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Rozprawy doktorskie na temat „Nutrient uptakes”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Fernandes, Adalton Mazetti [UNESP]. "Crescimento, produtividade, acúmulo e exportação de nutrientes em cultivares de batata (Solanum tuberosum L.)." Universidade Estadual Paulista (UNESP), 2010. http://hdl.handle.net/11449/86341.

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Made available in DSpace on 2014-06-11T19:22:14Z (GMT). No. of bitstreams: 0 Previous issue date: 2010-02-08Bitstream added on 2014-06-13T20:48:33Z : No. of bitstreams: 1 fernandes_am_me_botfca.pdf: 2098703 bytes, checksum: 759836994d5f93a856b439bc8f063c52 (MD5)<br>Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)<br>A cultura da batata tem grande importância para o Brasil e para o Estado de São Paulo. Porém, apesar de sua importância, falta maiores informações sobre a fisiologia e nutrição mineral desta cultura, limitando a obtenção de elevadas produtividades, com alta qu

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Bista, Deepesh R. "Effect of Climate Change on Nutrient Uptake and Nutrient-Uptake Proteins in Roots." University of Toledo / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1513286902000333.

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Roose, T. "Mathematical model of plant nutrient uptake." Thesis, University of Oxford, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365790.

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This thesis deals with the mathematical modelling of nutrient uptake by plant roots. It starts with the Nye-Tinker-Barber model for nutrient uptake by a single bare cylindrical root. The model is treated using matched asymptotic expansion and an analytic formula for the rate of nutrient uptake is derived for the first time. The basic model is then extended to include root hairs and mycorrhizae, which have been found experimentally to be very important for the uptake of immobile nutrients. Again, analytic expressions for nutrient uptake are derived. The simplicity and clarity of the analytical

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Magar, Vanesa. "Nutrient uptake by a squirming microorganism." Thesis, University of Cambridge, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.621400.

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Machelett, Moritz Maximilian. "Nutrient uptake by oceanic oligotrophic bacteria." Thesis, University of Southampton, 2017. https://eprints.soton.ac.uk/418021/.

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The oligotrophic ubiquitous SAR11 clade of alphaproteobacteria and Prochlorococcus cyanobacteria numerically dominate bacterioplankton that drives the ecosystems of the five subtropical oceanic gyres, which cumulatively cover 40% of earth. Common gyre features like extremely low nutrient and chlorophyll concentrations as well as dominance of obligate oligotrophs suggest that the gyre ecosystems are uniform and function at the same pace. Competition in oligotrophic environment should favour optimisation of surface to volume ratio and selection for eÿcient high aÿnity transporters, which could b

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Barthelemy, Hélène. "Herbivores influence nutrient cycling and plant nutrient uptake : insights from tundra ecosystems." Doctoral thesis, Umeå universitet, Institutionen för ekologi, miljö och geovetenskap, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-120191.

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Reindeer appear to have strong positive effects on plant productivity and nutrient cycling in strongly nutrient-limited ecosystems. While the direct effects of grazing on vegetation composition have been intensively studied, much less is known about the indirect effect of grazing on plant-soil interactions. This thesis investigated the indirect effects of ungulate grazing on arctic plant communities via soil nutrient availability and plant nutrient uptake. At high density, the deposition of dung alone increased plant productivity both in nutrient rich and nutrient poor tundra habitats without

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Berry, L. S. "Calcification, photosynthesis and nutrient uptake in coccolithophores." Thesis, Swansea University, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.636084.

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<I>Emiliania huxleyi</I> is the most abundant coccolithophore in the World's oceans today. These organisms have the ability to calcify and photosynthesise, and may represent an important oceanic sink for dissolved inorganic carbon. As a result, they have the potential to influence the oceanic carbon cycle. It has been proposed that calcification may improve carbon acquisition under CO<SUB>2</SUB> <SUB>(aqueous)</SUB> limiting conditions, but may involve high Ca<SUP>2+</SUP> transport costs. In this thesis, results presented show that calcification increases in <I>E. huxleyi</I> (strain L) in r

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El-Gariani, Najat Khalifa. "Nutrient uptake by Peronospora and Phytophthora hyphae." Thesis, University of the West of England, Bristol, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.275354.

