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Dissertations / Theses on the topic 'Efficiency index of use'

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Published: 30 May 2022

Last updated: 31 July 2025

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1

Van, Der Walt Johannes Tinus. "Development of a sustainability index for South African dwellings incorporating green roofs, rainwater harvesting and greywater re-use." Thesis, Stellenbosch : Stellenbosch University, 2012. http://hdl.handle.net/10019.1/20138.

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Thesis (MScEng)--Stellenbosch University, 2012.<br>ENGLISH ABSTRACT: South African water service providers experience major problems with providing adequate water services to consumers. Water service providers in South African urban areas rely on traditional centralised infrastructure, such as bulk supply networks, to provide water services. Alternative supply and stormwater drainage methods should be encouraged to help mitigate these problems. The researcher thus aims to quantify the potential impact that three alternative methods may have on a given dwelling in terms of its dependence o

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2

Borges, Bernardo Melo Montes Nogueira [UNESP]. "Efficiency of nitrogen sources and rates on growth and dry matter yield of tifton 85." Universidade Estadual Paulista (UNESP), 2016. http://hdl.handle.net/11449/138169.

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Submitted by Bernardo Melo Montes Nogueira Borges null (bernardonog@hotmail.com) on 2016-04-27T20:07:00Z No. of bitstreams: 1 Tese_Bernardo_Melo_Montes_Nogueira_Borges.pdf: 1559546 bytes, checksum: 6d1bf6517586eaeee1a07a41f98d1490 (MD5)<br>Approved for entry into archive by Felipe Augusto Arakaki (arakaki@reitoria.unesp.br) on 2016-04-29T22:10:32Z (GMT) No. of bitstreams: 1 borges_bmmn_dr_jabo.pdf: 1559546 bytes, checksum: 6d1bf6517586eaeee1a07a41f98d1490 (MD5)<br>Made available in DSpace on 2016-04-29T22:10:32Z (GMT). No. of bitstreams: 1 borges_bmmn_dr_jabo.pdf: 1559546 bytes, checksum:

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Hmimina, Gabriel. "Apports de la télédétection rapprochée et de la modélisation à l’étude de la structure et du fonctionnement des couverts végétaux." Thesis, Paris 11, 2013. http://www.theses.fr/2013PA112274/document.

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L’anticipation des effets des changements climatiques nécessite une bonne compréhension dufonctionnement carboné des écosystèmes continentaux. L’une des principales contraintes liées àl’étude de ces écosystèmes est la forte variabilité à la fois spatiale et temporelle de leurs flux decarbone et de leurs réponses aux contraintes abiotiques. L’usage de méthodes de télédétectionoptiques pourrait permettre de suivre de façon spatialisée le fonctionnement des couverts végétaux.Ce travail vise à évaluer le potentiel de méthodes de télédétection pour décrire la structure et lefonctionnement de couver

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Castro, Gabriel Y. "Eficiência de absorção e utilização de fósforo em batata cultivada in vitro." Universidade Federal de Santa Maria, 2009. http://repositorio.ufsm.br/handle/1/4994.

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Conselho Nacional de Desenvolvimento Científico e Tecnológico<br>Phosphorus (P) restriction to plants is one of major limiting factors for crop productivity. Alternatively to application of P-containing fertilizer, this obstacle to the vegetal production can be surmounted by developing of efficient plants in P-uptake and use. The objective of this work was to verify if there is behavior difference for Puptake and use efficiency and response to P-supply in 22 potato clones (Solanum tuberosum e S. microdontum) cultivated in vitro, as well as to report which characteristics of the plants are rela

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5

Mills, Annamaria. "Understanding constraints to cocksfoot (Dactylis glomerata L.) based pasture production." Phd thesis, Lincoln University. Agriculture and Life Sciences Division, 2007. http://theses.lincoln.ac.nz/public/adt-NZLIU20070717.161658/.

