart Cherry Fruit Quality and Productivity on Alkaline Soils." DigitalCommons@USU, 2013. http://digitalcommons.usu.edu/etd/1518.

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Suitable orchard land in regions of high elevation, arid climates, and alkaline soil conditions is becoming more limited due to urban sprawl. With the loss of suitable farmland, increasing input costs, and the lack of sound fertility information for these regions, fruit growers face challenges in producing high quality fruit to meet local and general market demand. The question that arises is whether fruit growers can supply sufficient quantities of quality fruit to take full advantage of local and global demand. Government data for population, fruit production, and fruit consumption in Utah w

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12

Pérez, Martín Laura. "Physiological, molecular and genetic mechanisms of adaptation to alkaline and saline soils in Arabidopsis thaliana populations." Doctoral thesis, Universitat Autònoma de Barcelona, 2021. http://hdl.handle.net/10803/673642.

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Els sòls salins-alcalins produeixen efectes més perjudicials que les sals neutres, reduint severament la productivitat de les plantes. Contràriament, l'objectiu agronòmic d'aquest segle consisteix a augmentar les produccions agrícoles per alimentar a una població creixent. Aquest estudi té com a objectiu explorar els mecanismes fisiològics, moleculars i genètics subjacents a les diferències en el rendiment de les plantes en condicions alcalines-salines utilitzant poblacions naturals d' A. thaliana de Catalunya i del món. En el capítol I, les respostes fisiològiques d' ecotips catalans d' A. t

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13

Denton, Matt. "Influence of naturalised Rhizobium leguminosarum bv. trifolii populations on the nodulation of alternative clovers (Trifolium spp.) in alkaline soils / Matt Denton." Adelaide, Sth. Aust, 2000. http://hdl.handle.net/2440/22423.

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Bibliography: leaves 186-209.<br>xiii, 218 leaves : ill. (some col.), 1 col. map ; 30 cm.<br>Title page, contents and abstract only. The complete thesis in print form is available from the University Library.<br>Thesis (Ph.D.)--Adelaide University, Dept. of Agronomy and Farming Systems, 2000

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Denton, Matt. "The influence of naturalised Rhizobium leguminosarum bv. trifolii populations on the nodulation of alternative clovers (Trifolium spp.) in alkaline soils / Matt Denton." Thesis, Adelaide, Sth. Aust, 2000. http://hdl.handle.net/2440/22423.

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15

Leduc, Frédéric. "Linking the neuropeptide annetocin with reproductive success of the earthworm Eisenia fetida in two natural soils amended with the wood preservatives chromated copper arsenate (CCA) and alkaline copper quaternary (ACQ)." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=82274.

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Chromated copper arsenate (CCA), type C, was largely used as a wood preservative due to its exceptional fungicidal and insecticidal properties. Although this treatment was prohibited for residential purposes in Canada and in the United-States of America, concerns about CCA-treated wood focus on the possible threat on human health and the contamination of the environment, through the leaching of metals from existing structures. The objectives of this thesis are (1) to assess the effects of metals leached from CCA- and ACQ-treated wood on the survival, the growth and the reproductive succ

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16

Nuno, Cristelo. "Deep soft soil improvement by alkaline activation." Thesis, University of Newcastle Upon Tyne, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.506707.

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17

BUBACK, JOCILEIA ALVES. "RESIDUAL SOIL ALKALINE ORIGIN CHARACTERIZATION AT THE TANGUÁ CITY, RIO DE JANEIRO." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2008. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=12148@1.

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COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>Vários estudos sobre o comportamento de produtos oriundos da alteração de rochas devido à ação intempérica já foram desenvolvidos no país. Esses estudos são de grande importância para a engenharia geotécnica, principalmente em locais de clima tropical, quente e úmido, como o Brasil, já que as condições climáticas possuem uma influência significativa na formação resultante da rocha. Logo, o conhecimento detalhado da origem do solo contribui para uma melhor compreensão do seu comportamento geomecânico. Este trabalho compreende

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18

Leishman, Robert. "The study of silica particle formation and growth in alkaline silica-sols using fluorescence anisotropy." Thesis, University of Strathclyde, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.426627.

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19

Kramer, Matthew J. Dwyer John P. Ponder Felix. "Fertilizer effects on soil pH, soil nutrients, and nutrient uptake in swamp white and pin oak seedlings on an alkaline Missouri River bottomland." Diss., Columbia, Mo. : University of Missouri--Columbia, 2008. http://hdl.handle.net/10355/5727.

