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Rozprawy doktorskie na temat „Salinity control”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 1 lutego 2022

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1

Gudmundsson, Kristinn. "Control of salinity intrusion caused by sea level rise." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-11242009-020133/.

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Foroozanfar, Maryam. "Genetic control of tolerance to salinity in Medicago truncatula." Thesis, Toulouse, INPT, 2013. http://www.theses.fr/2013INPT0035/document.

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Parmi les contraintes abiotiques la salinité est considérée comme un problème majeur, qui affecte le fonctionnement des plantes, en particulier leur croissance et leur rendement. Afin d’étudier le contrôle génétique de la tolérance à la salinité chez Medicago truncatula, plante modèle de la famille des légumineuses, deux expérimentations ont été réalisées. La première expérimentation visait à étudier l’effet de la contrainte saline sur différents paramètres morpho-physiologiques pour un panel de génotypes de M. truncatula afin de déterminer les traits de phénotypage pour la tolérance à la sali

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Asghar, Muhammad Nadeem. "Computer simulation of salinity control by means of an evaporative sink." Thesis, University of Newcastle Upon Tyne, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.318173.

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Barr, N. F. "Salinity control, water reform and structural adjustment : the Tragowel Plains Irrigation District /." Connect to thesis, 1999. http://eprints.unimelb.edu.au/archive/00000230/l.

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Turkmen, Muserref. "Sulfur-containing odorants and the effects of high salinity in anaerobically digested biosolids." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 224 p, 2007. http://proquest.umi.com/pqdweb?did=1257807571&sid=6&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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Graham, Tennille. "Economics of protecting road infrastructure from dryland salinity in Western Australia." University of Western Australia. School of Agricultural and Resource Economics, 2009. http://theses.library.uwa.edu.au/adt-WU2009.0207.

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[Truncated abstract] The salinisation of agricultural land, urban infrastructure and natural habitat is a serious and increasing problem in southern Australia. Government funding has been allocated to the problem to attempt to reduce substantial costs associated with degradation of agricultural and non-agricultural assets. Nevertheless, Government funding has been small relative to the size of the problem and therefore expenditure needs to be carefully targeted to interventions that will achieve the greatest net benefits. For intervention to be justified, the level of salinity resulting from p

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Berns, Donna M. "Physiological Responses of Thalassia testudinum and Ruppia maritima to Experimental Salinity Levels." [Tampa, Fla.] : University of South Florida, 2003. http://purl.fcla.edu/fcla/etd/SFE0000198.

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Israelsen, Karl R. "Herbicide, Salinity, and Flooding Tolerance of Foxtail Barley (Hordeum jubatum L.) and Desirable Pasture Grasses." DigitalCommons@USU, 2009. https://digitalcommons.usu.edu/etd/519.

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Research trials performed in the greenhouse compared the tolerance and response of Hordeum jubatum and desirable pasture grass species to herbicides, salinity, and flooding. Desirable grass species used in this study included: `Fawn' tall fescue (Festuca arundinaceae), `Garrison' creeping foxtail (Alopecurus arundinaceus), `Palaton' reed canarygrass (Phalaris arundinacea), `Climax' timothy (Phleum pratense), `Alkar' tall wheatgrass (Thinopyrum ponticum), `Potomac' orchardgrass (Dactylis glomerata), and `Mustang' altai wildrye (Leymus angustus). Tolerance to herbicides, salinity, and floodin

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Bernatzeder, Andrea Katinka. "Salinity induced physiological responses in juvenile dusky kob, Argyrosomus japonicus (Sciaenidae)." Thesis, Rhodes University, 2009. http://hdl.handle.net/10962/d1005163.

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Fisheries management regulations for dusky kob Argyrosomus japonicus, an important commercial and recreational fisheries species, have failed and the stock is considered collapsed. It is important to take an ecosystems approach to management which includes understanding the effect of environmental factors on recruitment, abundance and distribution. The distribution of early juveniles (20-150 mm TL) in the wild appears to be restricted to the upper reaches of estuaries at salinities below 5 psu. Food availability could not explain the distribution of early juveniles. The aim of this study was t

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Slaughter, Andrew Robert. "The refinement of protective salinity guidelines for South African freshwater resources." Thesis, Rhodes University, 2005. http://eprints.ru.ac.za/159/.

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Bell, Lindsay William. "Prospects of Dorycnium species to increase water use in agricultural systems of southern Australia /." Connect to this title, 2005. http://theses.library.uwa.edu.au/adt-WU2006.0033.