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This research examined the mechanisms by which temperature, water availability and nitrogen (N) affect the dry matter (DM) yield potential of cocksfoot (Dactylis glomerata L.) dominant pastures. The experiment was a split plot design with main plots of fully irrigated (I) or dryland (D), sub-plots of N fertiliser at 800 kg N/ha in 2003/04; and 1600 kg N/ha in 2004/05 (+N) or 0 kg N/ha (-N). The potential environmental yield of an established 8 year old cocksfoot dominant pasture was 21.9 t DM/ha/y from I+N pastures compared with 9.8 t DM/ha by I-N pastures and 15.1 t DM/ha/y by D+N pastures.

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6

Mattos, Eduardo Moré de. "Caracterização da sazonalidade do crescimento do lenho, da copa e da eficiência do uso da luz em clones do gênero Eucalyptus." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/11/11150/tde-20102015-164358/.

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Fotossíntese é o processo biofísico pelo qual energia luminosa é transformada em energia química armazenada em compostos de carbono. A taxa fotossintética instantânea possui um forte padrão assintótico em resposta ao incremento da intensidade luminosa, porém quando integramos a fotossíntese em escalas espaciais e temporais maiores, observa-se um padrão linear de resposta entre radiação interceptada e produção. Esta abordagem permitiu o surgimento de modelos baseados nas taxas de conversão de energia radiante em biomassa seca, ou eficiência do uso da luz (ε). Valores publicados para o E

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Campoe, Otávio Camargo. "Efeito de práticas silviculturais sobre a produtividade primária líquida de madeira, o índice de área foliar e a eficiência do uso da luz em plantios de restauração da Mata Atlântica." Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/11/11150/tde-25072008-122441/.

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Os objetivos do estudo foram identificar o melhor modelo de restauração pela manipulação da composição florística e práticas silviculturais, e compreender como este melhor desenvolvimento é explicado pelos fatores que controlam o uso e a eficiência do uso da luz pelo dossel florestal. Com esta fundamentação foi instalado em 2004, na Estação Experimental de Anhembi/ESALQ/USP, o ensaio \"Modelos de restauração de áreas degradadas da Mata Atlântica visando o seqüestro de carbono\", com 20 espécies nativas e oito sistemas de restauração florestal, baseados em um delineamento fatorial 23, com três

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8

GALVAGNO, MARTA RITA. "Carbon dioxide exchange of an alpine grassland: integration of eddy covariance, proximal sensing and models." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2011. http://hdl.handle.net/10281/24290.

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The terrestrial biosphere represents a large pool of carbon, whose cycle is governed by the opposed processes of CO2 uptake (photosynthesis) and release (respiration) from and to the atmosphere. Considering the role of carbon dioxide in the observed global warming, monitoring, understanding and modeling carbon exchange of ecosystems is a critical issue in climate change researches. Moreover because of the multiple implications of vegetation structure dynamics on ecosystem carbon ﬂuxes, monitoring and modeling plant phenology is also of increasing scientific interest. Among terrestrial e

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Фонарьова, Тетяна Анатоліївна. "Формування ринкового потенціалу металургійних підприємств на основі оцінки використання їх людського капіталу". Thesis, Національний технічний університет "Харківський політехнічний інститут", 2020. http://repository.kpi.kharkov.ua/handle/KhPI-Press/44612.

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Дисертація на здобуття наукового ступеня кандидата економічних наук за спеціальністю 08.00.04 "Економіка та управління підприємствами (за видами економічної діяльності)". Національна металургійна академія України, м. Дніпро. Національний технічний університет "Харківський політехнічний інститут", м. Харків, 2019. У дисертаційній роботі здійснено постановку та запропоновано вирішення важливого для економіки України завдання формування ринкового потенціалу металургійних підприємств з врахуванням оцінки використання їх людського капіталу. На основі аналізу характеру і тенденцій розвитку досліджен

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Фонарьова, Тетяна Анатоліївна. "Формування ринкового потенціалу металургійних підприємств на основі оцінки використання їх людського капіталу". Thesis, Національний технічний університет "Харківський політехнічний інститут", 2020. http://repository.kpi.kharkov.ua/handle/KhPI-Press/44601.