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The entire thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file; a non-technical public abstract appears in the public.pdf file. Title from PDF of title page (University of Missouri--Columbia, viewed on September 25, 2009). Thesis advisors: Dr. John Dwyer, Dr. Felix Ponder, Jr. Includes bibliographical references.

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20

Habash, Atheel [Verfasser]. "Overexpression of Pyruvate, Orthophosphate Dikinase Facilitates Phosphate Uptake and Allows Better Growth of Tobacco in Alkaline Soil / Atheel Habash." Berlin : Freie Universität Berlin, 2013. http://d-nb.info/1043687661/34.

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21

Habash, Atheel Najib Yousef [Verfasser]. "Overexpression of Pyruvate, Orthophosphate Dikinase Facilitates Phosphate Uptake and Allows Better Growth of Tobacco in Alkaline Soil / Atheel Habash." Berlin : Freie Universität Berlin, 2013. http://nbn-resolving.de/urn:nbn:de:kobv:188-fudissthesis000000095410-9.

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22

Moreau, Sophie. "The detection and delineation of saline/alkali soils in Cochabamba department Bolivia : a comparison of field survey methods with remote sensing using landsat MSS data." Thesis, McGill University, 1989. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=61929.

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23

Stanway, Andrew Paul. "The biochemical basis of acid and alkali production by Rhizobium and Bradyrhizobium in the soil." Thesis, University of Reading, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329566.

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24

Showalter, Julia M. "Evaluation of Topsoil Substitutes for Restoration of Appalachian Hardwoods on Strip Mined Land." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/34638.

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Current surface mine reclamation in Appalachia involves returning the land to approximate original contour by grading the surface and planting grasses and early-successional trees. This results in a greatly altered ecosystem compared to the native forest that was there prior to mining. The reclaimed land is usually degraded economically and environmentally because mine soils are usually less productive than the native soils, and because the mined sites do not provide the same level of ecosystem services. This research addressed constraints to the return of the native ecosystem by assessing

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25

Azzi, Valérie. "Les apports des métaux traces par les fertilisants chimiques phosphatés dans les sols libanais : investigation sur leur devenir et leur transfert." Thesis, Toulouse 3, 2016. http://www.theses.fr/2016TOU30093/document.

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L'utilisation de machines lourdes et la fertilisation des sols ont été la solution pour améliorer le rendement agricole et augmenter les aires des sols cultivés. Les pays émergeants Est-Méditerranéens souffrent d'un manque crucial des législations et des règlementations qui organisent l'usage des fertilisants chimiques. Cela est principalement dû à l'insuffisance des données sur les caractéristiques des sols et les pratiques agricoles. La fertilisation excessive est devenue une source potentielle de contamination des sols par les éléments traces métalliques (ETM) susceptible de migrer vers les

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26

Aydin, Gulsen. "Use Of Waste Pyrite From Mineral Processing Plants In Soil Remediation." Phd thesis, METU, 2011. http://etd.lib.metu.edu.tr/upload/12613900/index.pdf.

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Pyrite (FeS2) is commonly present in complex sulphide ores in significant amounts. After the enrichment of such ores by flotation, pyrite is either produced as a separate concentrate and sold to acid manufactures or removed and disposed off as tailing. Due to lack of demand from manufacturers, most of pyrites is usually disposed off as tailing. Therefore, pyrite is usually a waste from complex sulphide ores. Yet, it may be a remediation additive for calcareous soils and calcareous- alkali soils deficient in Fe and other micronutrients such as Cu, Zn and Mn. Waste pyrite may be also an alternat

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27

NORDSTRÖM, LEA, and ANNA BRUCE. "Delningsmetodens inverkan på mikrofiberduk." Thesis, Högskolan i Borås, Institutionen Textilhögskolan, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-20181.

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I arbetet för Vikan AB var uppgiften att undersöka två olika delningsmetoder för mikrofibrer. Vikan AB är ett företag som utvecklar och framställer textila rengöringsredskap i mikrofibrer och tror sig ha kommit på en ny delningsmetod som förhoppningsvis ger en rad fördelar mot den nuvarande metoden. Den nya framställningsmetoden går under arbetsnamnet Easy Split och har ännu inte introducerats på marknaden.Studien har gått ut på att i fyra olika avseenden utvärdera de olika metodernas för- och nackdelar. De olika aspekterna har således varit processgång, utseende, hållbarhet och funktion. Utvä

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28

Diógenes, Talita Barbosa Abreu. "Acúmulo de matéria seca e nutrientes e resposta do tomateiro caeté a doses de nitrogênio e fósforo." Universidade Federal Rural do Semi-Árido, 2016. http://bdtd.ufersa.edu.br:80/tede/handle/tede/632.

