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Creator:: Crouch, Glenn Leroy, 1929-
Abstract:: The main objective of this investigation was to evaluate relationships between the production and utilization of forage and deer browsing of hand-planted Douglas-fir seedlings. A secondary purpose was to study some effects of selected physical and biological site factors on the survival and growth of fir seedlings. Field work was...
Resource Type:: Dissertation

Creator:: Thomas, Byron R.
Abstract:: Relationships between soil-water stress and plant-moisture stress were studied with respect to soil classification and cambial activity in Douglas-fir. The study sites were forested with Douglas-fir and located in McDonald Forest and near Marys Peak in the Oregon Coast Range. Soil-water depletion was followed by the use of gypsum blocks...
Resource Type:: Dissertation
Full Text:: implementation of this study. Acknowledgments a r e also made to Drs. J. K. Munford, W. W. Chilcote, R. Garren

Creator:: Black, Darvil Kim
Resource Type:: Dissertation
Full Text:: Graduate Committee: Drs. W. W. Chilcote, T. C. Moore, S. E. Williamson, and D. P

Creator:: Groman, William A.
Abstract:: An understanding of the dynamics of individual tree and stand growth, development, and structural patterns during the immature formative years of a commercial species is essential to determine correct thinning practices necessary to attain desired objectives. This study compared a natural, medium-site Douglas-fir stand and an adjacent similar stand released...
Resource Type:: Dissertation

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