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Dissertations / Theses on the topic 'Fallow soil'

Author: Grafiati
Published: 2 June 2025
Last updated: 31 July 2025

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1

Heathman, Stanley, Jon Chernicky, Don Howell, and Barry Tickes. "Purple Nutsedge Control in Fallow Soil, Woodhouse Farm - Roll." College of Agriculture, University of Arizona (Tucson, AZ), 1988. http://hdl.handle.net/10150/204531.

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2

Alvenäs, Gunnel. "Evaporation, soil moisture and soil temperature of bare and cropped soils /." Uppsala : Swedish Univ. of Agricultural Sciences (Sveriges lantbruksuniv.), 1999. http://epsilon.slu.se/avh/1999/91-576-5714-9.pdf.

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3

Amajuoyi, Ifeanyichukwu Larry. "Spatial variability of some selected chemical soil properties in forest soils under shifting cultivation in southeast Nigeria." Thesis, University of Reading, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.270420.

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4

Heathman, E. S., J. P. Chernicky, B. Barstow, C. Farr, B. Tickes, and D. R. Howell. "Controlling Purple Nutsedge in Fallow Soil with EPTC and Butylate." College of Agriculture, University of Arizona (Tucson, AZ), 1988. http://hdl.handle.net/10150/204532.

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5

Ferreira, Mirele Paula da Silva. "Changes of attributes of soil submitted to the fallow on core desertification." Universidade Federal do CearÃ, 2015. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=16467.

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FundaÃÃo Cearense de Apoio ao Desenvolvimento Cientifico e TecnolÃgico<br>Soil degradation can occur because of inadequate management, which may result in soil unproductive and, in certain situations, lead to the desertification process. One of the causes of degradation is overgrazing, causing loss of biodiversity of plant strata by the pressure of ramoneio and soil compaction by excessive trampling of animals, bringing implications to the ground in the physical, chemical and biological properties, thereby undermining the sustainability of the agroecosystem. An alternative to recover soil degr
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6

Millar, Neville. "The effect of improved fallow residue quality on nitrous oxide emissions from tropical soils." Thesis, Imperial College London, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.268667.

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7

Adesina, Francis Adeyinka. "The function of Gliricidia sepium (Jacq.) in woody fallow enhancement in south western Nigeria." Thesis, University of Salford, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.385026.

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8

Macdonald, Andrew James. "The effects of cover crops soil N transformations and losses from arable land." Thesis, University of Reading, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326592.

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9

Gaze, Stephen Richard. "Water balance of farmer-managed millet and fallow-savannah on sandy soils in south west Niger." Thesis, University of Reading, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.320105.

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10

Derry, David. "Fallow length effects on biomass and soil phosphorus pools under frijol tapado in Costa Rica." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ56318.pdf.

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11

Ståhl, Lena. "Planted tree fallows and their influence on soil fertility and maize production in East Africa : nitrogen fixation and soil nitrogen dynamics /." Umeå : Dept. of Forest Ecology, Swedish University of Agricultural Sciences, 2005. http://epsilon.slu.se/2005109.pdf.

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12

Cattanio, José Henrique. "Soil N mineralization dynamics as affected by pure and mixed application of leafy material from leguminous trees used in planted fallow in Brazil." [S.l.] : [s.n.], 2002. http://deposit.ddb.de/cgi-bin/dokserv?idn=967137764.

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13

Kuykendall, Matti Beth. "Biomass production and changes in soil water with cover crop species and mixtures following no-till winter wheat." Thesis, Kansas State University, 2015. http://hdl.handle.net/2097/19080.

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Master of Science<br>Department of Agronomy<br>P. V. Vara Prasad,<br>Kraig L. Roozeboom<br>Replacing fallow with cover crops can provide many benefits, including improved soil quality and reduced nitrogen fertilizer requirements. The addition of cover crops into no-till systems has become popular in recent years as a means of increasing cropping system intensity and diversity. A primary concern of producers in the Great Plains is the possibility that cover crops may reduce the amount of soil water stored in the profile for the next grain crop, potentially reducing yields. Multi-species cover c
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14

Ando, Kaori. "Dynamics of Soil Organic Matter under Slash-and-Burn Agriculture in a Semiarid Woodland of Zambia." Kyoto University, 2014. http://hdl.handle.net/2433/189369.