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Schroeder, Robin L. "Exchange flows in an urban water body: Bayou St. John responses to the removal of flood control structures, future water elevation control, and water quality." ScholarWorks@UNO, 2011. http://scholarworks.uno.edu/td/1394.

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Bayou St. John, an urban water body extending south from Lake Pontchartrain, has two anthropogenic structures that regulate flow from the Lake . The City of New Orleans has plans to remove the inner control structure to improve water quality. Field and numerical methods used in this study show removing this structure increased water elevations throughout the Bayou but resulted in lower water elevation signal amplitudes that caused a lower tidal flow exchange from north to south. Bulk Richardson numbers showed mixing was inversely related to flow and the Bayou generally remains stratified. Resu

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Long, Amy K. "Control of lysogeny in marine bacteria : studies with phiHSIC and natural populations." [Tampa, Fla] : University of South Florida, 2006. http://purl.fcla.edu/usf/dc/et/SFE0001737.

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Lerotholi, Sekhonyana. "The role of salinity as an abiotic driver of ecological condition in a rural agricultural catchment." Thesis, Rhodes University, 2006. http://hdl.handle.net/10962/d1005528.

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The Kat River is an agricultural catchment that drains salt rich geology. Potential salinity impacts on ecological condition of the river were investigated. Monthly salt concentrations and flow discharges were monitored at ten sites along the Kat River below the Kat Dam. Monthly salt loads were computed to relate salinity to land use and ionic data used to assess the toxicity of major salts using the TIMS model. Concentration duration curves for sodium chloride were derived from flow concentration relationships, representing sodium chloride concentrations to which the aquatic ecosystem had bee

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15

Doole, Graeme John. "Value of perennial pasture phases in dryland agricultural systems of the eastern-central wheat belt of Western Australia." University of Western Australia. School of Agricultural and Resource Economics, 2007. http://theses.library.uwa.edu.au/adt-WU2007.0213.

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Over the past thirty years, price relativities and technological development have motivated an increase in the area of land allocated to cropping, as opposed to pasture production, throughout the central wheat belt of Western Australia. Nevertheless, reducing the proportion of pasture in these rotations has challenged the future productivity of farming systems in this area. First, the frequent application of selective herbicides for weed control in extended cropping rotations has promoted the development of herbicide resistance in a number of major agricultural weeds. Second, the primary use o

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Bell, Lindsay William. "Prospects of Dorycnium species to increase water use in agricultural systems of southern Australia." University of Western Australia. School of Plant Biology, 2006. http://theses.library.uwa.edu.au/adt-WU2006.0033.

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[Truncated abstract] Dryland salinity is a major environmental challenge facing agriculture in Australia. One option to manage dryland salinity is the use of perennial forages that increase water use of agricultural systems. However, the current array of perennial forages is limited. Forage species that satisfy the range of climatic and edaphic environments, and production systems, in southern Australia are needed (Chapter 1). In particular, low rainfall regions lack options other than lucerne (Medicago sativa L.) (Chapter 1). The Dorycnium genus (canary clovers) contains perennial species tha

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Stringer, Christina Elaine. "Hydrologic Controls on Salinity in Mangroves and Lagoons." Scholar Commons, 2010. http://scholarcommons.usf.edu/etd/3583.

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This dissertation explores the hydrologic controls on salinity within mangroves and lagoons at sites in Florida and Mexico. The main objective of this research is to better understand hydrologic controls on mangrove ecosystem structure and develop ideas that will be useful to land managers attempting to regulate and conserve these critical habitats. This study was conducted at sites in Ft. Pierce, FL and Costalegre on the central Pacific coast of Mexico. We examined controls on water levels and salinity in a mangrove on a carbonate barrier island along the Indian River Lagoon, east-central Flo

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18

Ghazzi, Pierre Albert. "Controls on and reduction of the sodicity hazard of soils of the Euphrates valley (Syria)." Thesis, University of Salford, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.386392.

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Silva, Alexsandro Oliveira da [UNESP]. "Fertirrigação e controle da salinidade no cultivo de beterraba em ambiente protegido." Universidade Estadual Paulista (UNESP), 2012. http://hdl.handle.net/11449/93813.