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Tollervey, Alan. "Algal nutrient uptake in recirculating aquaculture systems." Thesis, Heriot-Watt University, 1985. http://hdl.handle.net/10399/1651.

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Walworth, James, and David M. Kopec. "Aquatrols Surfactant Study on Turfgrass Nutrient Uptake." College of Agriculture and Life Sciences, University of Arizona (Tucson, AZ), 2004. http://hdl.handle.net/10150/216541.

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Nascimento, Martha Santana do [UNESP]. "Marcha de absorção de nutrientes em dois híbridos de mamona de porte baixo." Universidade Estadual Paulista (UNESP), 2009. http://hdl.handle.net/11449/99956.

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Made available in DSpace on 2014-06-11T19:30:25Z (GMT). No. of bitstreams: 0 Previous issue date: 2009-09-25Bitstream added on 2014-06-13T21:01:03Z : No. of bitstreams: 1 nascimento_ms_dr_botfca.pdf: 914604 bytes, checksum: 2887ca4922c6af0c8d8f9c4f190a3ce8 (MD5)<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>Com a ampliação da demanda da indústria ricinoquímica e, mais recentemente, a possibilidade do uso do óleo de mamona como biocombustível, há necessidade de realizar-se estudos referentes à absorção e acumulação de nutrientes nas diferentes fases de desenvolvime

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Lin, Wen. "Nutrient Uptake Estimates for Woody Species as Described by the NST 3.0, SSAND, and PCATS Mechanistic Nutrient Uptake Models." Thesis, Virginia Tech, 2009. http://hdl.handle.net/10919/34325.

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With the advent of the personal computer, mechanistic nutrient uptake models have become widely used as research and teaching tools in plant and soil science. Three models NST 3.0, SSAND, and PCATS have evolved to represent the current state of the art. There are two major categories of mechanistic models, transient state models with numerical solutions and steady state models. NST 3.0 belongs to the former model type, while SSAND and PCATS belong to the latter. NST 3.0 has been used extensively in crop research but has not been used with woody species. Only a few studies using SSAND and PCATS

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Mandair, Navdeep Singh. "Foliar uptake in Prosopis chilensis." Thesis, Coventry University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325768.

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Nascimento, Martha Santana do. "Marcha de absorção de nutrientes em dois híbridos de mamona de porte baixo /." Botucatu : [s.n.], 2009. http://hdl.handle.net/11449/99956.

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Orientador: Carlos Alexandre Costa Crusciol<br>Banca: Rogério Peres Soratto<br>Banca: Munir Mauad<br>Banca: Salatier Buzeetti<br>Banca: Takashi Muraoka<br>Resumo: Com a ampliação da demanda da indústria ricinoquímica e, mais recentemente, a possibilidade do uso do óleo de mamona como biocombustível, há necessidade de realizar-se estudos referentes à absorção e acumulação de nutrientes nas diferentes fases de desenvolvimento da mamona, o que permite determinar as épocas em que os elementos são mais exigidos durante o desenvolvimento da cultura e a distribuição desses nas diferentes estruturas d

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Fernandes, Adalton Mazetti. "Crescimento, produtividade, acúmulo e exportação de nutrientes em cultivares de batata (Solanum tuberosum L.) /." Botucatu : [s.n.], 2010. http://hdl.handle.net/11449/86341.

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Orientador: Rogério Peres Soratto<br>Banca: Roberto Lyra Villas Boas<br>Banca: Jose Magno Queiroz Luz<br>Resumo: A cultura da batata tem grande importância para o Brasil e para o Estado de São Paulo. Porém, apesar de sua importância, falta maiores informações sobre a fisiologia e nutrição mineral desta cultura, limitando a obtenção de elevadas produtividades, com alta qualidade e baixo custo de produção, já que as peculiaridades de cada cultivar podem fazer grande diferença no manejo. Além disso, as doses de fertilizantes normalmente utilizadas na cultura da batata são elevadas, o que gera gra

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Ajmera, Ishan. "A systems study of nutrient uptake in plants." Thesis, University of Nottingham, 2016. http://eprints.nottingham.ac.uk/32470/.