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Submitted by Lara Oliveira (lara@ufersa.edu.br) on 2016-11-14T18:59:04Z No. of bitstreams: 1 TalitaBAD_TESE.pdf: 1355424 bytes, checksum: 10c90b40333797c1f50b564fc944b569 (MD5)<br>Approved for entry into archive by Vanessa Christiane (referencia@ufersa.edu.br) on 2017-01-24T14:42:46Z (GMT) No. of bitstreams: 1 TalitaBAD_TESE.pdf: 1355424 bytes, checksum: 10c90b40333797c1f50b564fc944b569 (MD5)<br>Approved for entry into archive by Vanessa Christiane (referencia@ufersa.edu.br) on 2017-01-24T14:43:30Z (GMT) No. of bitstreams: 1 TalitaBAD_TESE.pdf: 1355424 bytes, checksum: 10c90b40333797c1f50b564f

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Martins, Elisângela Rosemeri Curti. "Tipologias de lagoas salinas no Pantanal da Nhecolândia (MS)." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/8/8135/tde-14012013-172446/.

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A Nhecolândia é uma sub-região do Pantanal Mato-Grossense, que se caracteriza pela presença de um amplo sistema lacustre formado por milhares de lagoas com contornos arredondados. Pesquisas anteriores mostram uma grande variabilidade entre as lagoas, que são mais ou menos salinas, mas que coexistem na paisagem a algumas dezenas, ou centenas, de metros de distância umas das outras. O objetivo geral deste trabalho foi compreender essa variabilidade no espaço e no tempo, e identificar os processos responsáveis por essa variabilidade, a fim de elaborar uma tipologia de lagoas aplicável a essa regi

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Taulis, Mauricio. "Groundwater characterisation and disposal modelling for coal seam gas recovery." Thesis, University of Canterbury. Civil Engineering, 2007. http://hdl.handle.net/10092/3104.

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Coal Seam Gas (CSG) is a form of natural gas (mainly methane) sorbed in underground coal deposits. Mining this gas involves drilling a well directly into an underground coal seam, and pumping out the water (CSG water) flowing through it. Presently, CSG is under exploration in New Zealand (NZ); however, there is concern about CSG water disposal in NZ mainly because of the controversy that this activity has generated in some basins in the United States (US). The first part of this thesis studies CSG water from a well in Maramarua (NZ) and compares it to water from US basins. The NZ CSG water fro

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31

Diógenes, Talita Barbosa Abreu. "Resposta da mamoneira a doses de potássio, boro, zinco, cobre, magnésio e a fontes de nitrogênio." Universidade Federal Rural do Semi-Árido, 2012. http://bdtd.ufersa.edu.br:80/tede/handle/tede/464.

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Made available in DSpace on 2016-08-31T13:15:06Z (GMT). No. of bitstreams: 1 TalitaBAD_DISSERT.pdf: 1199750 bytes, checksum: 6beacf2ab995069e2c168a6be1d1f249 (MD5) Previous issue date: 2012-03-27<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>The production of castor bean in the Apodi Plateau can be used as an alternative to crop rotation schemes aimed at economic and environmental sustainability of areas traditionally cultivated cucurbits. For the castor produce satisfactorily, the adaptation to climate conditions and the use of appropriate farming is essential to have

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Grigaliūnienė, Kristina. "Ilgalaikio tręšimo poveikis skirtingos kilmės dirvožemių biologiniam aktyvumui." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2006. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2005~D_20060117_170123-78293.

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The effect of organic and mineral fertilizers on biological activity of different genesis soils in long-term crop rotation trials was determined. Biological activity was diverse in the soils of different genesis and it activity correlated with some soil chemical properties. Organic and mineral fertilizers and their combinations more increased biological activity in the soil than only mineral fertilizers. Mineral fertilizers suppressed dehydrogenase and alkaline phosphatase activity (180 kg ha-1) with phosphorus and potassium fertilizers. The relationship between the crops grown, their yield an

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Stacey, Samuel Peter. "New micronutrient fertilisers for alkaline soils." 2007. http://hdl.handle.net/2440/58492.

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Title page, table of contents and abstract only. The complete thesis in print form is available from the University of Adelaide Library.<br>Trace element deficiencies represent an ongoing limitation to agricultural productivity in Southern Australia and in many regions of the world. Trace element deficiencies are commonly encountered on alkaline and calcareous soils due to their high metal adsorption and fixation capacities. Chelating agents, such as EDTA, have been used to reduce fertiliser fixation in these soils and increase trace element transport to the rhizosphere. However, EDTA, which

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Smith, Michael Shane. "The geochemistry of alkaline salt-affected soils." Phd thesis, 2009. http://hdl.handle.net/1885/151491.

