Siga este enlace para ver otros tipos de publicaciones sobre el tema: Plant-soil relationships.

Tesis sobre el tema "Plant-soil relationships"

Crea una cita precisa en los estilos APA, MLA, Chicago, Harvard y otros

Elija tipo de fuente:

Consulte los 50 mejores tesis para su investigación sobre el tema "Plant-soil relationships".

Junto a cada fuente en la lista de referencias hay un botón "Agregar a la bibliografía". Pulsa este botón, y generaremos automáticamente la referencia bibliográfica para la obra elegida en el estilo de cita que necesites: APA, MLA, Harvard, Vancouver, Chicago, etc.

También puede descargar el texto completo de la publicación académica en formato pdf y leer en línea su resumen siempre que esté disponible en los metadatos.

Explore tesis sobre una amplia variedad de disciplinas y organice su bibliografía correctamente.

1

Lam, Kin-san. "Plant establishment in compost/PFA amended soil /." Hong Kong : University of Hong Kong, 1994. http://sunzi.lib.hku.hk/hkuto/record.jsp?B17095268.

Texto completo
Los estilos APA, Harvard, Vancouver, ISO, etc.
2

Wong, Siu-wai. "Plant selection for revegetation projects in Hong Kong." Click to view the E-thesis via HKUTO, 1992. http://sunzi.lib.hku.hk/hkuto/record/B43893442.

Texto completo
Los estilos APA, Harvard, Vancouver, ISO, etc.
3

Newmann, Sarah McCarthy. "Plant-soil feedbacks in temperate and tropical forests." Diss., Connect to online resource - MSU authorized users, 2008.

Buscar texto completo
Resumen
Thesis (Ph.D.)--Michigan State University. Dept. of Forestry Program in Ecology, Evolutionary Biology and Behavior, 2008.<br>Title from PDF t.p. (viewed on July 13, 2009) Includes bibliographical references (p. 170-184). Also issued in print.
Los estilos APA, Harvard, Vancouver, ISO, etc.
4

Chanway, Christopher Peter. "Plant/bacteria coadaptation in a grass/legume pasture." Thesis, University of British Columbia, 1987. http://hdl.handle.net/2429/26972.

Texto completo
Resumen
The relationship between plants and rhizosphere bacteria collected from a 45 year old permanent pasture was investigated. Several methods of strain identification within Rhizobium trifolii were evaluated. Separation of bacterial isolates based on differences in intrinsic antibiotic resistance was not appropriate because strains developed hybrid resistance patterns when grown in a common broth. Serological analyses of bacterial antigens using polyclonal antiserum yielded two reliable methods for identifying R. trifolii isolates. Agglutination and immunofluorescence procedures were not useful i
Los estilos APA, Harvard, Vancouver, ISO, etc.
5

Buratti, James Paul. "Some soil-plant relationships of the halophyte, Salicornia europaea L." The Ohio State University, 1996. http://rave.ohiolink.edu/etdc/view?acc_num=osu1399561518.

Texto completo
Los estilos APA, Harvard, Vancouver, ISO, etc.
6

Babcock, Esther. "Soil Testing and Plant Analysis Relationships for Irrigated Chile Production." Thesis, The University of Arizona, 2010. http://hdl.handle.net/10150/193428.

Texto completo
Resumen
In a field study of irrigated chile (Capsicum annum L.) production in southeastern Arizona and southwestern New Mexico from 2008 through 2009, soil and tissue test samples were analyzed for a full spectrum of nutrients at 16 different sites, including nitrogen (N) phosphorus (P), potassium (K), zinc (Zn), iron (Fe), and boron (B), with the objective of evaluating soil and tissue nutrient testing procedures and establishing basic testing guidelines and recommendations with respect to yield potentials. Results for soil and tissue analysis were correlated to yield results. The results provide est
Los estilos APA, Harvard, Vancouver, ISO, etc.
7

Jiang, Pingping. "Variability of soil hydraulic properties and estimation of plant-available water on claypan-soil landscapes." Diss., Columbia, Mo. : University of Missouri-Columbia, 2007. http://hdl.handle.net/10355/4783.

Texto completo
Resumen
Thesis (Ph. D.)--University of Missouri-Columbia, 2007.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on September 25, 2007) Vita. Includes bibliographical references.
Los estilos APA, Harvard, Vancouver, ISO, etc.
8

Stoll, Manfred. "Effects of partial rootzone drying on grapevine physiology and fruit quality." Title page, contents and summary only, 2000. http://hdl.handle.net/2440/37734.