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Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(農学)<br>甲第18476号<br>農博第2076号<br>新制||農||1025(附属図書館)<br>学位論文||H26||N4860(農学部図書室)<br>31354<br>京都大学大学院農学研究科地域環境科学専攻<br>(主査)教授 舟川 晋也, 教授 縄田 栄治, 教授 間藤 徹<br>学位規則第4条第1項該当
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15

Almeida, CÃcero Lima de. "Impacto da recuperaÃÃo de Ãrea degradada sobre as respostas hidrolÃgicas e sedimentolÃgicas em ambiente semiÃrido." Universidade Federal do CearÃ, 2011. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=6830.

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Conselho Nacional de Desenvolvimento CientÃfico e TecnolÃgico<br>As regiÃes semiÃridas compreendem Ãreas muito sensÃveis Ãs alteraÃÃes do seu ambiente natural. O semiÃrido brasileiro, por ser um dos mais populosos do mundo, està mais susceptÃvel Ãs atividades antrÃpicas, como o desmatamento para atividades agrosilvopastoris. Esta pesquisa foi desenvolvida no Ãmbito do projeto âEstudos dos processos de degradaÃÃo/desertificaÃÃo e suas relaÃÃes com o uso da terra em sistemas de produÃÃo no semiÃrido cearense: o caso da microrregiÃo de Sobral â CearÃâ. A Ãrea experimental localiza-se no municÃpio
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16

Manlay, Raphael. "Organic matter dynamics in mixed-farming systems of the West African savanna: a village case study from south Senegal." Diss., Institute of Forestry, Agricultural and Environmental Engineering (ENGREF), 2000. http://hdl.handle.net/10919/71623.

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Organic matter (OM) is a multi-purpose tool in West African smallholder mixed-farming systems, but its supply has been decreasing for several decades. To assess the viability of a mixed-farming system of south Senegal, carbon (C), nitrogen (N) and phosphorus (P; available in soil and noted POD) budgets (stocks and flows) were thus quantified.The village territory of the study showed a ring-like organisation with growing intensification of fertilization and cropping practices from the periphery (bush ring) to the compounds (compound fields).Stocks in plant and soil averaged 54.7 tC, 2.63 tN and
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17

Almeida, Cícero Lima de. "Impacto da recuperação de área degradada sobre as respostas hidrológicas e sedimentológicas em ambiente semiárido." reponame:Repositório Institucional da UFC, 2011. http://www.repositorio.ufc.br/handle/riufc/17772.

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ALMEIDA, Cícero Lima de. Impacto da recuperação de área degradada sobre as respostas hidrológicas e sedimentológicas em ambiente semiárido. 2011. 132 f. : Dissertação (mestrado) - Universidade Federal do Ceará, Departamento de Engenharia Agrícola, Programa de Pós-Graduação em Engenharia Agrícola, Fortaleza-CE, 2011.<br>Submitted by demia Maia (demiamlm@gmail.com) on 2016-06-17T13:36:15Z No. of bitstreams: 1 2011_dis_clalmeida.pdf: 3766101 bytes, checksum: 4476b1021ccb20f6b1f9c8caaabe3473 (MD5)<br>Approved for entry into archive by demia Maia (demiamlm@gmail.com) on 2016-06-17T13:39:51Z (GMT) N
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18

Heathman, Stanley, Barry Tickes, and Jon Chernicky. "Purple Nutsedge Control in Fallow Soils, Tommy Howell Farm." College of Agriculture, University of Arizona (Tucson, AZ), 1986. http://hdl.handle.net/10150/219727.

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19

Nageldinger, Guido. "Characterisation of Chernobyl fallout in Belarus soil." Thesis, Kingston University, 1998. http://eprints.kingston.ac.uk/20620/.

