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Septic-tank drainfield performance in five Willamette Valley soils

Creator:: Wert, Stephen R.
Abstract:: Permeability, effects of age, and water table fluctuations were studied for nine drainfields in five soil types ranging from well to poorly drained. Three sites were in Willamette, one in Woodburn, two in Amity, two in Concord, and one in Dayton soils. Before permeability of drainfields could be evaluated, methods...
Resource Type:: Masters Thesis
Full Text:: Willamette Valley Soils by Stephen Robert Wert A THESIS submitted to Oregon State University in partial

An economic analysis of enterprise combinations on farms in the Willamette Valley

Creator:: Lange, John Erwin
Abstract:: Questionnaires were mailed to farmers in six counties of the Willamette Valley requesting the kind and size of enterprises and the gross income received from the enterprises on each farm. Enterprises were defined both as general livestock or crop categories and as individual crop or livestock enterprises. Two computer programs...
Resource Type:: Masters Thesis
Full Text:: ANALYSIS OF ENTERPRISE COMBINATIONS ON FARMS IN THE WILLAMETTE VALLEY Abstract approved Questionnaires

A study of air pollution potentiality in the Willamette Valley

Creator:: Ramsdell, J. V.
Resource Type:: Masters Thesis
Full Text:: Valley A STUDY OF AIR POLLUTION POTENTIALITY IN THE WILLAMETTE VALLEY by JAMES VANNEB U.MSDELL• JR

The localization of the United States sugar beet seed industry with emphasis on the Willamette Valley

Creator:: Tonack, Wayne Eugene
Abstract:: This investigation has analyzed and described the impact of place on one of man's activities -- the production of sugar beet seed. It is apparent that in this activity man's relationship to the earth is especially close and dependent upon a number of factors. These are localizing factors. Sugar beets...
Resource Type:: Masters Thesis
Full Text:: completed. The Willamette Valley of Oregon, the Salt River Valley of Ari- zona, and the Virgin River

The effect of seeding time on the heading and yield of wheat in the Willamette Valley

Creator:: al-Falahi, Tariq Salih
Abstract:: Wheat is an important cereal crop in the Willamette Valley of Oregon and the stiff-strawed, high yielding winter varieties are the predominate types grown although spring varieties are not uncommon. Because of the mild, often open winters; present in the Willamette, it is not unusual to be able to seed...
Resource Type:: Masters Thesis
Full Text:: Wheat is an important cereal crop in the Willamette Valley of Oregon and the stiff - strawed, high

The response of winter wheat to irrigation in the Willamette Valley

Creator:: Rossner, John Theodore
Abstract:: Some consideration has been given to the irrigation of winter wheat in the Willamette Valley of Oregon. This important crop has yielded quite well since the development and introduction of the stiff-strawed, semi-dwarf wheats, but, because of the usually dry early summers, it has been suggested that irrigation of winter...
Resource Type:: Masters Thesis
Full Text:: given to the irrigation of winter wheat in the Willamette Valley of Oregon. This important crop has

The economic feasibility of utilizing irrigable Willamette Valley floor land for beef production

Creator:: Middlemiss, Willis Earl
Resource Type:: Masters Thesis
Full Text:: 16, 196 Title THE ECONOMIC FEASIBILITY OF UTILIZING IRRItABLE WILLAMETTE VALLEY FLOOR LAND FOR BEEF

The frequency of occurrence of corticolous lichens on Quercus garryana in the Willamette Valley

Creator:: Saxton, Robert Howard
Abstract:: This study was made to present any evidence as to differences in the frequency of occurrence of corticolous lichens from east to west in the Willamette Valley on a bark substrate of Quercus Garryana. Twenty-four species of lichens were observed to be present within the grid area of the 100...
Resource Type:: Masters Thesis
Full Text:: Quercus Garryana in the Willamette Valley AN ABSTRACT OF THE THESIS OF ROBERT H. SAXTON for the Master

Response of field corn to irrigation, plant population, and nitrogen on soils of the Willamette catena

Creator:: Andersen, Jimmie Lee
Abstract:: The purpose of this study was to make a preliminary investigation of the productivity of some of the soils within the Willamette catena under different systems of soil management. The study was carried out at four experimental sites near Corvallis, Oregon, during the 1962 growing season. The soil at each...
Resource Type:: Masters Thesis
Full Text:: the Willamette Valley. Several times as large an acreage could be feasibly irri- gated. The

Consumptive use of surface water by Willamette Basin municipalities

Creator:: Mittelstadt, Richard Lee
Abstract:: The consumptive water use of six cities in the Willamette Basin of northwestern Oregon was evaluated for the period 1960-66. Consumptive use ratios were obtained by analyzing data from monthly water supply and sewage flow records. The average annual consumptive use for the six cities was found to be 26...
Resource Type:: Masters Thesis
Full Text:: Willamette River Basin is located in northwestern Oregon and contains approximately 11,500 square miles

ScholarsArchive@OSU

Septic-tank drainfield performance in five Willamette Valley soils

An economic analysis of enterprise combinations on farms in the Willamette Valley

A study of air pollution potentiality in the Willamette Valley

The localization of the United States sugar beet seed industry with emphasis on the Willamette Valley

The effect of seeding time on the heading and yield of wheat in the Willamette Valley

The response of winter wheat to irrigation in the Willamette Valley

The economic feasibility of utilizing irrigable Willamette Valley floor land for beef production

The frequency of occurrence of corticolous lichens on Quercus garryana in the Willamette Valley

Response of field corn to irrigation, plant population, and nitrogen on soils of the Willamette catena

Consumptive use of surface water by Willamette Basin municipalities

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