Texto completo
Resumen
Growth, productivity and fruit quality of grapevines are closely linked to soil water availability. Withholding of water for any length of time results in slowed growth. If drought continues yield may be lost. Vines can be manipulated to stimulate early defence mechanisms by decreasing soil water availability. By using an irrigation technique, which allows for separate zones with different soil moisture status, it is possible to stimulate response mechanisms of the root system which are normally related to water stress. The difficulty of separating 'wet' and 'dry' zones was initially overcome
Los estilos APA, Harvard, Vancouver, ISO, etc.
9

Hanegreefs, Paul R. "Modeling of bending stresses generated in soil crusts by emerging seedlings." The Ohio State University, 1985. http://rave.ohiolink.edu/etdc/view?acc_num=osu1284994148.

Texto completo
Los estilos APA, Harvard, Vancouver, ISO, etc.
10

Scanlan, Craig Anthony. "Processes and effects of root-induced changes to soil hydraulic properties." University of Western Australia. School of Earth and Environment, 2009. http://theses.library.uwa.edu.au/adt-WU2009.0188.

Texto completo
Resumen
[Truncated abstract] Root-induced changes to soil hydraulic properties (SHP) are an essential component in understanding the hydrology of an ecosystem, and the resilience of these to climate change. However, at present our capacity to predict how roots will modify SHP and the consequences of this is limited because our knowledge of the processes and effects are highly fragmented. Also, current models used to investigate the relationship between plants and root-induced changes to SHP are based on empirical relationships which have limited applicability to the various and often contrasting ecosy
Los estilos APA, Harvard, Vancouver, ISO, etc.
11

Siefert, William A. "Effectiveness of a soil inoculant for improving crop yield on two Indiana soils." Virtual Press, 1992. http://liblink.bsu.edu/uhtbin/catkey/845948.

Texto completo
Resumen
Biological soil inoculants are products that contain beneficial microorganisms with the ability to increase plant-available nutrients. Soil inoculants are claimed to serve as a supplement for fertilizer N, improve germination and tilth, improve root systems, and increase crop quality and yield. The inoculant evaluated in this study was Effective Microorganisms (EM) produced by Nature Farm Foundation of Lompoc, California. A field trial with corn (Zea mays, L.) was conducted at Oakwood Organic Farm in East Central Indiana in 1992. Two soil types were used in the study, a Genesee silt loam (Fluv
Los estilos APA, Harvard, Vancouver, ISO, etc.
12

Montagu, Kelvin D. "Whole plant response to soil compaction : from field practices to mechanisms /." View thesis View thesis, 1995. http://library.uws.edu.au/adt-NUWS/public/adt-NUWS20030522.092251/index.html.

Texto completo
Los estilos APA, Harvard, Vancouver, ISO, etc.
13

Liang, Jiansheng. "Xylem-carried abscisic acid (ABA) in plant responses to soil-drying." HKBU Institutional Repository, 1997. http://repository.hkbu.edu.hk/etd_ra/167.

Texto completo
Los estilos APA, Harvard, Vancouver, ISO, etc.
14

Wong, Siu-wai, and 黃兆偉. "Plant selection for revegetation projects in Hong Kong." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1992. http://hub.hku.hk/bib/B43893442.

Texto completo
Los estilos APA, Harvard, Vancouver, ISO, etc.
15

Coyle, Kieran. "An investigation of the role of soil micro-organisms in phosphorus mobilisation : a report submitted to fulfil the requrements of the degree of Doctor of Philosophy." Title page, table of contents and abstract only, 2001. http://web4.library.adelaide.edu.au/theses/09PH/09phc8814.pdf.

Texto completo
Los estilos APA, Harvard, Vancouver, ISO, etc.
16

Fatahi, Behzad. "Modelling of influence of matric suction induced by native vegetation on sub-soil improvement." Access electronically, 2007. http://www.library.uow.edu.au/adt-NWU/public/adt-NWU20080606.123036/index.html.

Texto completo
Los estilos APA, Harvard, Vancouver, ISO, etc.
17

Kering, Maru K. Blevins Dale G. "Manganese nutrition and photosynthesis in NAD-malic enzyme C-4 plants." Diss., Columbia, Mo. : University of Missouri--Columbia, 2008. http://hdl.handle.net/10355/7201.