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Soil samples originating from the Chernobyl Exclusion Zone and Vetka region of Southern Belarus, which are contaminated by radioactive Chernobyl fallout were analysed using three analytical procedures which were developed for this work: 1. A Differential Autoradiographic Imaging (DAI) procedure which allows the non destructive isotopic classification of radioactive contamination in soil. This technique enabled differentiation of certain isotopes, including Cs-I37, Sr-90 and Am-241. Images were generated from one fallout contaminated sample in which areas were assigned to the dominant isotopes,
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20

Mutuo, Patrick Kiiti. "Potential of improved tropical legume fallows and zero tillage practices for soil organic carbon sequestration." Thesis, Imperial College London, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.407140.

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21

He, Qingping. "Interpretation of fallout radionuclide profiles in sediments from lake and floodplain environments." Thesis, University of Exeter, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.358000.

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22

Ndufa, James Kamiri. "Nitrogen and soil organic matter benefits to maize by fast-growing pure and mixed species legume fallows in western Kenya." Thesis, Imperial College London, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.248146.

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23

Gomez, Montano Lorena. "Do microbial communities in soils of the Bolivian Altiplano change under economic pressures for shorter fallow periods?" Thesis, Kansas State University, 2012. http://hdl.handle.net/2097/13726.

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Master of Science<br>Department of Plant Pathology<br>Karen A. Garrett<br>Ari Jumpponen<br>Traditional fallow periods in the Bolivian highlands are being shortened in an effort to increase short-term crop yields, with potential long-term impacts on soil communities. Using 454-pyrosequencing, we characterized fungal and bacterial community responses to (1) the length of fallow period and (2) the presence of the plants Parasthrephia sp. or Baccharis sp. (both locally known as ‘thola’). Thola is widely considered by farmers as beneficial to soil health, although it is also frequently harvested a
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24

Silva, Edson Cabral da. "Manejo da adubação nitrogenada e utilização do nitrogênio (15N) da uréia, do milheto e da crotalária pelo milho sob semeadura direta em solo de cerrado." Universidade de São Paulo, 2005. http://www.teses.usp.br/teses/disponiveis/64/64132/tde-24052006-171447/.

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O nitrogênio é o nutriente absorvido em maior quantidade pelo milho e o que mais influencia na produtividade de grãos, tendo sua dinâmica no sistema solo-planta condicionada pelo manejo. O trabalho foi desenvolvido na fazenda experimental da Faculdade de Engenharia de Ilha Solteira, UNESP, Selvíria-MS, em um Latossolo Vermelho distrófico, fase cerrado. Os objetivos do trabalho foram de avaliar a melhor dose e época de aplicação do N, na forma de uréia, no milho cultivado sob semeadura direta (SD) em sucessão à crotalária (CR) (Crotalaria juncea), milheto (MI) (Pennisetum americanum) ou solo em
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25

Bullock, Richard John. "Mobility, chemical form and bioavailability of Cd, Zn, Pb and Cu in woodland soils contaminated by aerial fallout." Thesis, University of Bristol, 1992. http://hdl.handle.net/1983/745d9114-d91c-4b21-9dfd-bb0195a59939.

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26

Arthur, Robson Clayton Jacques. "Análise da redistribuição do \"fallout\" do 137Cs na avaliação da erosão e deposição de sedimentos em sistemas de manejo de solo sob Cerrado." Universidade de São Paulo, 2010. http://www.teses.usp.br/teses/disponiveis/64/64134/tde-06052010-151125/.

