Index Catalog // ScholarsArchive@OSU

Estimating plant-available nitrogen release from manures, composts, and crop residues

Creator:: Gale, Eric S.
Abstract:: In order to properly utilize organic amendments as nitrogen sources, reliable methods to estimate plant-available nitrogen (PAN) are needed. The objectives of this study were to (1) evaluate the use of crop and soil responses in fertilizer N equivalence (FNE) calculations, (2) examine the relationships between the C/N ratio, total...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Eric S. Gale for the degree of

Suitability of diverse composts as soil amendments for highbush blueberry (Vaccinium corymbosum L.)

Creator:: Costello, Ryan C.
Abstract:: Highbush blueberry (Vaccinium corymbosum L.) is adapted to soils with high organic matter and acidic pH. Composts provide organic matter and nutrients for growing blueberry in mineral soils, but many composts are high in pH and soluble salts. Acidification with elemental sulfur (S°) can remedy high pH, but the process...
Resource Type:: Masters Thesis
Full Text:: .) Abstract approved: Dan M. Sullivan Bernadine C. Strik

Nitrogen mineralization from organic amendments during the second year following application

Creator:: Kusonwiriyawong, Charirat
Abstract:: Estimates of nitrogen (N) available from long-term application of organic amendments are required to balance N inputs with crop N requirements. Two studies were conducted to (1) determine N mineralized from organic amendments (manures and composts) during year 2 after application, and (2) compare plant-available N (PAN) determined via in...
Resource Type:: Masters Thesis
Full Text:: . Sullivan Estimates of nitrogen (N) available from long-term application of organic amendments are

Estimating the dry matter production, nitrogen requirements, and yield of organic farm-grown potatoes

Creator:: McQueen, John Paul Gainer
Abstract:: As part of a participatory research project, where farmers and Oregon State University researchers collaborated, aspects of potato (Solanum tuberosum L.) growing systems were studied. It was determined through conversations with the farmers that quantification of certain growth parameters of potato was lacking, including dry matter accumulation, crop nitrogen (N)...
Resource Type:: Masters Thesis
Full Text:: -Grown Potatoes. Abstract approved: Dan M. Sullivan As part of a participatory research

Classifying Low Streamflow Parameters in Coastal Southeast Alaska Using Game Cameras and Random Forest Models

Creator:: Lanphier, Kari
Abstract:: Southeast Alaska is located on the traditional territory of the Lingít, Haida, and Tsimshian People. It is comprised of the largest temperate rainforest in the world, with subregions receiving over 500 cm of rain annually. Climate change is predicted to alter the region's timing, type, and magnitude of precipitation and...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________ Pamela Sullivan Southeast Alaska is located on the traditional territory of the Lingít

Cultural controls for suppressing Phytophthora cinnamomi root rot of blueberry

Creator:: Yeo, John R.
Abstract:: Phytophthora cinnamomi is a soilborne pathogen that causes root rot disease of highbush blueberry (Vaccinium corymbosum L.). When new installations of susceptible blueberry cultivars are infected with P. cinnamomi, plants often fail to grow significant new tissue, greatly reducing yields over the life of the planting. Chemical fungicides are available...
Resource Type:: Dissertation
Full Text:: Blueberry Abstract approved: Dan M. Sullivan Phytophthora cinnamomi is a

The effect of physical and hydraulic properties of peat moss and pumice on Douglas-fir bark based soil-less substrates

Creator:: Zazirska Gabriel, Magdalena
Abstract:: Douglas-fir [Pseudotsuga menziesii (Mirbel) Franco] bark (DFB), sphagnum peat moss, and pumice are the most common substrate components used in the Oregon nursery industry. Despite the widespread use of these three components, little information is available on the effect of physical and hydraulic properties of peat moss and pumice on...
Resource Type:: Masters Thesis
Full Text:: : Dan M. Sullivan Douglas-fir [Pseudotsuga menziesii (Mirbel

Feasibility of Thermal Restoration by Groundwater Additions in the Middle Fork John Day

Creator:: Hale, Abigail E.
Abstract:: Survival of ecological systems pivot on critical moments. In the arid John Day Basin of Eastern Oregon, extensive restoration of the stream and floodplain focused on supporting salmon has been ongoing for the past 20 years, but recurring short periods of extreme temperature increase and low flows result in mortality...
Resource Type:: Masters Thesis
Full Text:: individuals including the members of my committee (Pamela Sullivan, Todd Jarvis, and Anne Trehu) who have

Improving Best Management Practices for Potato Production in the Columbia Basin : An Evaluation of Essential Oils for Control of Verticillium Wilt and the Fate of Chloride in the System

Creator:: Light, Sarah Elizabeth
Abstract:: Although the potato (Solanum tuberosum L.) is a global crop, few growing regions rival the high yields of the Columbia Basin of Eastern Oregon and Washington. Two research projects were conducted in Hermiston, OR to contribute to best management practices for the region. The first project evaluated the efficacy of...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________________________________ Dan M. Sullivan Philip B. Hamm Although the potato

Maria Susanna Cummins' "The Lamplighter" : a revisioning of a sentimental writer of the nineteenth-century United States as rhetor, social critic, and feminist

Creator:: Steinert, Laura
Abstract:: Within The Lamplighter, a novel written in 1854, Maria Susanna Cummins defines a version of the sentimental novel that significantly differs from the prescriptive analysis male critics have offered for the genre. This thesis argues that feminist theory and recent rhetorical theory have caused a critical paradigm shift that has...
Resource Type:: Masters Thesis
Full Text:: " category. Since the 1940's, Pattee has been one of the most influential reviewers of nineteenth

ScholarsArchive@OSU

Estimating plant-available nitrogen release from manures, composts, and crop residues

Suitability of diverse composts as soil amendments for highbush blueberry (Vaccinium corymbosum L.)

Nitrogen mineralization from organic amendments during the second year following application

Estimating the dry matter production, nitrogen requirements, and yield of organic farm-grown potatoes

Classifying Low Streamflow Parameters in Coastal Southeast Alaska Using Game Cameras and Random Forest Models

Cultural controls for suppressing Phytophthora cinnamomi root rot of blueberry

The effect of physical and hydraulic properties of peat moss and pumice on Douglas-fir bark based soil-less substrates

Feasibility of Thermal Restoration by Groundwater Additions in the Middle Fork John Day

Improving Best Management Practices for Potato Production in the Columbia Basin : An Evaluation of Essential Oils for Control of Verticillium Wilt and the Fate of Chloride in the System

Maria Susanna Cummins' "The Lamplighter" : a revisioning of a sentimental writer of the nineteenth-century United States as rhetor, social critic, and feminist

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