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Дисертація на здобуття наукового ступеня кандидата економічних наук за спеціальністю 08.00.04 "Економіка та управління підприємствами (за видами економічної діяльності)". Національна металургійна академія України, м. Дніпро. Національний технічний університет "Харківський політехнічний інститут", м. Харків, 2019. Дисертаційна робота присвячена удосконаленню і подальшому розвитку теоретичних положень, методичних підходів та науково-практичних рекомендацій з формування ринкового потенціалу металургійних підприємств на основі оцінки використання їх людського капіталу. Сформовано визначення понятт

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11

Goodrich-Stuart, Ellen. "Forest Net Primary Production Resistance Across a Gradient of Moderate Disturbance." VCU Scholars Compass, 2014. http://scholarscompass.vcu.edu/etd/627.

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The global carbon (C) balance is vulnerable to disturbances that alter terrestrial C uptake and loss. Moderate disturbances that kill or defoliate only a subset of canopy trees such as insect defoliation, drought, and age-related senescence are increasing in extent and frequency; yet, little is known about the effect of moderate disturbance on forest production and the mechanisms sustaining or supporting the recovery of the C cycle across a range of moderate disturbance severities. We used a broad plot-scale gradient of upper canopy tree mortality within a large manipulation of forest disturba

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12

Verney, Steven P. "Pupillary responses index : information processing efficiency across cultures /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 2000. http://wwwlib.umi.com/cr/ucsd/fullcit?p9992386.

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13

Domingues, Lucas da Silva. "Seleção de linhagens de feijão para produção e acúmulo de cálcio na planta." Universidade Federal de Santa Maria, 2013. http://repositorio.ufsm.br/handle/1/3213.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>The common bean (Phaseolus vulgaris L.) is an important calcium source for human diet, thus the evaluation of the calcium use efficiency in common bean a relevant tool for crop sustainability. The aims of this study were to evaluate the response in common bean cultivars with different calcium concentrations in nutrient solution on dry matter production, yield components and calcium, potassium and magnesium accumulations; to investigate the association between these characters; to evaluate the genetic variability of lines for calciu

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14

Gherli, Hussein. "Nitrogen use efficiency in Brassica napus." Thesis, University of Warwick, 2017. http://wrap.warwick.ac.uk/97639/.

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The aim of this project was to enhance our knowledge of how nitrogen is transported and utilised within Brassica napus through the use of proteomics, phenotyping and genetic mapping. It highlights the importance of looking at all possible plant tissues to determine the mechanisms underlying seven macronutrients (N, P, Mg, Ca, S and Na) and five micronutrients (B, Cu, Fe, Mn and Zn) accumulation, since differences were observed between different tissues. Significant amount of mineral elements were found to remain in both the stem and roots at harvest, which in turn, highlights the inefficient m

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15

Chung, Y. Peter. "A transactions data test of stock index futures market efficiency and index arbitrage profitability." The Ohio State University, 1989. http://rave.ohiolink.edu/etdc/view?acc_num=osu1272488542.

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Hartley, Thomas Noel. "Increasing the potassium use efficiency of crops." Thesis, University of York, 2017. http://etheses.whiterose.ac.uk/20019/.

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Increasing the potassium use efficiency (KUE) of crops will be important in satisfying growing demand for food that is cost-effective and has minimal environmental consequences. The work presented in this thesis contributes to this aim by exploring the measurement of KUE and identifying drivers responsible for differences in KUE between rice genotypes at the physiological and genetic levels. In Chapter 2, a mathematical model was constructed based on growth experiments using cv. IR64 rice plants. Subsequently, sensitivity analysis was used to assess how best to measure KUE experimentally, show

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Sedibe, Moosa Mahmood. "Optimising water use efficiency for crop production." Thesis, Stellenbosch : Stellenbosch University, 2003. http://hdl.handle.net/10019.1/53541.

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Thesis (MScAgric)--University of Stellenbosch, 2003.<br>ENGLISH ABSTRACT: Poor water management and poor water use efficiency (WUE) have been identified as one of the major problems experienced by vegetable growers in most of the developing countries, including South Africa. This poor management and poor utilization of water have led to a drastic decline in the quality and quantity of available water. In South Africa agriculture uses about 50% of available water. Increasing water demand for domestic, industrial and mining uses, may decrease agriculture's share to less than the current 5

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Nichol, Caroline Jane. "Remote sensing of photosynthetic-light-use efficiency." Thesis, University of Edinburgh, 2000. http://hdl.handle.net/1842/15517.