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Fotovat, A. "Chemistry of indigenous Zn and Cu in the soil-water system : alkaline sodic and acidic soils / by Amir Fotovat." 1997. http://hdl.handle.net/2440/19068.

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Copies of author's previously published articles inserted.<br>Bibliography: leaves 195-230.<br>xx, 320 leaves : ill. (some col.) ; 30 cm.<br>Title page, contents and abstract only. The complete thesis in print form is available from the University Library.<br>In this study the soil aqueous phase chemistry of Zn and Cu in alkaline sodic soils are investigated. The chemistry of trace metal ions at indigenous concentrations in alkaline sodic soils are reported. Metal ions at low concentrations are measured by the graphite furnace atomic absorption spectrometry (GFAAS) technique.<br>Thesis (Ph.D.)

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Chorom, Mostafa. "Behaviour of alkaline sodic soils and clays as influenced by pH and particle change / Mostafa Chorom." Thesis, 1996. http://hdl.handle.net/2440/18887.

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Copies of author's previously published articles inserted.<br>Bibliography: leaves 173-196.<br>xviii, 197 leaves : ill. (some col.) ; 30 cm.<br>The objective of this thesis is to investigate the factors affecting swelling and dispersion of alkaline sodic soils containing lime and the ways to manage these soils to improve their physical condition. Studies on pure clay systems are included to understand the fundamental process involved in swelling and dispersion of pure and soil clays.<br>Thesis (Ph.D.)--University of Adelaide, Dept. of Soil Science, 1996

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Li, Hsueh-Chen, and 李雪甄. "Effects of Decreasing pH on Phosphorous Availability and Species in Alkaline Soils." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/28589306277244965291.

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碩士<br>國立嘉義大學<br>農藝學系研究所<br>99<br>As pH decreased by amendment of acidifying materials in alkaline or calcareous soil, soil P will behave more releasable. Not only P availability will be raised but also P loss may increase. The objectives of the study were to investigate the effects of decrease of pH on P availability and fractions in alkaline soils. Four agricultural soils (Chengchung, Lukang, Taikang, and Tapais) of Taiwan, which are in the pH range from 7 to 8, were used for illustration. The soils were amended with five levels of P (0, 25, 125, 250 and 500 mg kg-1) and then their pHs were a

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Sangar, Sunita. "Evolutionary economics approach to evaluation:gypsum based technology for improvement of alkaline soils." Thesis, 2002. http://localhost:8080/xmlui/handle/12345678/3207.

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Sangar, Sunita. "Evolutionary economics approach to evaluation:gypsum based technology for improvement of alkaline soils." Thesis, 2002. http://localhost:8080/xmlui/handle/12345678/6820.

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Gillis, Joseph Daniel. "Monitoring Organic Contaminant Concentrations and Carbon Mineralization in Field Soils Receiving Alkaline-Stabilized Biosolids." 2011. http://hdl.handle.net/10222/14188.

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The application of municipal sewage biosolids to agricultural land is a common practice worldwide. Increasing attention is being directed at the presence of organic contaminants bound to the organic phase during wastewater treatment, which end up in the biosolids. The goal of this study was to investigate the decomposition of an alkaline-stabilized biosolid being used as an agricultural soil amendment containing unknown organic contaminants. A two year field trial and a 120 day laboratory soil incubation using increasing rates (0, 7, 14, 28, and 42 Mg ha-1) of an alkaline-stabilized biosolid (

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Muhammad, Sher [Verfasser]. "Microbial use of organic substrates and maize growth, especially in saline and alkaline soils of Pakistani Punjab / by Sher Muhammad." 2005. http://d-nb.info/974450790/34.

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Reddy, P. Hari Prasad. "Remedial Measures For Alkali Induced Heave In Soils." Thesis, 2008. https://etd.iisc.ac.in/handle/2005/755.

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Sub-surface soil pollution by various processes with high concentration of contaminants can significantly alter geotechnical properties of soils causing unexpected failures of structures founded on them. The changes can occur due to alteration in soil water interaction processes and/or by intense chemical interactions leading to mineralogical and microstructural changes. Behaviour of soil upon contamination with alkali pollutant is one of the major concerns faced by the geotechnical researchers in recent years. In the present study an attempt has been made to understand the role of mineralogic

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Reddy, P. Hari Prasad. "Remedial Measures For Alkali Induced Heave In Soils." Thesis, 2008. http://hdl.handle.net/2005/755.

