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Evaluation of nutritional qualities of common ryegrass screenings

Creator:: Snyder, Fred Roland
Abstract:: This study was conducted to investigate the production and processing technology of common ryegrass screenings and to determine the nutritive value of these screenings for sheep. The animal response to them was assessed when the sheep were fed on the screenings alone and in combination with other feedstuffs. Four in...
Resource Type:: Dissertation
Full Text:: ACKNOWLEDGMENTS My sincere appreciation is extended to Dr. D. C. Church and Dr. J. E. Oldfield for valuable

Effects of mineral nutrition on development of crown gall caused by Agrobacterium tumefaciens

Creator:: Hussin, Hamid Mohammed
Resource Type:: Dissertation
Full Text:: to the members of the Program Committee: Drs. R. A. Young, E. Hansen and J. C. R. Li, for their

Groundsurfaces and soils in the Willamette Valley, Oregon

Creator:: Beattie, John Alfred
Resource Type:: Dissertation
Full Text:: members of my graduate committee I wish to thank Dr. W. H. Slabaugh, Dr. J. C. Cummings, and Dr. W. H

Selective inhibition of ion absorption by uranyl

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

The effect of selected potassium salts on the availability of soil manganese

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

Hydrolysis and biological degradation of atrazine in soils

Creator:: Skipper, H. D. (Horace D.)
Abstract:: Detoxification of atrazine in soils results from both chemical hydrolysis and microbial degradation. Infrared analysis was used to study the hydrolysis of atrazine upon interaction with soil colloids and to ascertain the existence of enol, keto, and protonated-keto forms of hydroxyatrazine. Evolution of ¹⁴CO₂ from ¹⁴C-atrazine and ¹⁴C-hydroxyatrazine was indicative...
Resource Type:: Dissertation
Full Text:: the manuscript. To other members of my graduate committeeDrs. H. J. Evans, C. E. Horner, and G

Seasonal cattle and sheep diets on Festuca arundinacea-Trifolium subterraneum and Lolium perenne-Trifolium subterraneum pastures in western Oregon

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

Forest associations and secondary plant succession in the southern Oregon coastal range

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

An experimental investigation of combustion products through a flat, laminar, pre-mixed hydrocarbon-air flame

Creator:: Brenchley, David Lee
Abstract:: Flat, laminar, premixed hydrocarbon-air flames were stabilized on a porous-plate burner. In addition to temperature profiles, concentration profiles were measured for methane, ethane, ethylene, propane, acetylene, propylene, carbon monoxide, carbon dioxide and oxides of nitrogen. Dead space thickness, luminous flame zone thickness and hydrocarbon disappearance point responses were also monitored....
Resource Type:: Dissertation
Full Text:: BRENCHLEY for the Ph. D. (Name) (Degree) in MECHANICAL ENGINEERING presented on ` % /' C j j ,i

Genotype-environment interaction in winter wheat F₁ progeny

Creator:: Peterson, C. J.
Abstract:: Seven winter wheats were evaluated for plant height, the components of yield and yield in a diallel cross at Pendleton, Oregon and Lind, Washington. An additional parent was added to the diallel cross at Pullman, Washington. Two levels of nitrogen and five replications were utilized at each of the locations....
Resource Type:: Dissertation
Full Text:: 9. 80 D-G 6.67 C -F High 1 62.1 D-I 6.84 A-C 27.85 B-J 1 2. 24 I-L 2.27 A-E 37.67 A-E 189.27 A -B

ScholarsArchive@OSU

Evaluation of nutritional qualities of common ryegrass screenings

Effects of mineral nutrition on development of crown gall caused by Agrobacterium tumefaciens

Groundsurfaces and soils in the Willamette Valley, Oregon

Selective inhibition of ion absorption by uranyl

The effect of selected potassium salts on the availability of soil manganese

Hydrolysis and biological degradation of atrazine in soils

Seasonal cattle and sheep diets on Festuca arundinacea-Trifolium subterraneum and Lolium perenne-Trifolium subterraneum pastures in western Oregon

Forest associations and secondary plant succession in the southern Oregon coastal range

An experimental investigation of combustion products through a flat, laminar, pre-mixed hydrocarbon-air flame

Genotype-environment interaction in winter wheat F₁ progeny

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