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Narrow waveband spectral reflectance, chlorophyll fluorescence and gas exchange measurements were made sequentially on individual leaves of <i>Vicia faba</i> at three levels of 500, 1000 and 1500 mmol m<sup>-2</sup> s<sup>-1</sup>. PRI was calculated from the reflectance data and correlated with LUE calculated from gas exchange and photosystem II( PS II) efficiency measured from chlorophyll fluorescence. PRI was linearly related to photosystematic LUE and PS II efficiency over the range of light levels and followed the diurnal light response of photosynthetic light-use-efficiency. The relation

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Butler, Holly. "Optimising nutrient use efficiency in crop production." Thesis, Lancaster University, 2016. http://eprints.lancs.ac.uk/83220/.

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Food security for a growing population presents a significant challenge for crop production, with increasing pressures upon agriculutral productivity. There is a vast need to improve crop yield and quality using an efficient approach that does not present negative environmental impacts. A novel interrogation technique that is able to provide information of the overall health of a plant, would be extremely beneficial in an agriculutral, as well as research, setting. This information could be utilised to better understand the mechanisms of plant functions, including stress responses. Vibrational

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Ovsyuk, Nina Vasylivna, and Mykola Serhiiovych Nevinchanyy. "Efficiency of personnel use at the enterprise." Thesis, National Aviation University, 2021. https://er.nau.edu.ua/handle/NAU/53930.

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1. Ovsyuk, NV (2014). Staff motivation: essence and modern problems. Business inform, (2). 2. Cherep AV Methodical approaches to assessing the effectiveness of the use of labor potential of enterprises. URL: http://www.agro-svit.info/pdf/15_2012/12.pdf.<br>The essence of the category "staff" is considered. The approaches and methods of estimating the efficiency of the use of labor resources at the enterprise are revealed, the factors influencing them are investigated.<br>Розглянуто сутність категорії «персонал». Розкриті підходи та методи оцінки ефективності використання трудових р

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Ransom, Curtis J. "Nitrogen Use Efficiency of Polymer-Coated Urea." BYU ScholarsArchive, 2014. https://scholarsarchive.byu.edu/etd/3985.

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Plants require N to complete their life cycle. Without adequate concentration of N, crops will not produce their potential yields. For turfgrass systems, N fertilizer application allows for the maintenance of functional, aesthetic, and recreational properties. However, fertilizer mismanagement is common and leads to N pollution in the environment. Controlled-release and slow-release fertilizers can enhance nitrogen (N)-use efficiency, reduce N pollution, minimize the need for repeated fertilizer applications, and reduce turfgrass shoot growth and associated costs. In order to evaluate the effe

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Louw, Andries Barnabas. "Tools for the revision of a maintenance strategy for an explosives manufacturing plant, using asset management principles / A.B. Louw." Thesis, North-West University, 2009. http://hdl.handle.net/10394/3835.

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The research topic is: Tools for the revision of a maintenance strategy for an explosives manufacturing plant, using asset management principles. This research has specific reference to the SASOL Prillan plant based in SASOL, Sasolburg. The purpose of this research is to identify tools for the revision of a maintenance strategy for an explosives manufacturing plant, using asset management principles. These tools must be aimed to increase the proactive work capacity index, Figure 3, and to identify and/or develop tools that can be used by the engineering team of this explosives manufacturing pl

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Sinha, Pratik. "Ventilatory ratio : a simple bedside index to monitor ventilatory efficiency." Thesis, Imperial College London, 2013. http://hdl.handle.net/10044/1/14374.

