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:: Nitrogen Release from Manures, Composts, and Crop Residues. Abstract approved: Dan M. Sullivan In order

Nitrogen mineralization from composted and fresh yard trimmings

Creator:: Nartea, Theresa J.
Resource Type:: Masters Thesis
Full Text:: from Composted and Fresh Yard Trimmings Abstract approved: Dan M. Sullivan In western Washington

Preliminary investigation of artificial incubation of emu eggs, and alternative feeds and management techniques for emu chicks up to ten weeks of age

Creator:: Allen, Carol Ann
Abstract:: A preliminary study was conducted to establish baseline data for emu artificial egg incubation and emu chick growth and management. Three experiments examined factors affecting hatchability of emu eggs that occur prior to and during artificial incubation. Characteristics analyzed were egg storage duration, hen age, egg weight, egg index, shell...
Resource Type:: Masters Thesis
Full Text:: design experiment, chicks were raised in two different pen sizes, 0.9 m X 3.0 m and 1.8 m X 11.0 m, and

The influence of phosphatase-producing bacteria on phosphatase activity and available phosphorus in soil

Creator:: Nelson, Sheila J.
Resource Type:: Masters Thesis
Full Text:: and support with research and writing. Drs. Neil Christensen and Tom Bedell for serving on my

Sampling and management of garden symphylans (Scutigerella immaculata Newport) in western Oregon

Creator:: Umble, Jon R.
Abstract:: Garden symphylans (Scutigerella immaculata Newport) are increasingly important pests of below-ground parts of over 100 crops in Oregon. The focus of our work was to improve S. immaculata management through 1) development of a bait sampling method, 2) examination of the susceptibility of selected crops to S. immaculata feeding in...
Resource Type:: Dissertation
Full Text:: Moldenke, Jeff Jenkins and Neil Christensen, as well as Mark Van Horn and Ralph Berry for their insightful

Grass straw residues as a feed source for wintering beef cattle

Creator:: Stamm, Michele M.
Resource Type:: Masters Thesis
Full Text:: cattle AN ABSTRACT OF THE THESIS OF Michele M. Stamm for the degree of Master of Science in Animal

Sexual and asexual propagation of Rubus

Creator:: Yau, Peng Yam
Resource Type:: Masters Thesis
Full Text:: thank Dr. Porter Lombard and Dr. Neil Christensen for serving in my minor committee. Also, I would

Postemergence herbicides and take-all disease in winter wheat : alterations in the incidence and severity of disease and crop growth

Creator:: Geddens, Ray M.
Abstract:: Eight postemergence herbicides were evaluated to determine their influence on the incidence and severity of take-all disease caused by the fungus Gaeumannomyces graminis var. tritici in winter wheat. Mecoprop ((+)-2-(4-chloro-2-methylphenoxy)propanoic acid), difenzoquat (1,2- dimethyl- 3,5- diphenyl -1H- pyrazolium), dinoseb amine (amine salt of 2-(1-methylpropy1)-4,6-dinitrophenol), and diclofopmethyl (methyl ester of (+)-2-[4-(2,4-dichlorophenoxy)...
Resource Type:: Dissertation
Full Text:: OF Ray M. Geddens for the degree of Doctor of Philosophy in Crop Science and Botany/Plant Pathology

Evaluation of the colonization and biofilm production by Burkholderia pyroccinia FP62 on geranium leaves

Creator:: Wallace, Patricia K.
Abstract:: The leaf surface is a stark environment for bacterial colonists with limited availability of nutrients, water and protected niches. Despite these limitations, a plethora of bacteria appear to have adapted ways to survive and flourish on leaf surfaces. One mechanism of survival is the formation of biofilms. Biofilms are a...
Resource Type:: Masters Thesis
Full Text:: Loper, Martin Schuster, Virginia Stockwell and Neil Christensen for their patience and willingness to

Peppermint irrigation and nitrogen management for the reduction of nitrate loading to groundwater

Creator:: Smesrud, Jason K.
Abstract:: The agricultural production of peppermint has been shown to contribute significant quantities of nitrate-nitrogen to groundwater recharge. In an effort to provide new tools for increasing nitrogen efficiency within peppermint production, three research questions were proposed: i) How should plant tissue samples be collected to achieve the greatest precision when...
Resource Type:: Masters Thesis
Full Text:: variability, a purely random distribution of stem nitrate concentrations was observed on the 1-150 m scale

ScholarsArchive@OSU

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

Nitrogen mineralization from composted and fresh yard trimmings

Preliminary investigation of artificial incubation of emu eggs, and alternative feeds and management techniques for emu chicks up to ten weeks of age

The influence of phosphatase-producing bacteria on phosphatase activity and available phosphorus in soil

Sampling and management of garden symphylans (Scutigerella immaculata Newport) in western Oregon

Grass straw residues as a feed source for wintering beef cattle

Sexual and asexual propagation of Rubus

Postemergence herbicides and take-all disease in winter wheat : alterations in the incidence and severity of disease and crop growth

Evaluation of the colonization and biofilm production by Burkholderia pyroccinia FP62 on geranium leaves

Peppermint irrigation and nitrogen management for the reduction of nitrate loading to groundwater

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