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The case for improving Phosphorus-Use Efficiency in crops is widely recognised. Although much is known about the underlying molecular and regulatory mechanisms, improvements have been hampered by the extreme complexity of phosphorus (P) dynamics in soil and plants (across all physical scales), including its soil chemistry and uptake, distribution and deficiency responses in plants. The urgency and direction of phosphate research is also being driven by the availability of finite P stocks to farmers and reducing environmental hazards. Thus, systems approaches become essential to identify the mo

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Gray, Travis Michael. "Linking Heterotrophic Metabolism and Nutrient Uptake in Headwater Streams." Thesis, Virginia Tech, 2007. http://hdl.handle.net/10919/34703.

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Autotrophs and heterotrophs differ in their demand, acquisition and use of materials, but fundamentally nutrient demand is inherently linked to metabolism based on the stoichiometry of biochemical reactions. The differences between these two groups of organisms confound straightforward regression approaches to quantifying the relationship between nutrient demand and metabolism at an ecosystem level. We address how nutrient demand in headwater streams changes with shifts in organic matter supply and associated microbial activity by investigating these relationships in the predominantly hetero

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Lima, Vitoria Fernandes de Melo. "Dinâmica do fitoplâncton e assimilação de nitrato, amônio e ureia em reservatórios subtropicais com diferentes graus de trofia." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/18/18138/tde-14082015-105749/.

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As atividades antrópicas desenvolvidas nas ultimas décadas têm alterado o ciclo natural dos nutrientes, o que traz efeitos negativos às aos recursos hídricos. Os crescentes problemas com a eutrofização nesses ambientes têm aumentado os casos de florescimento de cianobactérias, que podem trazer riscos aos ecossistemas e comprometer a saúde da população. Em reservatórios, esses efeitos são ainda mais indesejáveis tendo em vista que acumulam água para múltiplos usos. Em vista desse quadro, torna-se importante o estudo da relação dos nutrientes com a comunidade fitoplanctônica. Geralmente os estud

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Hassan, Khalida Abdul-Karim. "The effect of soil conditions on nutrient availability, nutrient uptake and productivity of spring wheat." Thesis, University of Manchester, 1989. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.329590.

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Raymond, Carinne A. "Factors affecting media pH and nutrient uptake in geraniums." College Park, Md. : University of Maryland, 2004. http://hdl.handle.net/1903/1877.

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Thesis (Ph. D.) -- University of Maryland, College Park, 2004.<br>Thesis research directed by: Natural Resource Sciences. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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Mendel, Lilyane I. J. "Does pubescence increase uptake of nutrient deposition on leaves?" Bachelor's thesis, University of Cape Town, 2009. http://hdl.handle.net/11427/25793.

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1. Leaf hairs have been associated with reducing environmental stress by increasing reflectance and the thickness of the boundary layer, however, such effects are more obvious in species with dense trichome layers. The adaptive functions for species with sparse leaf hair cover, such as in the Cape Proteaceae species of the Cape Floristic Region (CFR), remain unknown. 2. We postulated that leaf hairs of the Proteaceae in the CFR facilitate both nutrient absorption and water retention on the leaf surface. Leaf hair distribution is expected to show a pattern relative to the higher levels of atmos

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Santos, Kathryn Marie. "Nutrient supply and uptake during propagation of Petunia cuttings." [Gainesville, Fla.] : University of Florida, 2009. http://purl.fcla.edu/fcla/etd/UFE0024849.

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Zarzah, Mabrouk, and Mabrouk Zarzah. "Nutrient uptake by surface and subsurface drip irrigated cotton." Diss., The University of Arizona, 1986. http://hdl.handle.net/10150/191116.

