Index Catalog // ScholarsArchive@OSU

Effects of seeding and grazing on a clearcut-burn in a mixed-coniferous forest stand of the Wallowa mountain foothills

Creator:: Pettit, Russell Dean
Abstract:: Research was conducted in a mixed-coniferous forest stand that was clearcut, burned, and seeded in order to study early plant succession, grazing influences on native and introduced species, big game use, and environmental relationships vegetation, animal, and environmental research was carried out from 1965 to 1967 in three, five-acre exclosures...
Resource Type:: Dissertation
Full Text:: WALLOWA MOUNTAIN T'OOTHILLS Abstracr approved , Dr. D. W. Hedrick Research was conducted in a mixed

Influence of range improvement practices on composition, production, and utilization of Artemisia deer winter range in central Oregon

Creator:: Urness, Philip J.
Abstract:: Recent emphasis on range improvement of sagebrush-bunch-grass types in Oregon has underscored the need for better understanding of their importance to deer winter range management. The objectives of this study were to evaluate the impact of various sagebrush control practices on the composition, production, and utilization of deer forage plants...
Resource Type:: Dissertation
Full Text:: extended to Dr. D. W. Hedrick who, as major profes- sor, has been exceedingly helpful in directing my

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:: presented January 19, 1966 Typed by Marcia Ten Eyck bT ACKNOWLEDGEMENT Dr. D. W. Hedrick has been

Methodology for cuticular identification of selected eastern Oregon range plants

Creator:: Schrumpf, Barry J.
Abstract:: Animal dietary preferences have been studied by feeding-site examinations, animal observation, and stomach and esophageal collections. Analysis of fecal material for undigested plant cuticle is another means for obtaining the same information. This study was conducted to: (1) prepare a microscope slide series depicting the surface features of leaves and...
Resource Type:: Masters Thesis
Full Text:: approved: Redacted for privacy D. W. Hedrick Animal dietary preferences have been studied by feeding

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:: his sincere gratitude to Dr. D. W, Hedrick, Major Professor, for his great help, guidance and

The seasonal yield and nutrient content of native forage species in relation to their synecology

Creator:: Walton, Richard Lee
Resource Type:: Masters Thesis
Full Text:: Hedrick by Date thesis is presented June 23, 1961 Typed. by Claire Waisted ¿4 }LJ9 The writer w

Forage production and utilization in a mixed conifer forest in the Wallowa Mountain foothills

Creator:: Young, James A. (James Albert), 1937-
Abstract:: This investigation was undertaken to characterize and evaluate the forage production and utilization of the successional vegetation of the mixed conifer forest. Field studies were carried out during the summers of 1962 through 1964 at the Eastern Oregon Experiment Station Hall Ranch which is located 12 miles southeast of Union,...
Resource Type:: Dissertation
Full Text:: The writer expresses appreciation to Dr. D. W. Hedrick for his encouragement, friendly advice, and

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:: invaluable guidance and encouragernent given by rny major professor, Dr. Donald 'ilrl. Hedrick. A word of

Clipping treatments on tall fescue

Creator:: Hedrick, Donald W.
Abstract:: One of the problems facing sheepmen on the nonirrigated pastures of western Oregon, particularly in the foothills surrounding the Willamette Valley, is the lack of succulent green pasture growth during the late summer breeding season. If early spring lambs are being produced, ewes must be bred in August and September...
Resource Type:: Technical Report
Full Text:: Corvaliis Clipping Treatments on Tall Fescue D. W. Hedrick* One of the problems facing sheepmen on the

Overstory-understory grass seedings on sagebrush-bunchgrass range

Creator:: Hedrick, Donald W.
Abstract:: "Crested wheatgrass, beardless wheatgrass, and big bluegrass were seeded as overstory grasses. Streambank wheatgrass, canby bluegrass, bulbous bluegrass, and Ladak alfalfa were seeded as companion species. Pure and mixed stands were seeded on sagebrush-bunchgrass range in eastern Oregon to compare yield and competitiveness. The grasses were planted in 1956, 1957,...
Resource Type:: Technical Report
Full Text:: -BUNCHGRASS RANGE Agricultural Experiment Station Oregon State University Corvallis AUTHORS: D. W. Hedrick

ScholarsArchive@OSU

Effects of seeding and grazing on a clearcut-burn in a mixed-coniferous forest stand of the Wallowa mountain foothills

Influence of range improvement practices on composition, production, and utilization of Artemisia deer winter range in central Oregon

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

Methodology for cuticular identification of selected eastern Oregon range plants

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

The seasonal yield and nutrient content of native forage species in relation to their synecology

Forage production and utilization in a mixed conifer forest in the Wallowa Mountain foothills

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

Clipping treatments on tall fescue

Overstory-understory grass seedings on sagebrush-bunchgrass range

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