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Made available in DSpace on 2014-06-11T19:26:47Z (GMT). No. of bitstreams: 0 Previous issue date: 2012-07-30Bitstream added on 2014-06-13T20:15:40Z : No. of bitstreams: 1 silva_ao_me_botfca.pdf: 2497584 bytes, checksum: acd2b658d1dbff5be344d07027c33e34 (MD5)<br>Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)<br>Universidade Estadual Paulista (UNESP)<br>O uso em execesso de fertilizantes em cultivo sobre ambiente protegido pode levar à salinização, e esse processo pode ser monitorado pela condutividade elétrica na solução do solo. O presente trabalho foi realizado com o objetivo

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Silva, Alexsandro Oliveira da 1985. "Fertirrigação e controle da salinidade no cultivo de beterraba em ambiente protegido /." Botucatu : [s.n.], 2012. http://hdl.handle.net/11449/93813.

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Orientador: Antônio Evaldo Klar<br>Coorientador: Ênio Farias de França e Silva<br>Banca: Hélio Grassi Filho<br>Banca: Tales Miler Soares<br>Resumo: O uso em execesso de fertilizantes em cultivo sobre ambiente protegido pode levar à salinização, e esse processo pode ser monitorado pela condutividade elétrica na solução do solo. O presente trabalho foi realizado com o objetivo de avaliar a utilização de extratores em cápsulas porosas no manejo da fertirrigação e no controle do processo de salinização em cultivo de beterraba (Beta vulgaris L.). Duas cultivares de beterraba (Early Wonder Tall Top

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Olivier, Miriam Frances. "Temperature and salinity controls on methanogenesis in an artificial freshwater lake (Cardiff Bay, Wales)." Thesis, Cardiff University, 2016. http://orca.cf.ac.uk/88353/.

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Cardiff Bay is an artificial freshwater lake created by the impoundment of 100 ha of estuarine intertidal mudflats in the early 2000s. This dramatic environmental change is reflected in the sedimentary record as a sharp transition between lacustrine gyttja and estuarine clay sediments. This study utilises a combination of geochemical, molecular genetic and novel cultivation based approaches to explore how the methanogen community of Cardiff Bay sediments has responded to the transition from brackish to freshwater conditions caused by impoundment, and how they might respond to future climate ch

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Silva, Ênio Farias de França e. "Manejo da fertirrigação e controle da salinidade na cultura do pimentão utilizando extratores de solução do solo." Universidade de São Paulo, 2002. http://www.teses.usp.br/teses/disponiveis/11/11143/tde-26072002-152339/.

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O presente trabalho foi realizado com o objetivo de avaliar a utilização de extratores providos de cápsulas cerâmicas no manejo da fertirrigação e no controle do processo de salinização em um cultivo de pimentão (Capsicum annuum L.), ocasionado pelo acúmulo de fertilizantes aplicados em excesso, a partir de um monitoramento da condutividade elétrica da solução do solo e de nutrientes específicos (potássio e nitrato) pelo uso de testes rápidos. Foram analisados os efeitos da técnica proposta no crescimento vegetativo e no rendimento obtido no cultivo de pimentão sob ambiente protegido. Utilizar

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Laranjeira, Isabel Maria Fernandes. "Controlo do risco de salinização de um solo de barro (vertissolo) melhorando a drenagem interna com subsolagem e drenos toupeira." Master's thesis, Universidade de Évora, 2006. http://hdl.handle.net/10174/16441.

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O objetivo deste trabalho é o de estudar um conjunto de técnicas de drenagem em regadio (subsolado e drenos toupeira) que garantam a melhoria das condições de drenagem interna dos solos de Barro (Vertissolos), contribuindo enquanto condições base para a sua proteção contra a salinização. Os resultados discutidos no presente trabalho decorrem da monitorização da salinidade do solo, numa parcela localizada no Outeiro em Ferreira do Alentejo, onde foram instalados em solo de Barro (Cp): drenos de plástico com subsolagem e com drenos toupeira e drenos toupeira apenas. Estando sujeita em anos anter

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Blanco, Flávio Favaro. "Tolerância do pepino enxertado à salinidade em ambiente protegido e controle da salinização do solo." Universidade de São Paulo, 2000. http://www.teses.usp.br/teses/disponiveis/11/11143/tde-10022003-141143/.