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No Brasil, a expansão das áreas agrícolas é o fator mais impactante da agricultura sobre os recursos naturais. Com a crescente ocupação do Cerrado pela agricultura, uma série de problemas ambientais decorrentes do desmatamento como a erosão e a compactação do solo estão surgindo causando transformações radicais na paisagem natural pela retirada de quase toda sua vegetação nativa. O sistema de plantio convencional (SPC) tem sido considerado uma forma de manejo inadequado pelas suas conseqüências freqüentemente irremediáveis de compactação e perdas de solo, ao passo que o sistema de plantio dire
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27

Abanda, Peter Azah. "Impact on soil chemistry of atmospheric sulfur fallout near Arnot coal-fired power station, in the Eastern Transvaal highveld region, South Africa." Master's thesis, University of Cape Town, 2000. http://hdl.handle.net/11427/4184.

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Includes bibliographical references.<br>The objective of the study was to evaluate the potential impact of atmospheric sulfur deposition on the soils surrounding Arnot power station. In particular, the study focused on the relationship between sulfur and organic carbon (OC) and on the various pools of sulfur in the soil. A representative selection of collected soil samples was characterized both physically and chemically in the laboratory. In addition to the representative soils sampled in 2000, archived soils sampled in 1996 and 1999 from the same area were included in some of the chemical an
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28

Marquard, Julia. "Assessing the anthropogenic impact on soil redistribution processes using radionuclides (10Be, 210Pb, 137Cs and 7Be) : a case study from the Christina River Basin, USA." Thesis, University of Exeter, 2015. http://hdl.handle.net/10871/17498.

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Anthropogenic driven soil erosion has increased drastically within the last few centuries. Accelerated removal of topsoil degrades soil characteristics, decreasing the agricultural capacity to sustain food production for future human generations. In order to reduce sediment erosion to a minimum, soil movement dynamics have to be understood over relevant timescales. Emphasis is required on human land use, which has changed over time, altering erosion and deposition processes in the landscape. This thesis aims to understand the development of erosion with time and studies the effects of the anth
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29

He, Feng Zhao Dongye. "Preparation, characterization, and applications of polysaccharide-stabilized metal nanoparticles for remediation of chlorinated solvents in soils and groundwater." Auburn, Ala., 2007. http://repo.lib.auburn.edu/EtdRoot/2007/FALL/Civil_Engineering/Dissertation/He_Feng_9.pdf.

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30

Nuruzzaman, Mohammad. "Phosphorus benefits of white lupin, field pea and faba bean to wheat production in Western Australian soils." University of Western Australia. School of Plant Biology, 2005. http://theses.library.uwa.edu.au/adt-WU2005.0094.

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[Truncated abstract] Soils of Western Australian cropping regions are very low in phosphorous. White lupin, chickpea, and faba bean are being increasingly used in rotations with wheat on these soils. Yield of wheat after a legume crop is frequently higher than its yield after wheat. It has been reported that in addition to nitrogen, legumes can also contribute to improve the availability of phosphorous for the subsequent crops. This PhD research project aimed at optimising the economic returns of wheat-legume rotations through more efficient use of P fertiliser in the legume phase as wel
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31

Barnes, Graham Edward. "The plastic limit and workability of soils." Thesis, University of Manchester, 2013. https://www.research.manchester.ac.uk/portal/en/theses/the-plastic-limit-and-workability-of-soils(28a2491e-6178-4993-aa10-4b68cf892570).html.

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Previous thread rolling methods for the plastic limit are shown to be inadequate and inaccurate. Alternative methods for the plastic limit are shown to be imprecise and unreliable. The strength-based concept and use of the fall-cone test to determine the plastic limit are shown to be flawed. An apparatus that replicates Atterberg’s rolling technique, devised and developed by the author, is described, referred to as the Barnes Apparatus. A thread of soil is rolled between two plates configured to permit extrusion and reduction of diameter with much less operator interference than with the stand
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32

Bamber, Kevin William. "Nitrogen Cycling from Fall Applications of Biosolids to Winter Small Grains." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/71870.

