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Thermal characteristics of Douglas-fir bark fiber 25⁰ to 250⁰C

Creator:: Short, Paul Henry
Resource Type:: Dissertation

The relationship of the survival of Douglas-fir, Pseudotsuga menziesii (Mirb.) Franco, seedlings to certain soil and other site characteristics on the Tillamook Burn

Creator:: Lowry, Gerald L., 1928-
Resource Type:: Masters Thesis
Full Text:: the degree of MASTER OF SCIENCE June 1955 .r E E I t qE T T )a ll ri'-. n* raI[$ l'! F P

Characterization of lignocellulose decomposition in stream wood samples using ¹⁴C and ¹⁵N techniques

Creator:: Aumen, Nicholas G.
Resource Type:: Dissertation
Full Text:: stream wood samples using ¹⁴C and ¹⁵N techniques AN ABSTRACT OF THE THESIS OF Nicholas G. Aumen for

Silvicultural impacts of sheep grazing in Oregon's Coast Range

Creator:: Leininger, Wayne C.
Abstract:: A three-year investigation was conducted during 1980-1982 to evaluate the potential of using herded sheep as a silvicultural tool to suppress brush in Douglas-fir (Pseudotsuga menziesii) plantations of Oregon's Coast Range. Sheep browsing of Douglas-fir was highest in May soon after bud break. Averaged over the 2 years of grazing,...
Resource Type:: Dissertation
Full Text:: of Gr to bcnool Date thesis is presented November 28, 1983 Typed by Dana Lynn Leininger for Wayne C

The valuation and use of site information for Douglas-fir reforestation in Western Oregon : a decision analysis

Creator:: Schöne, Dieter Hans-Friedrich
Abstract:: Existing forest site maps have been described as "invaluable tools" in forest management. Their, economic value potentially materializes as the summed advantage from better decisions in all phases of forestry. Via Bayesian decision analysis, this study establishes optimal use and economic value of site information for one facet of management...
Resource Type:: Dissertation

Extraction and properties of Douglas-fir sapwood polyphenol oxidase

Creator:: Musbah, Durria Abdel Azim
Abstract:: Chemical stains that develop on commercial woods are problems of great economic importance. The polyphenol oxidases catalyze the oxidation of the phenolics that naturally exist in plants to quinones when the cell structure is disrupted. The quinones produced are further oxidized and polymerized to melanin, the pigment which is responsible...
Resource Type:: Dissertation
Full Text:: Properties of Douglas-fir Sapwood Polyphenol Oxidase Abstract approved:2'A Dr. Murray L. Laver structure is

The effects of mycorrhizal colonization and phosphorus fertilization on Douglas-fir seedling growth, morphology, and photosynthesis

Creator:: Black, C. H. (Charles H.)
Resource Type:: Dissertation
Full Text:: plant microbial associations. Science 213:473-474. Parke, J. L., R. G. Linderman, and C. H. Black. 1983

Effect of snowbrush on the establishment and growth of Douglas-fir seedlings

Creator:: Scott, William
Abstract:: Six, recent clear cut areas were selected in the Douglas-fir zone of the Western Cascade Range of Oregon to determine the environmental and nutritional effects that snowbrush has on the establishment and growth of Douglas-fir seedlings. One thousand eighty milacre sample plots on the six clear cuts were used to...
Resource Type:: Masters Thesis
Full Text:: Donna L. Olson for William Scott ACKNOWLEDGMENT The author wishes to express his gratitude to his

A study of several anatomical variables in relation to their effect on tensile strength of Douglas-fir

Creator:: McMinimy, Lawrence Otto
Abstract:: A microscopic study was conducted on specific gravity wafers taken from standard tensile strength specimens of young growth Douglas-fir. Samples were studied to determine the effect of variables such as percent summerwood, fiber length and fibril angle on tensile strength of Douglas-fir. The sample specimens were picked so effects of...
Resource Type:: Masters Thesis
Full Text:: wishes to thank Dr. M. I). MeKimmy and A. C. Van Vitet for their sU5geattons and guidance which helped

Root initiation and elongation in Douglas-fir, Pseudotsuga menziesii (Mirb.) franco, stem cuttings as related to bud and cambial activity

Creator:: Bhella, Harbans Singh
Abstract:: The relation of bud and cambial activity to root initiation and elongation in Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) stem cuttings was studied through two successive growth cycles. Stem cuttings of current season's growth were taken periodically from field-grown Douglas-fir trees to determine: (1) origin and development of root initials; and...
Resource Type:: Dissertation
Full Text:: better under 26 (12.95%) and 18 C (11.91%) rooting medium temperatures than under 10 C (1. 13

ScholarsArchive@OSU

Thermal characteristics of Douglas-fir bark fiber 25⁰ to 250⁰C

The relationship of the survival of Douglas-fir, Pseudotsuga menziesii (Mirb.) Franco, seedlings to certain soil and other site characteristics on the Tillamook Burn

Characterization of lignocellulose decomposition in stream wood samples using ¹⁴C and ¹⁵N techniques

Silvicultural impacts of sheep grazing in Oregon's Coast Range

The valuation and use of site information for Douglas-fir reforestation in Western Oregon : a decision analysis

Extraction and properties of Douglas-fir sapwood polyphenol oxidase

The effects of mycorrhizal colonization and phosphorus fertilization on Douglas-fir seedling growth, morphology, and photosynthesis

Effect of snowbrush on the establishment and growth of Douglas-fir seedlings

A study of several anatomical variables in relation to their effect on tensile strength of Douglas-fir

Root initiation and elongation in Douglas-fir, Pseudotsuga menziesii (Mirb.) franco, stem cuttings as related to bud and cambial activity

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