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Sub-surface soil pollution by various processes with high concentration of contaminants can significantly alter geotechnical properties of soils causing unexpected failures of structures founded on them. The changes can occur due to alteration in soil water interaction processes and/or by intense chemical interactions leading to mineralogical and microstructural changes. Behaviour of soil upon contamination with alkali pollutant is one of the major concerns faced by the geotechnical researchers in recent years. In the present study an attempt has been made to understand the role of mineralogic

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Manju, *. "Alkali Induced Heave In Kaolinitic Soils And Remedial Measures." Thesis, 2005. https://etd.iisc.ac.in/handle/2005/1490.

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Manju, *. "Alkali Induced Heave In Kaolinitic Soils And Remedial Measures." Thesis, 2005. http://etd.iisc.ernet.in/handle/2005/1490.

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Sankara, Gullapalli. "Geotechnical Behaviour Of Soil Containing Mixed Layered Illite-Smectite Contaminated With Caustic Alkali." Thesis, 2006. https://etd.iisc.ac.in/handle/2005/352.

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The aim of the thesis has been to evaluate and understand the effect of caustic alkali solution of varying composition on the behaviour of expansive soil containing mixed layered minerals. Mixed layered minerals are formed of two or more kinds of inter grown layers, not physical mixtures. Illite - smectite is the most abundant and wide spread of the mixed layered clay minerals in sedimentary rocks and soils and also more common than either discrete illite or smectite. In geotechnical engineering much attention has not been paid to the behaviour of soils containing mixed layered minerals. Much

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47

Sankara, Gullapalli. "Geotechnical Behaviour Of Soil Containing Mixed Layered Illite-Smectite Contaminated With Caustic Alkali." Thesis, 2006. http://hdl.handle.net/2005/352.

Full text

Abstract:

The aim of the thesis has been to evaluate and understand the effect of caustic alkali solution of varying composition on the behaviour of expansive soil containing mixed layered minerals. Mixed layered minerals are formed of two or more kinds of inter grown layers, not physical mixtures. Illite - smectite is the most abundant and wide spread of the mixed layered clay minerals in sedimentary rocks and soils and also more common than either discrete illite or smectite. In geotechnical engineering much attention has not been paid to the behaviour of soils containing mixed layered minerals. Much

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Shu, Weixi. "SOIL PHOSPHORUS DYNAMICS UNDER ANNUAL OR SINGLE APPLICATIONS OF ALKALINE TREATED BIOSOLIDS." 2014. http://hdl.handle.net/10222/50411.

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Land application of biosolids as a soil fertility amendment is an alternative to traditional disposal methods. The influence of annual Alkaline Treated Biosolids (ATB) land application on phosphorus (P) dynamics in acidic soils needs to be better understood for more efficient P management. This study examines plant uptake, plant available, soil total phosphorus (P) content and potential P accumulation as a function of rate and frequency of application of an ATB amended to an agricultural soil over four years. The results suggest that applying high rates of ATB annually can increase the soil pH

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Cheng, Shao-Liang, and 鄭紹良. "In situ stabilization of a cadmium contaminated soil with recyclable alkaline materials." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/89581564601991517071.

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碩士<br>國立屏東科技大學<br>環境工程與科學系所<br>99<br>Using chemical amendments is a low cost way for soil remediation, which can decline the bioavailable concentration of heavy metal. This study selected four alkaline materials as the amendments characterized by a large production rate to reduce the bioavailability of Cd with precipitation and sorption mechanisms. They are oyster shell (shell), furance slag (slag), biochar, and carbonate crystal from cleaning water processes. An acidic and silt loam-textured soil contaminated with Cd has been performed with the application rates of 0.5%, 1%, 2%, and 4%. The a

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Parhi, P. S. "Stabilization of expansive soils using alkali activated fly ash." Thesis, 2014. http://ethesis.nitrkl.ac.in/5949/1/E-116.pdf.

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This research work presents the efficacy of sodium based alkaline activators and class F fly ash as an additive in improving the engineering characteristics of expansive Black cotton soils. Sodium hydroxide concentrations of 10, 12.5 and 15 molal along with 1 Molar solution of sodium silicate were used as activators. The activator to ash ratios was kept between between 1 and 2.5 and ash percentages of 20, 30 and 40 %, relatively to the total solids. The effectiveness of this binder is tested by conducting the Unconfined compressive strength (UCS) at curing periods of 3,7 and 28 days and is com

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