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Environmental concerns about winter nitrogen (N) leaching loss limit the amount of biosolids applied to winter small grains in Virginia. Ten field studies were established 2012-2014 in Virginia to determine the agronomic and environmental feasibility of fall biosolids applications to soft red winter wheat (Triticum aestivum L.). Eight studies were located in the Coastal Plain physiographic province and two in the Ridge and Valley physiographic province. The effects of eight biosolids and urea N treatments on 1) biomass production at Zadoks growth stage (GS) 25-30, 2) soil inorganic N at GS 25-
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33

Serra, Renan. "Développement et caractérisation d'un système de sol piézoélectrique intelligent : application à la détection des chutes." Thesis, Strasbourg, 2017. http://www.theses.fr/2017STRAD018.

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Cette thèse s’inscrit dans le domaine de la conception et de la réalisation de systèmes intelligents, associés à une technologie de capteurs sol. Elle vise à concevoir un outil automatisé et intelligent destiné à détecter principalement les chutes de personnes âgées en milieu hospitalier, afin de fournir une information supplémentaire au personnel soignant. Premièrement, les différentes technologies de capteurs appliquées aux revêtements de sol ont été étudiées. Parmi les technologies recensées, les capteurs piézoélectriques planaires en polymères ont été retenus pour l’élaboration du système
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34

Noel, Myriam. "La perception de soi au cours du vieillissement : approche normale et pathologique à travers l'étude de la chute." Phd thesis, Université du Droit et de la Santé - Lille II, 2012. http://tel.archives-ouvertes.fr/tel-00754972.

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Le vieillissement amoindri de façon régulière les capacités physiques, sensorielles et parfois cognitives des individus. Le vieillissement du corps transforme également l'image offerte à autrui et à soi-même. La perception que la personne âgée a alors d'elle-même est une question qui n'est pas sans conséquence. La perception réaliste de ses capacités physiques semble nécessaire dans la réalisation d'actes moteurs alors que la perception optimiste de soi et de l'environnement semble nécessaire au maintien du moral. Notre objectif est d'étudier de façon relativement globale la perception de soi
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35

Schenck, Charles. "Pollution saline de l'eau souterraine et de l'air liee aux activites economiques en haute alsace : incidences agronomiques." Université Louis Pasteur (Strasbourg) (1971-2008), 1987. http://www.theses.fr/1987STR13220.

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De par ses caracteristiques physiques, la vallee de l'ill en haute alsace est particulierement sensible a la pollution. Dans cette region a vocation industrielle et agricole la contazmination du milieu se traduit par une forte mineralisation de l'eau souterraine et des retombees atmospheriques solubles, diluees mais acides. La composition naturelle: bicarbonatee calcique de l'eau de la nappe phreatique est modifiee par une charge chloro-sodique et nitrique non negligeable. Quant aux retombees, elles provoquent au sol, des apports d'elements mineraux parmis lesquels predominent les chlorures, l
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36

Lemos, Cristiane Camargo Zani de. "Aprimoramentos, teste e uso do modelo 3-PG em plantios clonais de Eucalyptus no nordeste do estado de São Paulo." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/11/11150/tde-17042012-104621/.

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O 3-PG (Physiological Principles in Predicting Growth) é o modelo ecofisiológico mais difundido no setor florestal para a predição de crescimento de florestas. Este modelo estima o crescimento florestal com base na radiação fotossinteticamente ativa absorvida pelo dossel, convertida em carboidratos, e alocada nos compartimentos da floresta (folhas, tronco, galhos e raízes), fundamentados na dinâmica dos processos biológicos e suas interações com o clima e solo. No entanto, após quase 15 anos de existência do 3-PG unido a evolução em pesquisa florestal, é possível detectar alguns pontos no mode
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37

Bertuol, Fábio. "Caracterização geotécnica da sensibilidade de um depósito sedimentar do Rio Grande do Sul com o uso de ensaios de laboratório." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2009. http://hdl.handle.net/10183/17565.

