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 7 of 7 for “"CO2 respiration"”.
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Treatment of Petroleum Hydrocarbons in Oil-Based Drill Cutting Mud Using BiOWiSH Bioaugmentation Products
… of total petroleum hydrocarbons (TPH) and CO2 production respectively. Five experiments were analyzed by TPH extraction and analysis; four experiments were analyzed by respirometric analysis. The specific microcosm conditions tested in the experiments were control, nutrient-only control, …
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Long-Term Effects of Rice Rotation, Tillage, and Fertility on Near-Surface Soil Carbon and Nitrogen Cycling
… conductivity), and soil surface carbon dioxide (CO2) respiration. Results showed that SOM, total C, and total N concentrations increased over time under the NT treatment and in all rotations that did not include corn in the top 10 cm, but were not affected by the fertility treatment applied. The …
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Characterization of chemical composition, milling properties and carbon dioxide diffusivity resulting from early harvest corn and corn stover
… values. Effective diffusion coefficient of CO2 through bulk corn at different moisture contents and temperatures were measured to a better understand CO2 movement during corn storage, which could help develop a CO2 monitoring system for corn storage. Corn plants were harvested at different …
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Soil organic matter dynamics in a temperate forest influenced by extreme weather events
… plots (SM) compared to the control despite lower CO2 respiration and increasing water stress indicator. These results suggest that soil microbial respiration and therefore the activity was not closely related to soil microbial biomass but more strongly controlled by substrate availability and …
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Biochar Effects on Soil Microbial Biomass and Activity
… activated with steam and carbon dioxide (CO2) at 800ºC. Pyrolysis temperatures had significant effect on biochar chemical properties. The 13C nuclear magnetic resonance (NMR) spectra of biochars showed that conversion of labile C consitutents of biomass feedstocks to aromatic C structures …
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The Effect of Prescribed Burning on Soil Microbial Communities, Nutrients, and Carbon Dioxide Fluxes Under and Between Sagebrush Canopies in the Semi-Arid Rangelands of Northern Nevada
… nutrient dynamics, and carbon dioxide (CO2) fluxes. These changes can have direct and indirect effects on soil biochemistry and respiration. The effects of fire on soil largely depend on time and seasonality, frequency, severity, and management practices pre-and-post burning. The …
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Evaluating greenhouse gas emissions from Illinois agriculture systems
… had an effect on cumulative carbon dioxide (CO2) (p = 0.0137). However, their interaction affected cumulative nitrous oxide (N2O) emissions significantly (p = 0.0960); N2O emissions from tilled CCC were the greatest at 6.9 kg-N ha-1-yr-1; while emissions from NT CCC (4.0 kg-N ha-1-yr-1) were …