Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 12 of 12 for “"soil constituents"”.
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Methodological developments for mapping soil constituents using imaging spectroscopy
… the terrestrial carbon reservoirs in vegetation, soil and detritus. Optical remote sensing and in particular Imaging Spectroscopy has shown the potential to quantify land surface parameters over large areas, which is accomplished by taking advantage of the characteristic interactions of incident …
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An Investigation of Inorganic Background Soil Constituents With a Focus on Arsenic Species
… and convenient analysis of inorganic background soil constituent data within specific geological groups in Victoria, Australia. A statistical analysis of the data revealed the relative abundances of metals and, in particular, arsenic within soils of various geological units. These units included …
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The effect of calcium carbonate of certain soil constituents and on plant growth
… the use of calcium bicarbonate (lime) as soil augmentation. It covers the physical, physiological, bacteriological, and chemical effects of lime in soils, and also the historical use of lime and its sources. From page 9 "Scope of Problem": It is the purpose of this investigation to secure …
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Data driven estimation of soil and vegetation attributes using airborne remote sensing
… airborne remote sensing to characterize soil attributes and the structure of vegetation canopy. Soil texture, organic matter, and chemical constituents are critical to ecosystem functioning, plant growth, and food security. However, most of the soil data available globally are of coarse …
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Groundwater effects of land applied alum residuals
Soil columns of predominantly Peawick and Slagle soils had various amounts of alum residuals, lime and plant nutrients incorporated into the topsoil. A weekly dose of rainwater was applied to each column over a six month period. Leachate and soil constituents were analyzed to evaluate migration of …
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Thesis
All soil constituents are formed form the disintegration of rocks with the exception of a small percent of organic matter. The soil is sometimes removed as fast as formed by the action of water and air. Streams of running water, tides and waves, or the moving of immense ice fields called glaciers …
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Nondestructive investigation of soil moisture level using optical system
Soils are one of the essential resources consisting of unconsolidated mineral or organic material on the surface of the Earth; it plays an important role in the growth of land plants. Soil testing is an effort to assess the soil constituents and moisture level; this information is useful to …
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A meta-analysis of how management practices affect soybean yield and quality
… weather (precipitation and temperature), soil constituents (CEC, organic matter, P and K levels), and recorded planting and harvest dates. A meta-analysis of the mean differences was used to examine the impact of management practices on yield, and moderators to explain the heterogeneity …
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Using satellite hyperspectral imagery to map soil organic matter, total nitrogen and total phosphorus
Up-to-date and accurate information on soil properties is important for precision farming and environmental management. The spatial information of soil properties allows adjustments of fertilizer applications to be made based on knowledge of local field conditions, thereby maximizing agricultural …
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RESPONSE OF CANOLA, WHEAT AND PEA TO FOLIAR PHOSPHORUS FERTILIZATION IN THREE SASKATCHEWAN SOIL ZONES
… amounts of phosphorus (P) are removed from soil in harvested plant material. As a result greater amounts of phosphorus fertilizers are required to maintain both crop yields and long-term soil fertility. However P fertilizer application practices must consider factors including high …
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Ultra-Wideband Wireless Channels - Estimation, Modeling and Material Characterization
… consisted on the dielectric characterization of soil samples using microwave measurements. This project was made in cooperation with the Department of Physical Geography and Ecosystem Analysis at Lund University, which had been developing research work on methane emissions from the wetlands in …