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A lack of a simple index that monitors ventilatory efficiency at the bedside has meant that oxygenation has been the predominant variable that is used to monitor adequacy of ventilatory strategies and disease severity in mechanically ventilated patients. Due to complexities in its measurement, deadspace ventilation, the traditional method to track ventilatory failure, has failed to become integral in the management of mechanically ventilated patients. Ventilatory ratio (VR) is an easy to calculate index that uses variables measured at the bedside: [Mathematical equation appears here. To view,

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Hussain, Jakir. "Three Essays on the Measurement of Productivity." Thesis, Université d'Ottawa / University of Ottawa, 2017. http://hdl.handle.net/10393/36194.

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This doctoral thesis consists of three essays. In the first essay I investigate the presence of productivity convergence in eight regional pulp and paper industries of U.S. and Canada over the period of 1971-2005. Expectation of productivity convergence in the pulp and paper industries of Canadian provinces and of the states of its southern neighbour is high since they are trading partners with fairly high level of exchanges in both pulp and paper products. Moreover, they share a common production technology that changed very little over the last century. I supplement the North-American region

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Morgado, dos Santos Ana Maria. "Plant factors influencing water use efficiency of wheat." Thesis, University of Reading, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.434315.

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Hassan, Refaat Abdel-Salam. "Economic efficiency of the use of agricultural resources." Thesis, University of Nottingham, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.293315.

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Ahrens, Toby D. "Improving regional nitrogen use efficiency : opportunities and constraints /." May be available electronically:, 2009. http://proquest.umi.com/login?COPT=REJTPTU1MTUmSU5UPTAmVkVSPTI=&clientId=12498.

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Thennakoon, Mudiyanselage Sakura Dilhani Karunarathne. "Genetic improvement of nitrogen use efficiency in barley." Thesis, Thennakoon Mudiyanselage, Sakura Dilhani Karunarathne (2021) Genetic improvement of nitrogen use efficiency in barley. PhD thesis, Murdoch University, 2021. https://researchrepository.murdoch.edu.au/id/eprint/64211/.

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Grain yield is the key target in barley production. A powerful tool to increase yield has been the use of fertilizers of which nitrogen (N) is the main nutrient for the productivity and grain quality. Yet excessive application leads to environmental pollution and high production costs. Therefore, improvement of nitrogen use efficiency (NUE) is fundamental for sustainable agriculture. Only limited research has been conducted on barley NUE. A few QTLs controlling NUE have been identified, albeit they are not stable across experiments due to low marker density, limited genetic diversity and small

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Hill, Micheal W. "Improving Phosphorus Use Efficiency Through Organically Bonded Phosphorus." BYU ScholarsArchive, 2012. https://scholarsarchive.byu.edu/etd/3469.

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Current maximum efficiency of phosphorus (P) fertilizers that is utilized by plants in the same year of application ranges from near zero to thirty percent. Despite low utilization of P in crop production, yields are often limited by P deficiencies. Innovative technology is requisite to achieve greater efficiency as fertilizer demands are increasing, while phosphorus mineral resources are rapidly being depleted. A growing environmental concern for nutrient pollution of surface waters also carries significant weight. A novel new product, Carbond® P, is promising technology to increase P use eff

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Nett, Leif. "N use efficiency in field vegetable production systems." Doctoral thesis, Humboldt-Universität zu Berlin, Mathematisch-Naturwissenschaftliche Fakultät I, 2012. http://dx.doi.org/10.18452/16463.

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In der vorliegenden Studie wurden zwei Fragestellungen bearbeitet, die beide das Ziel verfolgen, die Stickstoff(N)-Ausnutzungseffizienz in landwirtschaftlichen Systemen zu steigern: 1) Hat die langjährige organische Düngung einen Einfluss auf den Abbau kürzlich applizierter organischer Dünger? Die Hypothese war, dass relevante Effekte nur bei schwer abbaubaren organischen Düngern auftreten während bei leicht abbaubaren organischen Düngern die Düngungshistorie keine Rolle spielt. 2) Können die hohen N-Bilanzüberschüsse im intensiven Freilandgemüsebau durch den Einsatz von Winterzwischenfrüchten

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Azizan, Noor Azlinna. "Stock index futures efficiency : comparison study between Malaysia, Singapore and London." Thesis, University of Liverpool, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.400409.