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Field experiments to compare absorption of nutrients by cotton plant (Gossvpium hirsutum L. Var. Deltapine 62) and their distribution in soil under surface and subsurface drip systems were conducted in 1984 and 1985 at the Campus Agricultural Center, University of Arizona in Agua fine sandy loam soil (Typic Torriflvents). The mixed fertilizer solution with labeled nitrogen-source was injected into surface and subsurface drip treatments in equal amounts. There were no significant differences among surface and subsurface drip treatments detected with respect to total nitrogen, phosphorus, potass

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Köry, Jakub. "Multiscale modelling of nutrient and water uptake by plants." Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/50425/.

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Growing populations in combination with the effects of climate change make the task of ensuring global food security in the future challenging. Water and various nutrients contained in soils are essential for the growth and survival of crop plants. Processes governing the dynamics of these substances are often highly complex and occur at various spatial scales. Because of that, and also due to limited possibilities for direct studies of soil processes in general, the ability to model such processes across these scales will most likely be crucial to address the food security challenge. Therefor

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Memon, Jawed Akhtar. "Interaction between salinity and nutrients in cotton." Thesis, Bangor University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.297670.

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Chapman, K. "Interaction between tree species : Decomposition and nutrient release from litters." Thesis, Lancaster University, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.234635.

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Gardner, Tyler R. "Evaluation of in-season wheat nutrient uptake changes and nitrogen management for grain and dual purpose winter wheat." Thesis, Kansas State University, 2017. http://hdl.handle.net/2097/35263.

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Master of Science<br>Department of Agronomy<br>Dorivar A. Ruiz Diaz Suarez<br>An effective nutrient management plan is essential for optimum wheat (Triticum aestivum) yields. The objectives of the first study were to: i.) evaluate changes in concentration of nitrogen (N), phosphorus (P), potassium (K), sulfur (S), copper (Cu), manganese (Mn), and zinc (Zn), within separate plant parts, throughout the growing season, ii.) evaluate the uptake pattern and redistribution of each of these nutrients within the plant throughout the season, and iii.) evaluate the impact of micronutrient and S fertiliz

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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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Svennerstam, Henrik. "Amino acid uptake in Arabidopsis : the transporters involved, kinetics of uptake and growth on amino acids /." Umeå : Dept. of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences, 2008. http://epsilon.slu.se/200850.pdf.

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James, Karron. "TonB-protein interactions in nutrient uptake systems of «Escherichia coli»." Thesis, McGill University, 2010. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=86777.

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Nutrient acquisition by Gram-negative bacteria requires strategies for passage across the outer membrane (OM). Because iron is a vital nutrient for bacteria, we aim to elucidate the molecular mechanism of its uptake.<br>In an aerobic environment, ferric iron is predominant but exhibits low solubility. To overcome this challenge, bacteria import siderophores, ferric iron chelators. Siderophore import involves its binding to an OM receptor then to a periplasmic binding protein (PBP). Cytoplasmic membrane-embedded protein TonB, through its interaction with the periplasmic face of OM receptors

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Hurd, Catriona L. "The physiological ecology of nutrient uptake by intertidal fucoid algae." Thesis, Queen's University Belfast, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.332658.

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Siraj-Ali, Mahmoud Saleh. "Influence of nutrient solution pH on the availability and uptake of plant nutrients and growth of Chrysanthemum morifolium 'Bright Golden Anne' in hydroponic culture /." The Ohio State University, 1985. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487264603216396.

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Sherchan, Dil Prasad. "The potential of Tithonia diversifolia and other species as green manures for highly productive farming systems in the Nepalese Terai." Thesis, Bangor University, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367394.

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Guidorizzi, Fernando Vieira Costa [UNESP]. "Acúmulo de macronutrientes e produtividade de genótipos de cártamo (Carthamus tinctorius L.) em função da adubação nitrogenada no sistema plantio direto." Universidade Estadual Paulista (UNESP), 2016. http://hdl.handle.net/11449/138232.

