Academic literature on the topic 'CHEMICAL COMPOSITION OF SOIL'

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Dissertations / Theses on the topic "CHEMICAL COMPOSITION OF SOIL"

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Campbell, Duncan J. "The chemical composition of soil solutions extracted from top soils in the Oxford area : the magnitude and range of variability." Thesis, University of Oxford, 1985. http://ora.ox.ac.uk/objects/uuid:e70e0323-8383-45f2-91f5-9cb2c26b5008.

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Although the soil solution lies at the centre of many of the processes which occur in soils, little information is available on the chemical composition of the soil solutions of field soils, or on the temporal and spatial variability of such solutions. The suitability of an immiscible fluid centrifugation method for obtaining samples of the soil solution was evaluated. The method was found to be substantially free from interferences and well suited to routine use. It was adapted for use with soils of low bulk density. Yields of soil solution from soils at or near field capacity ranged from 20
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Saito, Hiroshi Harlan. "Effects of temperature and heating rate on off-gas composition and pyrene removal from an artifically-contaminated soil." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/11060.

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Munzur, Basak. "Chemical Composition Of Atmospheric Particles In The Aegean Region." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12609373/index.pdf.

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Daily aerosol samples were collected at the &Ccedil<br>andarli which is located on Aegean coast of Turkey. A rural site was selected to monitor atmospheric pollution by long range transport. Sampling was performed in both summer and winter seasons, and in total 151 samples were obtained. Concentrations of elements in the samples were measured in order to identify sources and possible source locations of pollutants. Measured concentrations of trace elements at the &Ccedil<br>andarli station were compared with those measured at various sites around the world and, also in Turkey. As a result of
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Furtado, Francisca Mirlanda Vasconcelos. "Feature soil, growth and chemical composition of grass in tifton fertilization and irrigation of aquaculture with wastewater." Universidade Federal do CearÃ, 2015. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=15397.

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CoordenaÃÃo de AperfeÃoamento de Pessoal de NÃvel Superior<br>This work was carried out to evaluate the effects of nitrogen fertilization in areas of irrigated pastures with biofertilizados effluents from fish farming. Four doses of nitrogen fertilizer were used for 3 cycles of Tifton-85 grass cut every 28 days and irrigated with wastewater from fish farming. After each cutting the grass was fertilized with the respective doses of fertilizer. The design was completely randomized in a factorial 2 x 4 with four replicates. Four doses of nitrogen fertilizer dose corresponded to 0 to N; 198 kg N h
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Mofokeng, Motiki Meshack. "Growth, yield and chemical composition of Pelargonium sidoides DC. in response to nitrogen and soil water management." Diss., University of Pretoria, 2015. http://hdl.handle.net/2263/50704.

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Pelargonium sidoides DC. is one of many medicinal plant species that are harvested in the wild. The current trade in these medicinal plants has negatively affected their distribution in the wild due to unsustainable harvesting. The demand for medicinal plants is unlikely to decrease, but sustainability of the supply is questionable. This is because commercial exploitation threatens to deplete their populations, resulting in many species being considered vulnerable to extinction and being lost from their natural habitat. Increased demand, which is already too high to be met by sustainable harve
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Nchabeleng, Lehlohonolo. "Effects of different climatic and soil factors at different locations on chemical composition of bush tea (Athrixia phylicoides DC.)." Thesis, University of Limpopo (Turfloop Campus), 2012. http://hdl.handle.net/10386/740.

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Soltani, Dashtbozorg Soroosh. "Microbial Rhamnolipids as Environmentally Friendly Biopesticides: Congener Composition Produced, Adsorption in Soil, and Effects on Phytophthora sojae." University of Akron / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=akron1438175115.

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8

Terrill, Thomas Howard. "Effects of soil moisture and al-nitrilotriacetate on yeild chemical composition and digestibility of ryegrass (Lolium multiflorum, L.) by meadow voles." Thesis, Virginia Polytechnic Institute and State University, 1985. http://hdl.handle.net/10919/53088.

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Flooding effects mineral composition of pasture grasses, but little is known concerning effects on mineral metabolism and fiber digestibility in animals. Experiments were conducted to investigate effects of flooding and Al-nitrilo-triacetate (Al-NTA) on growth, chemical composition and digestibility of annual ryegrass (Lolium multiflorum, L.). Ryegrass was grown in a greenhouse experiment on Bucks silt loam soil with two soil moisture levels (flooding and 80% field capacity) and two Al rates (0 and 135 mg/kg) as Al-NTA. Flooding increased Al, Fe, Cu, Ca and fiber and decreased dry matter yie
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Bergknut, Magnus. "Characterization of PAH-contaminated soils focusing on availability, chemical composition and biological effects." Doctoral thesis, Umeå : Umeå University, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-789.

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10

Joseph, Gilbert. "A comparative study of the chemical composition of soils from aquaculture systems in the Cochin estuarine area." Thesis, Central Marine Fisheries Research Institute, 1985. http://eprints.cmfri.org.in/11071/1/Joseph%20Gilbert%20P.%20G..pdf.

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In recent years there has been an increasing awareness of the role and benefits of scientific fish farming in coastal waters for augmenting fish production of India, although a traditional practice of aquaculture has been prevailing in these waters for a long time. A comprehensive knowledge of the ecology of the different culture systems forms an integral part of the scientific farming because it directly influences the rate of production. The growth and survival of the organisms used for culture depend largely on the overall productivity of the pond, which in turn, is influenced by the var
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