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A aplicação de fertilizantes via água de irrigação é prática comum para cultivos em ambiente protegido, o que pode resultar na salinização do solo se o manejo da irrigação não for adequado. Com isso, é de grande importância que se estabeleça a tolerância das culturas à salinidade e o controle eficiente da irrigação para cada cultura a fim de se promover a lixiviação do excesso de sais da zona radicular até um nível tolerado pelas plantas. O presente trabalho teve o objetivo de estabelecer um manejo adequado da fertilização e da irrigação para a cultura do pepino enxertado em ambiente protegido

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Medeiros, Pedro Róbinson Fernandes de. "Manejo da fertirrigação em ambiente protegido visando o controle da salinidade para a cultura do tomate em solo franco-argiloso." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/11/11143/tde-11022011-100428/.

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Em condições de ambiente protegido, o controle da salinidade e o manejo da fertirrigação se confundem, pois os sais fertilizantes utilizados na maioria das vezes são as principais causas de salinização. Com o monitoramento periódico da solução do solo, pode-se determinar a condutividade elétrica e a concentração de íons específicos essenciais a nutrição das plantas. Dentre as técnicas de extração da solução do solo, o extrator de cápsula porosa destaca-se pela praticidade em campo, baixo custo, fácil manejo e boa precisão. O objetivo desta pesquisa foi calibrar e avaliar o uso de extratores de

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Dias, Nildo da Silva. "Manejo da fertirrigação e controle da salinidade em solo cultivado com melão rendilhado sob ambiente protegido." Universidade de São Paulo, 2004. http://www.teses.usp.br/teses/disponiveis/11/11143/tde-13092004-171203/.

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Com o objetivo de avaliar o uso de extratores de soluções do solo no auxílio ao manejo da fertirrigação e no controle da salinidade em solo cultivado com melão rendilhado, conduziu-se um estudo em ambiente protegido na área experimental do Departamento de Engenharia Rural da ESALQ/USP, localizado no município de Piracicaba, SP. Os tratamentos foram compostos da combinação de dois fatores: 6 níveis de salinidade inicial do solo (S1 = 1,0; S2 = 2,0; S3 = 3,0; S4 = 4,0; S5 = 5,0 e S6 = 6,0 dS m-1) e dois manejos de fertirrigação: tradicional e com controle da condutividade elétrica da solução do

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Tavares, Antonio Clarette Santiago. "Manejo da fertirrigação e controle da salinidade para a cultura do pimentão (Capsicum annuum) utilizando medidores de íons da solução do substrato." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/11/11143/tde-06032006-140814/.

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A produção agrícola, de maneira geral, sofre ação direta das condições climáticas e da exigência em insumos. Dentre as olerícolas cultivadas sob estufas no Estado de São Paulo, o pimentão destaca-se pelo volume total comercializado. No entanto, o manejo inadequado da irrigação, a adição de fertilizantes em altas dosagens e a inexistência de chuvas promotoras de lixiviação destes sais podem causar salinização e desequilíbrio nutricional dos solos ou dos substratos de cultivo nas áreas sob estufas. O objetivo desse trabalho foi estabelecer uma comparação entre a fertirrigação que é feita de for

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Silva, Everaldo Moreira da. "Manejo da fertirrigação em ambiente protegido visando o controle da salinidade do solo para a cultura da berinjela." Universidade de São Paulo, 2011. http://www.teses.usp.br/teses/disponiveis/11/11143/tde-09022011-110850/.

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Com o monitoramento periódico da solução do solo, pode-se determinar a condutividade elétrica e a concentração de íons específicos, essenciais à nutrição das plantas. Dentre as técnicas de extração da solução do solo, o extrator de cápsula porosa destaca-se pela praticidade em campo, baixo custo, fácil manejo e boa precisão. Com isso objetivou-se estudar os efeitos de diferentes níveis de salinidade do solo sobre as variáveis fenológicas e de produção da berinjela, cultivada em vasos e em ambiente protegido, e averiguar se a manutenção da condutividade elétrica em um determinado nível promove

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Lettéron, Alexandre. "Caractérisation sédimentologique, stratigraphique et paléoenvironnementale du système carbonaté lacustre à salinité variable du bassin d'Alès et des régions limitrophes (Priabonien, SE France) : implications paléoclimatiques et paléogéographiques." Thesis, Aix-Marseille, 2018. http://www.theses.fr/2018AIXM0084.