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Al-khasawneh, Jamal. "Bank Efficiency Dynamics and Market Reaction around Merger Announcement." ScholarWorks@UNO, 2006. http://scholarworks.uno.edu/td/1031.

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We study, using the non-parametric data envelopment approach, we investigated the long-run profit efficiency dynamics and the short-run market reaction of nine pre-classified merger deals of merging and non-merging U.S. banks over the time period from 1992 to 2003. Our main results are as follows: First, merger deals that match least efficient acquirers with the least efficient targets could improve their profit efficiency four years following the merger event, unlike all other merger deals. Second, we find that mergers match least efficient acquirers with the least efficient targets

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Tomás, Mir Magdalena. "Physiological mechanisms involved in water use efficiency in grapevines." Doctoral thesis, Universitat de les Illes Balears, 2012. http://hdl.handle.net/10803/84126.

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La sequera és una de les majors limitacions per a l’agricultura en general, factor que pot incrementar d’acord amb les prediccions del canvi climàtic. Per això, reduir l’ús de l’aigua en el reg i augmentar l’eficiència en l’ús de l’aigua (EUA) constitueix una de les majors prioritats per aconseguir una agricultura sostenible. L’EUA és un balanç entre guanys de biomassa i les despeses d’aigua. Aquesta Tesi s’ha centrat en l’estudi de 3 dels processos fisiològics que afecten a l’ús de l’aigua i a la producció de la planta en el cas de la vinya, i que per tant poden ser considerats factors poten

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Oguz, Saygin Can. "The Use And Efficiency Of Housung Stock In Turkey." Master's thesis, METU, 2003. http://etd.lib.metu.edu.tr/upload/1005636/index.pdf.

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Although efficient use of stock is an important issue of housing economics and policies, there is very little research on the subject in Turkey. This study aims to investigate the stock efficiency in Turkey by measuring the degree to which the housing stock matches household size. Distributions between dwelling units and the households in terms of their size are investigated for this purpose. The stock is studied within three zones of occupational density: comfort, overcrowding and underoccupation, according to international occupancy standards. The findings reveal that the rapid rise in under

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Tonmukayakul, Nop. "Water use efficiency of six dryland pastures in Canterbury." Lincoln University, 2009. http://hdl.handle.net/10182/1498.

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The annual and seasonal water use efficiency of six pasture combinations were calculated from the ‘MaxClover’ Grazing Experiment at Lincoln University. Pastures have been established for six years and are grazed by best management practices for each combination. Measurements for this study are from individual plots of four replicates of ryegrass (RG)/white clover (Wc), cocksfoot (CF)/Wc; CF/balansa (Bal) clover; CF/Caucasian (Cc) clover; CF/subterranean (Sub) clover or lucerne. Water extraction measurements showed soils for all dryland pastures had a similar plant available water content of

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Bernier, Marie-Hélène. "Assessing on-farm water use efficiency in southern Ontario." Thesis, McGill University, 2009. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=32251.

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Assessing On-Farm Irrigation Water Use Efficiency in Southern Ontario In southern Ontario, irrigation is essential for high value horticultural crop production to overcome insufficient rainfall and achieve stabilized crop production. In a context where competition for limited water resources intensifies due to the expansion of the agricultural sector, increasing urban development and tourism, and potential climate change impacts, conserving water through efficient irrigation has become a key solution to a

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Forbes, Gordon Hunter. "Molecular and cellular characterisation of N-use efficiency genes." Thesis, Lancaster University, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.441116.

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JUNIOR, JOSE AFONSO COSMO. "METHODS FOR ASSESSMENT OF THE RADIO SPECTRUM USE EFFICIENCY." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2006. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=9205@1.

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CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO<br>Nesta dissertação é proposto um novo método para a avaliação da eficiência de uso do espectro a ser aplicado para os sistemas de telecomunicações pontoárea, incluindo radiodifusão, e ponto-a-ponto. A definição proposta para o índice de eficiência é baseada nos aspectos técnicos, mas outros aspectos que podem influenciar na determinação da eficiência dos sistemas de telecomunicações, como os econômicos, sociais, políticos e estratégicos também são discutidos. O método é testado com dados reais de sistemas disponibilizados p

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Mohammed, Nahed. "Exploring rice genetic resources to improve nutrient use efficiency." Thesis, University of York, 2018. http://etheses.whiterose.ac.uk/20489/.