Texto completo
Resumen
Title from PDF of title page (University of Missouri--Columbia, viewed on February 24, 2010). 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. Dissertation advisor: Dr. Dale Blevins. Vita. Includes bibliographical references.
Los estilos APA, Harvard, Vancouver, ISO, etc.
18

Setyawan, Dwi. "Soil development, plant colonization and landscape function analysis for disturbed lands under natural and assisted rehabilitation /." Connect to this title, 2004. http://theses.library.uwa.edu.au/adt-WU2005.0117.

Texto completo
Los estilos APA, Harvard, Vancouver, ISO, etc.
19

Solomon-Wisdom, Grace Oyiza. "The effect of in situ spatial heterogeneity of lead in soil on plant uptake." Thesis, University of Sussex, 2015. http://sro.sussex.ac.uk/id/eprint/54284/.

Texto completo
Resumen
The understanding of the spatial distribution of lead (Pb) in soil is important in the assessment of potential risks and development of remediation strategies for Pb contaminated land. In situ heterogeneity of Pb was measured at two heavily contaminated sites in the United Kingdom using the Portable X-ray Fluorescence Spectrometer (P-XRF) over a range of spatial scales (0.02 to 50 m). The pattern of the distribution of Pb was very variable, and when expressed as heterogeneity factor (HF), it ranged from 1.2 to 3.2 (highly heterogeneous). The effect of such Pb heterogeneity on plant uptake was
Los estilos APA, Harvard, Vancouver, ISO, etc.
20

Wick, Abbey Foster. "Soil aggregate and organic matter dynamics in reclaimed mineland soils." Laramie, Wyo. : University of Wyoming, 2007. http://proquest.umi.com/pqdweb?did=1400961671&sid=1&Fmt=2&clientId=18949&RQT=309&VName=PQD.

Texto completo
Los estilos APA, Harvard, Vancouver, ISO, etc.
21

Hager, Joshua W. "In-field variation for corn emergence and development /." free to MU campus, to others for purchase, 2004. http://wwwlib.umi.com/cr/mo/fullcit?p1421140.

Texto completo
Los estilos APA, Harvard, Vancouver, ISO, etc.
22

Laxton, Emma. "Relationship between leaf traits, insect communities and resource availability." Thesis, Electronic version, 2005. http://hdl.handle.net/1959.14/483.

Texto completo
Resumen
Thesis (PhD)--Macquarie University, Division of Environmental and Life Sciences, Dept. of Biological Sciences, 2005.<br>Bibliography: p. 178-203.<br>Introduction -- Study sites -- Leaf characteristics and resource availability -- Insect herbivory and resource availability -- Insect communities and resource availability -- Influence of resource availability on recovery from herbivory -- Conclusions.<br>This project used the resource availability hypothesis (Coley et al., 1985) as a framework for investigating the relationship between resource availability (as defined by soil nutrients), leaf tr
Los estilos APA, Harvard, Vancouver, ISO, etc.
23

Materechera, Simeon Albert. "The influence of soil organic matter on changes in leaf water potential of barley (Hordeum vulgare L.) during repeated cycles of moisture stress /." Thesis, McGill University, 1985. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=63288.

Texto completo
Los estilos APA, Harvard, Vancouver, ISO, etc.
24

Thomas, Jacqueline Yvette. "Quantification of in situ heterogeneity of contaminants in soil : a fundamental prerequisite to understanding factors controlling plant uptake." Thesis, University of Sussex, 2011. http://sro.sussex.ac.uk/id/eprint/6961/.

Texto completo
Resumen
Heterogeneity of contaminants in soils can vary spatially over a range of scales, causing uncertainty in environmental measurements of contaminant concentrations. Sampling designs may aim to reduce the impact of on-site heterogeneity, by using composite sampling, increased sample mass and off-site homogenisation, yet they could overlook the small scale heterogeneity that can have significant implications for plant uptake of contaminants. Moreover, composite sampling and homogenisation may not be relevant to target receptor behaviour, e.g. plants, and studies, using simplistic models of heterog
Los estilos APA, Harvard, Vancouver, ISO, etc.
25

Paynter, Ruth Margaret. "Studies of the soil-plant relationships of copper, molybdenum and sulphur in hill pastures." Thesis, University of Edinburgh, 1985. http://hdl.handle.net/1842/27177.

Texto completo
Los estilos APA, Harvard, Vancouver, ISO, etc.
26

Hall, David Shane. "Soil-plant root relationships of herbaceous biomass crops grown on the Piedmont of Virginia." Thesis, This resource online, 1991. http://scholar.lib.vt.edu/theses/available/etd-08182009-040419/.