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Um dos maiores problemas na utilização de ensaios geotécnicos de laboratório está na obtenção de amostras indeformadas. Os solos moles estão entre os mais difíceis de amostrar e há um grande trabalho de pesquisa no desenvolvimento de técnicas de amostragem. A fim de obter amostras de alta qualidade para o estudo do comportamento do material do depósito, foi desenvolvido nesta pesquisa uma modificação do Equipamento de Amostragem Japonês e foram adaptadas algumas das técnicas utilizadas para amostragem indeformada. O processo usual de extrusão de solo de dentro do tubo amostrador foi substituíd
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Alkhatib, Rami. "Human locomotion analysis, classification and modeling of normal and pathological vertical ground reaction force signals in elderly." Thesis, Lyon, 2016. http://www.theses.fr/2016LYSES029/document.

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La marche est définie par des séquences de gestes cycliques et répétées. Il a été déjà montré que la vitesse et la variabilité de ces séquences peuvent révéler des aptitudes ou des défaillances motrices. L’originalité de ce travail est alors d’analyser et de caractériser les foulées de sujets âgés à partir des signaux de pression issus de semelles instrumentées lors de la marche, au moyen d’outils de traitement du signal. Une étude préliminaire, sur les signaux de pression générés lors de la marche, nous a permis de mettre en évidence le caractère cyclo-stationnaire de ces signaux. Ces paramèt
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39

Sellier, Virginie. "Développement de méthodes de traçage sédimentaire pour quantifier l'impact des mines de nickel sur l’hyper-sédimentation des rivières et l'envasement des lagons de Nouvelle-Calédonie Investigating the use of fallout and geogenic radionuclides as potential tracing properties to quantify the sources of suspended sediment in a mining catchment in New Caledonia, South Pacific Combining visible-based-colour parameters and geochemical tracers to improve sediment source discrimination in a mining catchment (New Caledonia, South Pacific Islands) Reconstructing the impact of nickel mining activities on sediment supply to the rivers and the lagoon of South Pacific Islands: lessons learnt from the Thio early mining site (New Caledonia)." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPASV013.

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La Nouvelle-Calédonie, île située au Sud-Ouest de l’Océan Pacifique et actuel 6e producteur mondial de nickel, est confrontée à une pollution sédimentaire sans précédent de ses cours d’eau. En effet, l’exploitation minière débutée dès les années 1880 a fortement amplifié les processus d’érosion des sols et de transport sédimentaire. Une hyper-sédimentation des hydro-systèmes calédoniens a notamment été constatée suite au déploiement de l’activité minière sur l’archipel. Bien que ce phénomène constitue un facteur aggravant les problèmes d’inondation caractéristiques de ces régions tropicales, l
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Procópio, Denise. "Medéia - Análise de um caso a luz da teoria do amadurecimento humano de winnicott." Pontifícia Universidade Católica de São Paulo, 2006. https://tede2.pucsp.br/handle/handle/15538.

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Made available in DSpace on 2016-04-28T20:39:22Z (GMT). No. of bitstreams: 1 PCL - Denise Procopio.pdf: 645504 bytes, checksum: b475715ddd6d1dffee1043b018b70346 (MD5) Previous issue date: 2006-10-11<br>Woman who took revenge of the husband by killing her own children. The feature of the character envisaged here is the overmuch dependence that this woman cherishes towards man. In the second place, the analysis of a clinical case of a 40- years old woman who called herself a Medea of life when she looked for therapy. Finally, Winnicott`s Theory of Human Maturation as a theoretic approa
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Hsu, Min-Chai, and 徐明才. "Influence of Fallow Dealing on Soil Physicochemical Characteristics." Thesis, 2004. http://ndltd.ncl.edu.tw/handle/84082443644402998441.

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碩士<br>大仁科技大學<br>環境管理研究所<br>92<br>Abstract Sustainable development of water and soil resource is the main point of Taiwan’s agricultural strategy in future. After joined to WTO, There is a great impact to the crops. Taiwan’s crops lost their competitiveness not only in cost-effective, economic and benefit pressures but also less of water and policy issue to force them fallow or switch to another trade. Under the international trend of biodiversity, paddy rice field has already been requested not only procreation but also ecological and livelihood function within. For keep the base functions
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42

Schillinger, William F. "Fallow water retention and wheat growth as affected by tillage method and surface soil compaction." Thesis, 1992. http://hdl.handle.net/1957/36389.