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Submitted by FERNANDO VIEIRA COSTA GUIDORIZZI null (fernando_guidorizzi@hotmail.com) on 2016-05-02T19:07:11Z No. of bitstreams: 1 Fernando Guidorizzi - Dissertação Definitiva.pdf: 2781433 bytes, checksum: f56e6ea73314244bb7d600cdfc7a26d0 (MD5)<br>Approved for entry into archive by Felipe Augusto Arakaki (arakaki@reitoria.unesp.br) on 2016-05-04T18:43:58Z (GMT) No. of bitstreams: 1 guidorizzi_fvc_me_bot.pdf: 2781433 bytes, checksum: f56e6ea73314244bb7d600cdfc7a26d0 (MD5)<br>Made available in DSpace on 2016-05-04T18:43:58Z (GMT). No. of bitstreams: 1 guidorizzi_fvc_me_bot.pdf: 2781433 bytes,

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Chaiprapat, Sumate. "Modeling Nutrient Uptake Process and Growth Kinetics of Duckweed Spirodela punctata 7776 for Nutrient Recovery from Swine Wastewater." NCSU, 2002. http://www.lib.ncsu.edu/theses/available/etd-08132002-090507/.

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Use of plants for swine waste management involves the removal of nutrients from the swine wastewater by the plants and the utilization of the plant biomass for other useful purposes such as feed supplement and soil amendment. Duckweed has gained much interest for this purpose in the past decades because of its high growth rate and high protein content. The goal of this research was to study the characteristics of duckweed growth and nutrient uptake from swine wastewater in order to improve the efficiency of duckweed nutrient recovery. In the first part of this research, nutrient distribution a

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Fjare, Dana. "Coupling the effects of dissolved organic matter and nutrient stoichiometry with nutrient uptake in boreal forest headwater streams." Thesis, University of Alaska Fairbanks, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=1599978.

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<p> Discontinuous permafrost affects the hydrology of boreal forest streams by restricting flow path depth where permafrost is present. Stream water chemistry, such as flux of inorganic nutrients and dissolved organic matter (DOM), is subsequently affected by permafrost distribution. Headwater streams in the boreal forest are dependent on allochthonous inputs of energy and nutrients, and as a result are dominated by heterotrophic processes. A warming climate may change the distribution of permafrost in high latitude ecosystems, with consequences for nutrient availability. Herein, we investigat

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Falter, James L. "Mass transfer limits to nutrient uptake by shallow coral reef communities." Thesis, University of Hawaii at Manoa, 2002. http://hdl.handle.net/10125/3017.

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Uptake and assimilation of nutrients is essential to the productivity of coral reefs. Nutrient uptake rates by coral reef communities have been hypothesized to be limited by rates of mass transfer across a concentration boundary layer. The mass transfer coefficient S (m day-1) relates the maximum nutrient flux allowed by mass transfer to the nutrient concentration in the ambient water (Jmax =S[N]). The goal of this dissertation is to determine the maximum rate at which a coral reef flat community can take up nutrients according to mass transfer theory. Nutrient mass transfer coefficients for a

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Che-Haron, Ismail. "Nutrient uptake of three grass species in relation to water stress." Thesis, Imperial College London, 1991. http://hdl.handle.net/10044/1/46709.

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Purvis, Peter James McKinnon. "Nutrient uptake and run-off management of container-grown woody ornamentals." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ43203.pdf.

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Loecker, Jami L. "Manganese response and nutrient uptake in conventional and glyphosate-resistant soybean." Thesis, Manhattan, Kan. : Kansas State University, 2008. http://hdl.handle.net/2097/965.

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Giri, Anju. "Effect of Acute Heat Stress on Nutrient Uptake by Plant Roots." University of Toledo / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1384445444.

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Flores-Meza, Diego M. "Modeling metal uptake by barley plants (Hordeum vulgare) in nutrient solution." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file, 159 p, 2008. http://proquest.umi.com/pqdweb?did=1597632531&sid=49&Fmt=2&clientId=8331&RQT=309&VName=PQD.