Texto completo
Los estilos APA, Harvard, Vancouver, ISO, etc.
27

Dolling, P. J. "Lucerne (Medicago sativa) productivity and its effect on the water balance in southern Western Australia /." Connect to this title, 2006. http://theses.library.uwa.edu.au/adt-WU2006.0108.

Texto completo
Los estilos APA, Harvard, Vancouver, ISO, etc.
28

Hammer, Erin L. "Effects of garlic mustard (Alliaria petiolata) on soil nutrient dynamics and microbial community function and structure." Connect to full text in OhioLINK ETD Center, 2009. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=toledo1241126072.

Texto completo
Resumen
Thesis (M.S.)--University of Toledo, 2009.<br>Typescript. "Submitted as partial fulfillment of the requirements for The Master of Science Degree in Biology (Ecology-track)." "A thesis entitled"--at head of title. Bibliography: leaves 44-55.
Los estilos APA, Harvard, Vancouver, ISO, etc.
29

Mwafulirwa, Lumbani. "The potential for root trait selection to enhance soil carbon storage and sustainable nutrient supply." Thesis, University of Aberdeen, 2017. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=231426.

Texto completo
Resumen
Plant roots are central to C- and N-cycling in soil. However, (i) plants differ strongly in tissue recalcitrance (e.g. lignin content) affecting their mineralization in soil, and (ii) rhizodeposits also vary strongly in terms of the metabolites that they contain. Therefore, (i) we used 13C labelled ryegrass root and shoot residues as substrates to investigate the impact of tissue recalcitrance on soil processes through controlled incubation of soil, (ii) we assessed variations in root C-deposition between barley genotypes and their respective impacts on soil processes using 13CO2 labelled plan
Los estilos APA, Harvard, Vancouver, ISO, etc.
30

Viketoft, Maria. "Soil nematode communities in grasslands : effects of plant species identity and diversity /." Uppsala : Dept. of Ecology, Swedish University of Agricultural Sciences, 2007. http://epsilon.slu.se/200748.pdf.

Texto completo
Los estilos APA, Harvard, Vancouver, ISO, etc.
31

Miftahudin. "High resolution map of the aluminum tolerance gene (Alt3) region in rye (Secale cereale L.) /." free to MU campus, to others for purchase, 2002. http://wwwlib.umi.com/cr/mo/fullcit?p3074428.

Texto completo
Los estilos APA, Harvard, Vancouver, ISO, etc.
32

Dehlin, Helena. "Ecosystem functioning and plant-soil interactions in forests : influences of quality and diversity of resources /." Umeå : Dept. of Forest Vegetation Ecology, Swedish University of Agricultural Sciences, 2006. http://epsilon.slu.se/200679.pdf.

Texto completo
Los estilos APA, Harvard, Vancouver, ISO, etc.
33

Montagu, Kelvin D. "Whole plant response to soil compaction : from field practices to mechanisms." Thesis, View thesis View thesis, 1995. http://handle.uws.edu.au:8081/1959.7/433.

Texto completo
Resumen
This thesis examines the growth response and inter-relationships between shoots and roots of plants grown in compact soil. In the field, two topsoil and two subsoil conditions were created with five vegetable crops sequentially grown. Between 6 and 12% of the root system grew in the compact subsoil, which had a soil strength of 3.1 c.f. 1.9 MPa in the loosened subsoil. Both the root length density (Lv) and the specific root length were lower in the compact subsoil (80% and 30%, respectively). This had no effect on shoot growth when water and nutrients were well supplied. Compensatory root grow
Los estilos APA, Harvard, Vancouver, ISO, etc.
34

Lee, Robert N. "Plant community relationships to soil properties and topography in a southern interior BC grassland : a refinement." Thesis, University of British Columbia, 2011. http://hdl.handle.net/2429/39437.

Texto completo
Resumen
The grasslands of British Columbia, Canada are an asset to the province’s biodiversity, economy, natural beauty, and recreation. Since the late 1800s, these areas have been largely modified and reduced, and they are currently threatened by climate change and exotic plant invasions. The ability of land managers to adapt to the effects of climate change and plant invasion depends on having the best possible understanding of these systems; however, little quantitative information is available on the strength of relationships between topography, soil properties, and plant community composition. I
Los estilos APA, Harvard, Vancouver, ISO, etc.
35

Vermeulen, Tarina. "Plant water relations of Elytropappus Rhinocerotis with specific reference to soil restrictions on growth." Thesis, Stellenbosch : University of Stellenbosch, 2010. http://hdl.handle.net/10019.1/5416.

