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A preliminary phytochemical investigation of Ephedra viridis Coville found in Oregon

Creator:: Aragones, Erlinda Negre
Abstract:: A species of Ephedra found in southeastern Oregon, identified as Ephedra viridis Coville is reported of medicinal value among the American Indian tribes and other dwellers of that locality in various affections such as venereal diseases, kidney and bladder disturbances, in stomach ulcers and abdominal pains, in delayed menstruation, as...
Resource Type:: Masters Thesis

A study of seasonal variation of the composition of forage plants of southeastern Oregon

Creator:: Jensen, Horace
Resource Type:: Masters Thesis
Full Text:: plants of southeastern Oregon (Nam) AN ABSTRACT OF THE THESIS OF Animal Huabandi'y - for (Degree

Some factors affecting the establishment and growth of improved forage species on Laughlin-like soils in western Oregon

Creator:: Valassis, Vlassios Thomas
Resource Type:: Dissertation
Full Text:: improved forage species on Laughlin-like soils in Western Oregon SOME FACTORS A'FECTING THE ESTABLISHMENT

The seasonal yield, quality, and utilization of Trifolium subterraneum in mixture with festuca arundinacea and Lolium perenne in western Oregon

Creator:: Sanders, Kenneth D. (Kenneth Dwayne), 1940-
Abstract:: In 1959, a large scale grazing study in western Oregon was initiated to compare the value of perennial ryegrass (Lolium perenne L.) with subclover (Trifolium subterraneum L.) and tall fescue (Festuca arundinacea Schreb.) with subclover, and to evaluate common use grazing on them. The present investigation was undertaken to determine...
Resource Type:: Masters Thesis
Full Text:: AND LOLIUM PERENNE IN WESTERN OREGON Abstract approve (Ma3or Professor) In 1959, a large scale

Hydro-Electric Power Plant

Creator:: Worstell, Ralph and Zimmerman, Henry Roderick
Abstract:: The data used in the design of this hydro-electric generating station was furnished by Hon. Walter M. Pierce from a survey conducted by T. R. Barry C. E. in the service of the Grande Ronde Water Co. during the summer of 1906. In the preparation of this thesis there were...
Resource Type:: Undergraduate Thesis
Full Text:: Hydro-electric power plant T H E S I S ex HYDRO

The relation of time and the water table to plant distribution on deflation plains along the central Oregon coast

Creator:: Newman, Kenneth Winston
Resource Type:: Masters Thesis
Full Text:: RELATION OF TIME AND THE WATER TABLE TO PLANT DISTRIBUTION ON DEFLATION PLAINS ALONG THE CENTRAL OREGON

A systematic and ecological study of Astragalus diaphanus (Fabaceae)

Creator:: Wright, Carolyn E.
Abstract:: Astragalus diaphanus is a rare plant endemic to the John Day River drainage of north-central Oregon. This species has several interesting features, including the dimorphism of its fruit and its geographical isolation from the two nearest taxonomically related species, which occur in Colorado. This study addressed the species' distribution and...
Resource Type:: Masters Thesis
Full Text:: diaphanus is a rare plant endemic to the John Day River drainage of north-central Oregon. This species has

Plant communities and succession in Oregon coastal salt marshes

Creator:: Jefferson, Carol A.
Abstract:: The purpose of this study was to determine plant species composition, community structure, successional relationships, vegetational development and plant distributions in estuarine salt marshes on the Pacific Coast of Oregon. Quadrat and transect samples of plant presence and cover, collected from April 1971 - June 1974, were subjected to phytosociological...
Resource Type:: Dissertation
Full Text:: (Major Dept.) (Date) Title: PLANT COMMUNITIES AND SUCCESSION IN OREGON COASTAL SALT MARSHES Abstract

Vegetation changes of communities containing medusahead (Taeniatherum asperum (Sim.) Nevski) following herbicide, grazing, and mowing treatments

Creator:: Turner, Robert Bruce
Abstract:: Studies were conducted from 1962 to 1966 to investigate the effectiveness of several practices in manipulating medusahead (Taeniatherum asperum (Sim. ) Nevski) infested and/or dominated ecosystems by releasing competition in favor of perennial grasses. Several herbicide treatments were evaluated for selective control of medusahead and cheatgrass (Bromus tectorum L. )...
Resource Type:: Dissertation
Full Text:: River hills of eastern Oregon. On foothill range in western Oregon, sheep grazing and mow- ing

The effect of grazing interval on forage quality and production of meadow foxtail

Creator:: Wenick, Jess J.
Abstract:: For the last fifty years, meadow foxtail (Alopecurus pratensis L.) has been invading native flood meadows throughout the Harney Basin in southeastern Oregon. The expansion of this grass species has been the result of its broad climatic requirements and ability to withstand drought while thriving in saturated soil conditions for...
Resource Type:: Masters Thesis
Full Text:: Burns Oregon, were different in plant composition than they are today. In studies done by Cooper (1956

ScholarsArchive@OSU

A preliminary phytochemical investigation of Ephedra viridis Coville found in Oregon

A study of seasonal variation of the composition of forage plants of southeastern Oregon

Some factors affecting the establishment and growth of improved forage species on Laughlin-like soils in western Oregon

The seasonal yield, quality, and utilization of Trifolium subterraneum in mixture with festuca arundinacea and Lolium perenne in western Oregon

Hydro-Electric Power Plant

The relation of time and the water table to plant distribution on deflation plains along the central Oregon coast

A systematic and ecological study of Astragalus diaphanus (Fabaceae)

Plant communities and succession in Oregon coastal salt marshes

Vegetation changes of communities containing medusahead (Taeniatherum asperum (Sim.) Nevski) following herbicide, grazing, and mowing treatments

The effect of grazing interval on forage quality and production of meadow foxtail

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