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Creator:: Mandery, William Lee
Resource Type:: Dissertation
Full Text:: the statis- tical analysis. The student's graduate committee, Professors Peterson, Guthrie, T. J

Creator:: Mason, Benjamin J.
Abstract:: The research presented in this thesis evaluated the effects of uranyl (UO₂⁺⁺) upon the absorption of Li, Na, K, Rb, and Cl. Due to the biological importance of Na and K, these two ions were studied in the greatest detail. The results of this research showed that, at UO₂⁺⁺ concentrations...
Resource Type:: Dissertation
Full Text:: the members of my graduate committee - -Dr. H. J. Evans, Dr. C. T. Youngberg and Dr. William K

Creator:: Seamans, David Alvin
Abstract:: The development of new electronic devices and design procedures applicable to ternary switching circuits suggests that it might be desirable to use ternary arithmetic in direct digital control systems. The advantages of decimal, binary, and ternary arithmetic in digital computers are discussed and a set of rules for signed -digit...
Resource Type:: Dissertation
Full Text:: ABSTRACT OF THE THESIS OF David Alvin Seamans for t he Ph.D. in Electrical Engineering presented on May

Creator:: Westermann, D. T. (Dale Thomas), 1941-
Abstract:: Incubation experiments with an acid poorly drained soil have shown that the application of neutral soluble salts influenced the level of extractable Mn. The application of a salt which lowered the soil pH either increased the extractable Mn or retarded the oxidation and/or fixation of extractable Mn. This effect was...
Resource Type:: Dissertation
Full Text:: committee and to Dr. T. C. Moore, who substituted on my graduate committee for Dr. H. J. Evans. To my

Creator:: Cooper, Clee Scott
Abstract:: Field, greenhouse, growth chamber and laboratory experiments evaluated factors affecting establishment, survival and production of birdsfoot trefoil (Lotus corniculatus L.) and alfalfa (Medicago sativa L.) Field studies investigated the effects of a barley companion crop, seedling year harvest management and nitrogen and phosphorus fertilization upon stands, survival and subsequent production...
Resource Type:: Dissertation
Full Text:: Ql"ai*-9._r"Li"" t,. ) Abstract approved Field, gr-eenhouse, growth ehamber and laboratory

Creator:: Bedell, Thomas E.
Abstract:: Sheep and cattle dietary preferences were determined on tall fescue-subclover ( Festuca arundinacea-Trifolium subterraneum) and perennial ryegrass-subclover (Lolium perenne-Trifoliuni subterraneum) pastures in western Oregon during the spring and summer periods of 1964 and 1965. Esophageal-fistulated Willamette ewes and Hereford and Hereford-Angus yearling cattle were grazed separately on each pasture mixture...
Resource Type:: Dissertation
Full Text:: Dr. C. E. Poulton, Dr. W. S McGuire, Dr. J. E. Oldfield and Dr. A. T. Ralston is gratefully

Creator:: Bailey, Arthur Wesley, 1938-
Abstract:: Forest associations, secondary succession, and relationships of plant communities to Roosevelt elk were investigated. Stratification of vegetation into ecological units and an understanding of secondary succession by habitat-type were a necessary first step in investigations into browsing of conifers by elk. The study was jointly conducted by the Oregon State...
Resource Type:: Dissertation
Full Text:: , C. T. Youngberg, W. W. Chilcote, and H. J. Rayner. A special word of thanks is due Dr. C. T

Creator:: Kerridge, Peter Campbell
Abstract:: Wheat varieties of differential tolerance to Al were used in a series of nutrient solution experiments to study the inhibitory effects of Al on growth and nutrient uptake. The pH and the Al and P concentrations were rigorously maintained to prevent the confounding effects of Al and P precipitation and...
Resource Type:: Dissertation
Full Text:: this thesis. To other members of my graduate committee, Drs. H. J. Evans, W. H. Foote, T. L. Jackson

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