Texto completo
Resumen
Thesis (MScAgric (Soil Science))--University of Stellenbosch, 2010.<br>ENGLISH ABSTRACT: The Renosterveld of the Western Cape region is often seen as a natural occurring veld type that will very easily re-establish itself wherever land is left unattended. In this study it was firstly noted that where wheatlands of the Berg River catchment (BRC) is left bare for a number of years, the renosterbos as a pioneer is slow in its re-growth response and when it does, certain patches in the landscape are preferred. This study therefore firstly focussed on the soil restrictions that widely determined th
Los estilos APA, Harvard, Vancouver, ISO, etc.
36

Habermann, Birgit. "Ways of knowing of farmers and scientists : tree and soil management in the Ethiopian Highlands." Thesis, University of Sussex, 2014. http://sro.sussex.ac.uk/id/eprint/49648/.

Texto completo
Resumen
The Ethiopian Highlands have been studied extensively, hosting a large amount of research for development projects in agriculture and forestry over several decades. The encounters in these projects were also encounters of different ways of knowing that were negotiated by the actors meeting in the space provided by the projects. This research explores these encounters and the social worlds they are embedded in, drawing on actor-oriented approaches as well as theories of narratives and framing. Ways of knowing and citizen epistemologies are taken as a lens to understand the role of identities in
Los estilos APA, Harvard, Vancouver, ISO, etc.
37

Piotrowski, Jeffrey Scott. "Succession of arbuscular mycorrhizal fungi causes, consequences, and considerations /." CONNECT TO THIS TITLE ONLINE, 2007. http://etd.lib.umt.edu/theses/available/etd-05272008-134138/.

Texto completo
Los estilos APA, Harvard, Vancouver, ISO, etc.
38

Uselman, Shauna M. "Production and fate of soluble organic carbon, nitrogen, and phosphorus during forest ecosystem development root versus leaf litter /." abstract and full text PDF (free order & download UNR users only), 2006. http://0-gateway.proquest.com.innopac.library.unr.edu/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:3222985.

Texto completo
Los estilos APA, Harvard, Vancouver, ISO, etc.
39

Logsdon, Sally D. "Corn root growth and distribution as influenced by soil physical properties." Diss., Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/52304.

Texto completo
Resumen
Mechanisms of root growth under variable field conditions were investigated by observing corn ( Zea mays L.) root growth and distribution in the field and by observing the influence of soil physical stresses on corn seedling root growth in controlled environments. The field soil was Groseclose silt loam (clayey, mixed, mesic Typic Hapludult). Groseclose A horizon material was used for the growth chamber experiments where corn was grown in a range of aggregate sizes, bulk densities, low and high soil moisture levels, and temperatures. Rooting patterns in the field were altered by drought. Root
Los estilos APA, Harvard, Vancouver, ISO, etc.
40

Lan, Chinchun. "Analysis of soil-root interaction." Connect to resource, 1985. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1119365654.

Texto completo
Los estilos APA, Harvard, Vancouver, ISO, etc.
41

Nobbs, J. M. "The distribution and abundance of nematodes (especially the plant parasites) in the arid region of South Australia /." Title page, contents and summary only, 1987. http://web4.library.adelaide.edu.au/theses/09PH/09phn744.pdf.

Texto completo
Los estilos APA, Harvard, Vancouver, ISO, etc.
42

Pisarczyk, Elizabeth W. "The effect of garlic mustard (Alliaria petiolata) density on soil nutrient availability and microbial enzyme activity in Northwest Ohio : a gradient analysis /." Connect to full text in OhioLINK ETD Center, 2009. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=toledo1260236506.

Texto completo
Resumen
Thesis (M.S.)--University of Toledo, 2009.<br>Typescript. "Submitted as partial fulfillment of the requirements for The Master of Science Degree in Biology (Ecology-track)." "A thesis entitled"--at head of title. Bibliography: leaves 28-32.
Los estilos APA, Harvard, Vancouver, ISO, etc.
43

Bhojvaid, Padam Parkash. "Dynamics of soil-plant relationships after afforestation of sodic soils with Prosopis juliflora, Swartz DC, in Haryana, India." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ35112.pdf.

Texto completo
Los estilos APA, Harvard, Vancouver, ISO, etc.
44

Cooke, Sarah Spear. "The edaphic ecology of two western North American composite species /." Thesis, Connect to this title online; UW restricted, 1994. http://hdl.handle.net/1773/5569.