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Les systèmes carbonatés lacustres salins présentent un fort potentiel d’enregistrement des changements paléogéographiques et paléoclimatiques. Ce manuscrit présente une méthode d’analyse pluridisciplinaire (sédimentologie, écologie, stratigraphie, paléontologie, géochimie et paléomagnétisme) et multi-échelle (µm au km) appliquée au bassin lacustre d’Alès et des régions limitrophes au cours du Priabonien (–38 à –33,5Ma). Cette approche a permis d’apporter de nouveaux éléments dans les reconstitutions paléoenvironnementales, paléogéographiques et paléoclimatiques du sud–est de la France au Priab

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Greiner, Eric. "Mise en oeuvre de méthodes de contrôle optimal pour l'assimilation de données in situ et satellitaires dans les modèles océaniques." Paris 6, 1993. http://www.theses.fr/1993PA066108.

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L'etude porte sur la resolution de problemes de moindres carres non lineaires rencontres dans le domaine des ecoulements oceaniques a grande echelle. L'originalite de ce travail reside dans l'approche qui est faite par la methode du controle optimal plutot que par une technique statistique. Cette methode consiste a minimiser une fonctionnelle correspondant au probleme de moindre carre etudie, le minimum de cette optimisation etant une solution du probleme. Lors des applications numeriques, le gradient de cette fonctionnelle n'est pas calcule par differences finies mais a l'aide du modele adjoi

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Kuper, Marcel. "Irrigation management strategies for improved salinity and sodicity control." Phd thesis, 1997. http://tel.archives-ouvertes.fr/tel-00422363.

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An integrated approach is developed to assess a priori the effects of irrigation management interventions on soil salinity, sodicity and transpiration. The approach is tested for a 75,000 ha irrigation system in Pakistan, where canal and groundwater are used conjunctively. The main hypothesis is that by reallocating good quality canal water, the use of poor quality groundwater can be restricted, thus combating salinity and sodicity and mitigating their effects on crops. The study has three components. Firstly, interventions in canal water deliveries to tertiary units are analyzed using an unst

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Taylor, Peter John 1957. "Potential impacts of interception belts on the management of dryland salinity." 1999. http://web4.library.adelaide.edu.au/theses/09AGRP/09agrpt245.pdf.

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Bibliography: p. 161-185. The main aim of this project was to establish whether or not interception belts can be expected to transpire sufficient volumes of water to be considered a feasible option for controlling rising groundwater. (conclusion)

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"Osmoregulatory control of the gene expression of growth hormone receptor and prolactin receptor in black seabream (Acanthopagrus schlegeli)." 2005. http://library.cuhk.edu.hk/record=b5892531.

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Fung Chun Kit.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 2005.<br>Includes bibliographical references (leaves 117-139).<br>Abstracts in English and Chinese.<br>Declaration of Originality --- p.i<br>Acknowledgements --- p.ii<br>Abstract --- p.iii<br>摘要 --- p.v<br>List of figures --- p.vi<br>List of tables --- p.viii<br>List of abbreviations --- p.ix<br>Chapter Chapter I --- General introduction --- p.1<br>Chapter 1.1 --- Different fish habitats with various salinities --- p.1<br>Chapter 1.2 --- Osmotic challenges faced by teleosts --- p.2<br>Chapter 1.3 --- High ionic stre

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Humphries, Alan Wayne. "New challenges for lucerne in southern Australian farming systems : identifying and breeding diverse lucerne germplasm to match these requirements." 2008. http://hdl.handle.net/2440/50451.

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Lucerne is a deep-rooted perennial pasture that is promoted to land managers in southern Australia to mitigate the effects of dryland salinity, a problem of national significance caused by the replacement of native trees and shrubs with annual crops and pastures. In recent years, the acceptance of climate change has provided further rationale for increasing the use of perennial legumes in our farming systems. Perennial legumes have a role in offsetting C02 emissions by sequestering C and N in soil, and provide new, resilient options for future farming in a warmer and more variable climate. Thi

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Kirkby, S. D. (Stephen Denis). "Managing dryland salinisation with an integrated expert system/geographic information system / S.D. Kirkby." 1994. http://hdl.handle.net/2440/21517.

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Bibliography: leaves 119-218.<br>xiv, 218 leaves : ill. (some col.), maps (some col.) ; 30 cm.<br>Title page, contents and abstract only. The complete thesis in print form is available from the University Library.<br>Salt Manager represents the software system developed by this thesis to implement an interactive land classification methodology. An Expert System (ES), a Geographic Information System (GIS), remotely sensed information and a relational database management system (RDBMS) have been utilised to construct the methodology.<br>Thesis (Ph.D.)--University of Adelaide, Dept. of Geography,

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