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Soil nitrogen transformation as affected by moisture

Creator:: Tomsheck, William Henry
Resource Type:: Masters Thesis
Full Text:: in etern Ore1on in its relation to pro:ìc- tian of nitrification and nItrogen fixation, Tw iou

Nitrogen 15 studies with nonleguminous nitrogen-fixing plants

Creator:: Webster, Stephen Russell
Abstract:: Snowbrush (Ceanothus velutinus), red alder (Alnus rubra), and bitterbrush (Purshia tridentata) are three important nitrogen- fixing nonleguminous species. They commonly grow in association with commercially important conifers in western United States and conceivably could be utilized to add nitrogen to forest ecosystems. Nitrogen 15 gas was used to study nitrogen...
Resource Type:: Masters Thesis

The effect of added available nitrogen on carbon dioxide evolution from soil treated with sawdust and other organic additions

Creator:: Mills, Herman Erwin
Resource Type:: Masters Thesis

Ammonia and nitrate nitrogen transformations in semi-arid soils of northeastern Oregon

Creator:: Damsky, Leon Joseph
Resource Type:: Masters Thesis
Full Text:: ) Salts ----------- NH3 ----------- Base exchange Nitrification (microbial) Plant use ------- N03

Effect of certain fumigants on nitrification and other soil microbial activities

Creator:: Roa, Pedro Dante
Resource Type:: Masters Thesis
Full Text:: Effect of certain fumigants on nitrification and other

Chloride fertilizer and soil pH effects on nitrification rate and soil solution constituents

Creator:: Roseberg, Richard J.
Abstract:: Chloride containing fertilizers are used to reduce the severity of take-all root rot of wheat in western Oregon and appear to reduce nitrification in moderately acid soils. Objectives of this study were to determine if nitrification is inhibited by the Cl ion, increasing soil solution ionic strength, or changes in...
Resource Type:: Masters Thesis
Full Text:: Chloride Fertilizer and Soil pH Effects on Nitrification

The effects of variation in rate and time of application of nitrogen on wheat on trashy and clean fallowed soil

Creator:: Ramage, Carroll Herbert
Resource Type:: Masters Thesis
Full Text:: , ceasing at five and 55 degrees. Other workers (14.3, p. 398) found some nitrification at tempera

Transcriptome profiling of Nitrosomonas europaea grown singly and in co-culture with Nitrobacter winogradskyi

Creator:: Pérez, José
Abstract:: In most environments, ammonia (NH₃) is oxidized to nitrate (NO₃⁻) via the intermediate nitrite (NO₂⁻). This is a microbe-driven process involving phylogenetically distinct types of microorganisms, namely, ammonia-oxidizing bacteria (AOB) and Thaumarchaea (AOA), and nitrite-oxidizing bacteria (NOB). Nitrosomonas europaea and Nitrobacter winogradskyi are the best studied AOB and NOB, respectively,...
Resource Type:: Masters Thesis
Full Text:: . The significance of this gap in knowledge lies in the fact that during nitrification in natural

The effect of silver ions and nanoparticles on biofilms and planktonic cultures of Nitrosomonas europaea

Creator:: Giska, Jonathan R.
Abstract:: Due to the effective antimicrobial properties of silver nanoparticles they represent a significant proportion of all consumer-‐related nanomaterials. The introduction of silver nanoparticles from these products into domestic and industrial wastewater streams poses potential complications for biological treatment systems. A critical component of biological treatment that is extremely sensitive to...
Resource Type:: Masters Thesis
Full Text:: extremely sensitive to perturbation is the nitrification process that converts

Physiological response of Nitrosomonas europaea to oxytetracycline, chromium, and silver

Creator:: Schaerer, Morgan A.
Abstract:: Nitrosomonas europaea carries out the first step in the biological nitrogen removal process in wastewater treatment by oxidizing ammonia to nitrite. It has been shown to be sensitive to a wide range of contaminants. The antibiotic oxytetracycline and the heavy metals chromium and silver have been found in wastewater influent....
Resource Type:: Masters Thesis
Full Text:: nitrification process at environmentally relevant concentrations. Hexavalent chromium slightly inhibited

ScholarsArchive@OSU

Soil nitrogen transformation as affected by moisture

Nitrogen 15 studies with nonleguminous nitrogen-fixing plants

The effect of added available nitrogen on carbon dioxide evolution from soil treated with sawdust and other organic additions

Ammonia and nitrate nitrogen transformations in semi-arid soils of northeastern Oregon

Effect of certain fumigants on nitrification and other soil microbial activities

Chloride fertilizer and soil pH effects on nitrification rate and soil solution constituents

The effects of variation in rate and time of application of nitrogen on wheat on trashy and clean fallowed soil

Transcriptome profiling of Nitrosomonas europaea grown singly and in co-culture with Nitrobacter winogradskyi

The effect of silver ions and nanoparticles on biofilms and planktonic cultures of Nitrosomonas europaea

Physiological response of Nitrosomonas europaea to oxytetracycline, chromium, and silver

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