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 20 of 29 for “"field plot"”.
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Field plot testing of EOR surfactant in dual-porosity naturally fractured reservoirs: single-well vs. multiple-well approach
Includes bibliographical references (pages 110-113).
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Assessing the effects of field plot size and stand structure on forest inventory estimates derived from laser altimetry data
… has proven the utility of using lidar and field data in a two-stage procedure to predict forest inventory parameters. However, the effects of varying plot size on the prediction errors are not well understood. We investigated the effects of plot size on prediction errors using lidar data …
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Assessing the effects of field plot size and stand structure on forest inventory estimates derived from laser altimetry data
… has proven the utility of using lidar and field data in a two-stage procedure to predict forest inventory parameters. However, the effects of varying plot size on the prediction errors are not well understood. We investigated the effects of plot size on prediction errors using lidar data …
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The Assessment of habitat condition and consevation status of lowland British woodlands using earth observation techniques.
… assessments are currently conducted via fieldwork, which is hampered by cost, spatial coverage, objectiveness and repeatability.This projectevaluates the ability of airborne remote sensing (RS) techniques to assess woodland condition, utilising a sensor-fusion approach to survey a …
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An investigation into the use of conformal transformations in two-dimensional field theory.
… solving Laplace's equation for two-dimensional field problems. Conformal Transformations is one of several analytical methods available for this purpose and its usefulness is generally limited to those problems in which the transformation integral is solvable. The theory of Conformal …
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Gains and Losses in Ecosystem Services: Trade-off and Efficiency Perspectives
… with different farm management practices at field plot level under the tropical monsoon climate conditions in a developed country (South Korea). Paper 2 explores the synergies and trade-offs between a provisioning and a regulating service (crop production and water runoff regulation) at …
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Post-fire carbon, fuels, and vegetation dynamics in wet temperate forests: implications for future fire and management in the Pacific Northwest
… aboveground biomass in long-term monitoring plots within five fires to explore the relative influence of pre-fire stand age and burn severity on two important post-fire disturbance legacies: carbon and fuel profiles. I found that pre-fire stand age drove total legacy amounts while burn …
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SIMPLE ORGANIC FERTILIZER AMENDMENTS FOR FARMING IN DEGRADED SOILS: EFFECTS ON PLANT-MICROBE INTERACTIONS
… at Northern Michigan University’s Agricultural Field Plot. These amendments can all be made with very limited monetary input while providing a significant amount of nutrients, and microbial diversity to the soil. Overall plant biomass, culturable microbial diversity, microbial functional …
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Influence of seaweed extract and other plant growth regulators on growth, persistence, and quality of tall fescue and their potential to alleviate tall fescue toxicity to livestock
Three greenhouse and two field plot experiments were conducted to determine the influence of seaweed extract and other plant growth regulators on forage quality and persistence of endophyte-infected (Acremonium coenophialum Morgan-Jones and Garns) and endophyte-free tall fescue (Festuca arundinacea …
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Development of Environmental Tracers for Sediments and Phosphorus.
… boxes receiving simulated rainfall, as well as a field plot, to compare their transport to the relevant phase of phosphorus. The results showed comparable behaviour between REOs and particulate phosphorus. Fluorescent microspheres had low recoveries in surface runoff due to infiltration into the …
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Spinel: a framework for counting wheat spikes and kernels using UAV and ground-based imaging in breeding fields
… practical, quantified analyses for breeding field applications. This thesis introduces SPINEL (SPike and kerNEL), a comprehensive framework that combines unmanned aerial vehicle (UAV)-captured multispectral imaging and fieldcaptured RGB camera imaging for advanced phenotyping. The framework …
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Variability Structure Estimation: The Role of Sample Support
… mass recovery measurements within a small field plot. With these application examples, the relative information content of different measurement methods for characterizing the point variogram are evaluated (in terms of integral scale and sill). The effectiveness and robustness of the …
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Variability structure estimation: The role of sample support
… mass recovery measurements within a small field plot. With these application examples, the relative information content of different measurement methods for characterizing the point variogram are evaluated(in terms of integral scale and sill). The effectiveness and robustness of the …
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The technique of plot study to determine soil losses and runoff under field conditions due to fertilizer treatment
… conditions, but no study has been conducted on plots under actual field cultural conditions. These investigations have been very valuable in that they have revealed much needed information but they have added very little knowledge of plot technique under field cultural conditions. The size of …
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The Evaluation of Root System Architecture (RSA) As A New Breeding Target for Climate-Resilient Winter Wheat (Tritium aestivum L.)
… for shoot biomass, even though the entire field plot for each genotype was sampled. Yet, a considerably higher genetic signal was observed for plant height. These results suggest that both root and shoot biomass are complex, polygenic traits that require significantly more attention to …
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A computer simulation model for predicting pesticide losses from agricultural lands
A field scale model for predicting the surface losses of pesticides (Pesticide Losses In Erosion and Runoff Simulator, PLIERS) was developed. PLIERS accounts for pesticide losses by degradation and volatilization, the washoff of pesticides from plant canopy and surface residue, the adsorption and …
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Improving Precision in Forest Inventory through Small Area Estimation for Loblolly Pine Plantations in Coastal Georgia
… Georgia. Following the unit-level approach, field plots sampled in plantations owned by Rayonier Inc. were georeferenced to aerial lidar data using high-quality GPS field coordinates. Results focused on A) gains in precision for stand-level basal area, volume, and above-ground biomass …
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Towards 3D Crop Phenotyping of Above- and Belowground Grain Sorghum Plant Traits Using Airborne Mounted Multispectral Camera, TLS, and GPR Remote Sensing Technologies
… sorghum were monitored using a randomized split plot design with three levels of deficit irrigation (30%, 60%, and 100%). These plots were replicated three times for a total of 18 plots. We hypothesized that crop height and an index of plant health: the normalized difference vegetation index …
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Exploiting the Productivity of C4 Photosynthesis in Cool Temperate Climates: Mechanisms and Thresholds of Cold Tolerance in Miscanthus, Saccharum, and Spartina pectinata
… S. pectinata and M. x giganteus in a first year field plot. Spartina pectinata shows greater overwinter survival and a fall/winter lethal temperature threshold of -24°C compared to -4°C for M. x giganteus, as well as greater spring leaf frost tolerance.
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Environmental and agronomic aspects of municipal solid waste heavy fraction used for turfgrass production
… amendment for production of turfgrass sod. In a field plot experiment using Kentucky bluegrass (<i>Poa pratensis L</i>.), measurements of sod strength taken 8.5 and 9.5 months after seeding were greater for sod grown in topsoil amended with heavy fraction than for turf grown in topsoil only. …
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