Texto completo
Los estilos APA, Harvard, Vancouver, ISO, etc.
45

Jassogne, Laurence. "Characterisation of porosity and root growth in a sodic texture-contrast soil." University of Western Australia. School of Plant Biology, 2009. http://theses.library.uwa.edu.au/adt-WU2009.0092.

Texto completo
Resumen
In Australia a class of soils known as sodic duplex soils covers approximately 20% of the continent. Their defining characteristic is a sharp texture contrast between the A (or E) and B horizon. The upper B horizon at the point of contact with the E horizon is often highly sodic and of such a high strength that root growth and proliferation, water conductivity, aeration, water storage and water uptake are restricted. Roots growing in these soils rely on channels created by previous roots or cracks arising from shrink– swell forces associated with seasonal wetting and drying. It has been sugges
Los estilos APA, Harvard, Vancouver, ISO, etc.
46

D'AMICO, MICHELE EUGENIO. "Soil ecology and pedogenesis on ophiolitic materials in the western Alps (Mont Avic Natural Park, North-western Italy): soil properties and their relationships with substrate, vegetation and biological activity." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2009. http://hdl.handle.net/10281/10401.

Texto completo
Resumen
Soils formed from ultramafic rocks are normally by pH values close to neutrality, a high base status and are usually rich in Mg, Fe and heavy metals. The low Ca/Mg ratio and the high heavy metal content could cause toxic effects in the biological communities. Plant communities, in particular, are usually different from nearby areas with different substrates and rich in endemisms and adapted species and subspecies. Despite their great environmental and ecological interest, pedological and ecological properties of mountain or boreal soils developed on similar substrates have seldom been studied
Los estilos APA, Harvard, Vancouver, ISO, etc.
47

Ryan, Andrea L. "Assessment of spatial variability of silage corn quality and biomass using remote sensing and GIS techniques." Thesis, University of British Columbia, 1991. http://hdl.handle.net/2429/30294.

Texto completo
Resumen
The Matsqui area of the Lower Fraser Valley exhibits extreme soil heterogeneity, as the alluvial soils in the area have been deposited by the Fraser River as a series of coarse-textured ridges and finer-textured depressional areas. This variability poses some obvious problems with respect to agricultural management. The main aim of this study was to evaluate soil spatial variability in four fields, and to relate this soil variability to corn production and quality. Site conditions, topography, and soil chemical and physical variables were related to corn biomass and nutrient concentrations us
Los estilos APA, Harvard, Vancouver, ISO, etc.
48

Vaz, Sandrine. "Multivariate and spatial study of the relationships between plant diversity and soil properties in created and semi-natural hay meadows." Thesis, University of Wolverhampton, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.367647.

Texto completo
Los estilos APA, Harvard, Vancouver, ISO, etc.
49

Collins, Shane. "Residue composition influences nutrient release from crop residues." University of Western Australia. School of Earth and Geographical Sciences, 2009. http://theses.library.uwa.edu.au/adt-WU2009.0171.

Texto completo
Resumen
[Truncated abstract] A greater adoption of stubble retention, minimum-till and no-till farming practices for the purposes of conserving soil, water and fertility requires a greater understanding of the complexity of physical and chemical interactions between the soil and crop residues. There is currently insufficient knowledge to allow reliable predictions of the effects of different residue types in different environments on soil fertility and crop growth, owing to the many residue characteristics and environmental interactions that have been shown to affect decomposition or nutrient release.
Los estilos APA, Harvard, Vancouver, ISO, etc.
50

Medinski, Tanya. "Soil chemical and physical properties and their influence on the plant species richness of arid South-West Africa." Thesis, Stellenbosch : University of Stellenbosch, 2007. http://hdl.handle.net/10019.1/2157.

Texto completo
Resumen
Thesis (MScConsEcol (Conservation Ecology and Entomology)--University of Stellenbosch, 2007.<br>Understanding the drivers and mechanisms of changes in plant richness is a basis for making scientifically sound ecological predictions and land use decisions. Of the numerous factors affecting plant richness, soil has a particularly large influence on the composition and structure of terrestrial flora. Infiltrability is one of the most important factors determining soil moisture, and therefore is of particular interest in semi-arid ecosystems, where water is one of the most limiting resources. Othe
Los estilos APA, Harvard, Vancouver, ISO, etc.
Ofrecemos descuentos en todos los planes premium para autores cuyas obras están incluidas en selecciones literarias temáticas. ¡Contáctenos para obtener un código promocional único!