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No-tillage winter wheat (Triticum aestivum L.) grown in a wheat-fallow cropping system has consistently produced lower grain yields than conventionally tilled soils in the semiarid Pacific Northwest. A 2-year study was conducted in a long-term tillage trial at Moro, OR to determine factors responsible for differences in wheat growth and yield as affected by moldboard plow, stubble mulch, and no-tillage fallow method. Soil water, soil mineral N, plant N uptake, soil temperature, above-ground dry matter accumulation, and yield components were measured. The highest fallow efficiency during both y
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Cattanio, José Henrique. "Soil N mineralization dynamics as affected by pure and mixed application of leafy material from leguminous trees used in planted fallow in Brazil." Doctoral thesis, 2002. http://hdl.handle.net/11858/00-1735-0000-0006-AEB0-7.

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Cattanio, José Henrique [Verfasser]. "Soil N mineralization dynamics as affected by pure and mixed application of leafy material from leguminous trees used in planted fallow in Brazil / by José Henrique Cattanio." 2002. http://d-nb.info/967137764/34.

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45

Al-ismaily, Said S. "Genesis of silica-enriched agricultural pans in soils managed under wheat-fallow cropping systems." Thesis, 1997. http://hdl.handle.net/1957/33736.

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Chiu, Yu-Jia, and 邱昱嘉. "Estimation of Soil Redistribution Rates Using 137Cs Fallout Radionuclide." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/62764846586148481213.

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博士<br>國立臺灣大學<br>土木工程學研究所<br>96<br>Sedimentation from soil erosion is a critical reservoir watershed management issue. The formulation of watershed management strategies to protect water resources threatened by soil erosion and sedimentation requires a thorough understanding of sediment sources and factors that drive soil movement in the watershed. Due to limited data sources, informed decisions are not always easy to make. An effective alternative to estimating soil erosion is to analyze the spatial variation of 137Cs inventory in the soil. In the Baishi watershed, the net soil loss estimate f
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Chiu, Yu-Jia. "Estimation of Soil Redistribution Rates Using 137Cs Fallout Radionuclide." 2007. http://www.cetd.com.tw/ec/thesisdetail.aspx?etdun=U0001-2207200823383400.

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48

Phadu, Moedisha Lorraine. "Bioavailability and bioremediation of heavy metals and nutrients in cultivated and fallowed soils following irrigation with treated wastewater." Thesis, 2019. http://hdl.handle.net/10386/2886.

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Thesis (MSc. Agriculture (Soil Science)) -- University of Limpopo, 2019<br>Global shortage of fresh quality water has led to the use of treated wastewater in arid and semi-arid regions. Although, the treated wastewater has proven to be the best solution in ameliorating pressures brought by water shortage, it contains toxic heavy metals, some in high concentrations that could possibly pose health risks and degrade soil quality. Therefore, the objectives of the study were to determine the vertical and horizontal distribution of bioavailable heavy metals on virgin, cultivated and fall
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Wallbrink, Peter John. "Use of fallout radionuclides in studies of erosion and sedimentation." Phd thesis, 1996. http://hdl.handle.net/1885/144444.

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Kimaro, Anthony. "Sequential Agroforestry systems for Improving Fuelwood Ssupply and Crop Yield in Semi-arid Tanzania." Thesis, 2009. http://hdl.handle.net/1807/19283.

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Promotion of agroforestry practices in sub-Sahara Africa may help sustain subsistent food and wood production by integrating trees and crops on farmlands to replenish soil fertility and improve crop yield. Using rotational woodlot and pigeonpea intercropping systems in semi-arid Tanzania as case studies, my research screened suitable tree species to increase fuelwood supply and examined mechanisms for reducing tree-crop competition. By adopting nutrient use efficiency (the ratio of biomass yield to nutrient uptake) as a criterion, I found that selecting tree species of low wood nutrient conc
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