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Rice, as a major staple crop, is one of the most important targets for plant breeders in an attempt to secure enough food for a growing world population. Producing nutrient efficient crops has become essential not only to attempt securing enough food for the growing population, but also to eliminate environmental consequences of using fertilizers. Nitrogen (N), phosphorus (P) and potassium (K) are major macronutrients that are rate limiting for plant growth and crop productivity. The aims of this project were to explore the genetic diversity of rice to identify genotypes with high efficiency u

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Adiredjo, Afifuddin Latif. "Water use efficiency in sunflower : Ecophysiological and genetic approaches." Phd thesis, Toulouse, INPT, 2014. http://oatao.univ-toulouse.fr/20177/1/adiredjo.pdf.

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Water use efficiency (WUE), measured as the ratio of plant biomass to water consumption, is an essential agronomical trait for enhancing crop production under drought. Measuring water consumption is logistically difficult, especially in field conditions. The general objective of the present Thesis is to respond to three main questions: (i) can WUE be determined by using carbon isotope discrimination (CID), easy to measure?, (ii) how WUE and CID variation analysis can contribute to the genotypic selection of sunflower subjected to drought?, and (iii) can WUE variation be revealed by the variati

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Wynn, Paul Laurence. "Water use efficiency and drought resistance in ornamental plants." Thesis, The University of Sydney, 2009. https://hdl.handle.net/2123/28220.

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Increasing concerns over the distribution, abundance and security of fresh water resources in Australia have led to a nationwide re—evaluation of their management and sustainability. The potential for reductions in municipal water use through demand management are substantial, including the potential for savings through the improved design and management of the irrigated urban landscape. It is proposed that the selection of more appropriate plant species is essential to maximising outdoor water savings. Current plant selection practices are, however, typically based upon highly question

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Nayak, Ashwin. "A tool to support outdoor use efficiency in landscapes." Thesis, Nayak, Ashwin (2016) A tool to support outdoor use efficiency in landscapes. Honours thesis, Murdoch University, 2016. https://researchrepository.murdoch.edu.au/id/eprint/34987/.

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Perth’s transition towards becoming a more water sensitive city will be marked by a challenge to improve current standards of liveability. Liveability is a term intrinsically linked to green spaces (gardens and park), which are strongly linked to physical and mental benefits. WGV by LandCorp (WGV) is a housing development in Western Australia that aims to enhance this form of liveability through creative urban greening and a leading practice water management approach. WGV will host a research program monitoring various water related housing performance indicators upon construction. The pre-con

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Zhao, Yun. "Genetic dissection of wheat nitrogen use efficiency related traits." Thesis, Zhao, Yun (2019) Genetic dissection of wheat nitrogen use efficiency related traits. PhD thesis, Murdoch University, 2019. https://researchrepository.murdoch.edu.au/id/eprint/57397/.

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Nitrogen is not only an essential element for wheat development, but also a major determinant for wheat yield and protein quality. It is vital to improve wheat nitrogen use efficiency (NUE) as nitrogen is the most important component of all fertilizers that are provided for the pursuit of a higher wheat yield and better protein quality. Wheat NUE is an important quantitative trait that is very complex and easily influenced by the environment and its controlling network is still not clear. In the current study, a wheat doubled haploid (DH) population was used to study the genetic variations of

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Bellan, Alessandra. "Genetic engineering approaches to increase microalgae light use efficiency." Doctoral thesis, Università degli studi di Padova, 2018. http://hdl.handle.net/11577/3427159.

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In the next fifty years world population will reach 9-10 billion of people. This increment will drastically increase energy and food demand. The current global food and energy supply chain is not sustainable and it causes increasing CO2 emissions, exacerbating the greenhouse effect and the climate change, whose effects we are already experiencing. The Climate Change conference hold in Paris in 2015 showed a global consensus on the need to drastically reduce carbon emissions to avoid the environmental disaster, which is leading to many negative effects like desertification, animal and plants sp

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Ap, Gwilym O. M. "The efficiency, information content and intraday behaviour of UK index option prices." Thesis, Swansea University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.635790.