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Pang, Tingfan. "Dynamic analysis of water and nutrient uptake for New Guinea Impatiens." Connect to resource, 1992. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1200588079.

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Hoang, Cong Tin. "Seasonality and nutrient-uptake capacity of Sargassum spp. in Western Australia." Thesis, Curtin University, 2016. http://hdl.handle.net/20.500.11937/49.

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The eight-band high resolution multispectral WorldView-2 satellite imagery demonstrated potential for mapping and monitoring Sargassum spp. beds and other associated coastal marine habitats around Rottnest Island and Point Peron. Sargassum spp. in Western Australian coast showed seasonal changes in canopy cover and mean thallus length which are also significantly influenced by the nutrient concentrations. This study documented the life cycle of Sargassum spinuligerum and successfully cultivated the species for the first time in Western Australia.

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Pradubsuk, Suphasuk. "Uptake and partitioning of mineral nutrients in concord grape." Online access for everyone, 2008. http://www.dissertations.wsu.edu/Dissertations/Spring2008/s_pradubsuk_040808.pdf.

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Finkler, Nícolas Reinaldo. "Dinâmica da retenção de nitrogênio e fósforo em riachos tropicais do bioma Cerrado (SP)." Universidade de São Paulo, 2018. http://www.teses.usp.br/teses/disponiveis/18/18138/tde-20062018-105639/.

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Os serviços ecossistêmicos se traduzem em benefícios diretos e indiretos obtidos pelos seres humanos do ambiente natural graças ao papel imprescindível dos ecossistemas para o seu bem-estar, saúde e desenvolvimento socioeconômico. Considerando o serviço ecossistêmico de purificação da água, a retenção de nitrogênio e fósforo pelos ecossistemas aquáticos depende de uma combinação de mecanismos físicos, químicos e biológicos que transformam o nutriente no sentido longitudinal de um curso de água. A retenção é majoritariamente estudada em ambientes temperados, mas ainda pouco se sabe sobre como a

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Rodrigues, Mario Sergio. "Composted societal organic wastes for sustainable wheat (Triticum aestivum) production." Thesis, Imperial College London, 1996. http://hdl.handle.net/10044/1/7884.

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Newbery, R. M. "Influence of CO₂ enrichment on the growth and nutritional status of Agrostis capillaris and Calluna." Thesis, Lancaster University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.240455.

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McHenry, Bailey Marie. "Balanced nutrition and crop production practices for the study of grain sorghum nutrient partitioning and closing yield gaps." Thesis, Kansas State University, 2016. http://hdl.handle.net/2097/32725.

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Master of Science<br>Agronomy<br>Ignacio Ciampitti<br>P. V. Vara Prasad<br>Mid-west grain sorghum (Sorghum bicolor (L.) Moench) producers are currently obtaining much lower than attainable yields across varying environments, therefore, closing yield gaps will be important. Yield gaps are the difference between maximum economic attainable yield and current on-farm yields. Maximum economic yield can be achieved through the optimization of utilizing the best genotypes and management practices for the specific site-environment (soil-weather) combination. This research project examines several mana

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Soto-Ortiz, Roberto. "Crop Phenology, Dry Matter Production, and Nutrient Uptake and Partitioning in Cantaloupe (Cucumis Melo L.) and Chile (Capsicum Annuum L.)." Diss., The University of Arizona, 2008. http://hdl.handle.net/10150/194813.

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Currently, the information available concerning requirements for optimum crop growth and development, dry matter production, and nutrient uptake and partitioning for Cantaloupes and New Mexico chile type cultivars is limited. Such information is required to predict and identify critical stages of growth in order to develop efficient nutrient management programs for these crops. The goals of this dissertation are: 1) to obtain general irrigated cantaloupe and New Mexico chile plants development models as a function of heat units accumulated after planting (HUAP), and 2) to determine dry matter

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