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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:: . C. E. Warren, W. W. Chilcote, and C. E. Poulton, for critically review- ing the manuscript; to

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

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

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