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There is only sparse published evidence on the behaviour of the prices of traded financial options in the UK. This thesis addresses this void in the literature by investigating several aspects of index options pricing on the London market. The efficiency of the market is tested directly by means of an event study based on the 1992 UK general election, and indirectly by examining the predictive power of the implied volatility from options. The option market appears less efficient than the stock market in its response to the public information from opinion polls, but does appear to have become m

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Bull, Torres Maria. "An Index to Measure Efficiency of Hospital Networks for Mass Casualty Disasters." Doctoral diss., University of Central Florida, 2012. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5145.

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Disaster events have emphasized the importance of healthcare response activities due to the large number of victims. For instance, Hurricane Katrina in New Orleans, in 2005, and the terrorist attacks in New York City and Washington, D.C., on September 11, 2001, left thousands of wounded people. In those disasters, although hospitals had disaster plans established for more than a decade, their plans were not efficient enough to handle the chaos produced by the hurricane and terrorist attacks. Thus, the Joint Commission on Accreditation of Healthcare Organizations (JCAHO) suggested collaborative

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Park, Jungsoo S. M. Massachusetts Institute of Technology. "The simulation analysis on the accuracy and efficiency of MIT transaction index." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/45399.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Urban Studies and Planning, 2008.<br>Includes bibliographical references (leaf 43).<br>The paper aims to investigate the improvement that Ridge regression brings to the commercial real estate index estimation. The MIT transaction based index extends the use of the last model by Fisher, Gatzlaff, Geltner and Haurin (2003.) They address the sample selection bias and the noise effect of the transaction prices in small sample. To correct sample selection bias, MIT transaction index use the Heckman two-step. In addition to the correctio

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Pokharel, Krishna Prasad. "Measuring the efficiency and productivity of agricultural cooperatives." Diss., Kansas State University, 2016. http://hdl.handle.net/2097/32944.

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Doctor of Philosophy<br>Department of Agricultural Economics<br>Allen M. Featherstone<br>This dissertation focuses on measuring the efficiency and productivity for agricultural cooperatives in the United States using the data envelopment analysis (DEA) approach. Economic measures such as cost efficiency, economies of scale, and economies of scope are measured by estimating a cost frontier in a multiproduct framework. Productivity growth is measured using the biennial Malmquist index approach. The cost frontier is the basis for calculating cost efficiency, economies of scale, and economies of

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Hlaváčová, Marcela. "Evaluation of water use efficiency of short rotation poplar coppice at Bohemian-moravian highlands." Master's thesis, 2014. http://www.nusl.cz/ntk/nusl-178767.

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The diploma thesis provides basic characteristics of short rotation coppice plantations, then the most significant short rotation coppice species cultivated in the Czech Republic are described. The detailed description of particular Populus L. clone J-105 grown at the plantation of the Test Station Domanínek Ltd. follows. Afterwards, key determinants of short rotation coppice yield are presented in the text. The last theoretical part of the thesis deals with water use efficiency (WUE) with emphasis on the method used at the experimental plantation in Domanínek. The methods of sap flow measurem

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Federolf, Carl-Philipp. "Slurry injection to optimize nutrient use efficiency in maize: Regional performance of manure based fertilizer strategies." Doctoral thesis, 2018. https://repositorium.ub.uni-osnabrueck.de/handle/urn:nbn:de:gbv:700-20181116781.

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The expansion of livestock husbandry and biogas production in large parts of northwestern Germany during the last two decades increased the amount of accruing manure, as well as the demand for maize as fodder crop and substrate for biogas plants. To overcome phosphorus deficiency symptoms during early growth of maize, farmers commonly apply mineral starter fertilizers containing ammonium-nitrogen and phosphorus on top of the usual manure applications required to meet crop nutrient demand. This practice typically leads to overfertilization of N and P and the excess nutrients are then prone to b

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