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An econometric analysis of demand and supply relationships in the Douglas fir plywood industry

Creator:: Simpson, Robert Sanford
Resource Type:: Masters Thesis
Full Text:: Douglas fir plywood 79 6 Estimated and real values of variables during selected periods 79 7

Botrytis infection of Douglas-fir seedlings and its control with thiram

Creator:: Halber, Max
Resource Type:: Masters Thesis
Full Text:: tree nursery stock. Washington, D.C. 1942. 79 p. (Forestry Publication No. 9) 4. Fawcett, C. H., D

Certain factors affecting establishment of the Douglas fir (Pseudotsuga taxifolia (Lamb.) Britt.) seedlings

Creator:: Owen, Herbert Elmer, 1925-
Resource Type:: Masters Thesis
Full Text:: 72 105 41 159 36 Grass 79 / 70 /60 /.50 /40 'jo fo k' I/O '/00 -9O oo 70

Chemical suppression of a perennial ryegrass (Lolium perenne) living mulch and influence of ground cover management on growth of 'Chardonnay' wine grapes (Vitis vinifera) and Douglas fir Christmas trees (Pseudotsuga menziesii)

Creator:: Brenner, Loretta K.
Resource Type:: Masters Thesis
Full Text:: Crop Growth 75 1. Wine grape growth - 1985 and 1986 75 2. Christmas tree growth - 1985 and 1986..79

Comparative rates of CO₂ production from the forest floor in the Douglas-fir ecosystem

Creator:: Phillips, Michael John
Abstract:: To obtain data on the decomposition of the forest floor, a battery operated electrolytic respirometer was developed making it possible to measure CO₂ evolution from field moist forest floor samples in situ independent of root respiration. Banks of four respirometers powered by two 12-volt batteries were installed in three old...
Resource Type:: Masters Thesis
Full Text:: from forest communities under laboratory conditions. 78 79 80 81 86 87 90 91 92 COMPARATIVE

Douglas fir double grain lumber

Creator:: Ward, Vincent D.
Resource Type:: Undergraduate Thesis
Full Text:: - Maniifact,ure - 29 HIStOrV - 79 Pe1er lo°s - - Bucki.n and Bar1dnr - fi) Index Manufectiive

Effect of light quality and periodicity upon germination of Douglas-fir seed (Pseudotsuga menziesii (Mirb.) Franco) and on growth of Douglas-fir seedlings

Creator:: Johnson, Le Roy Curtis
Abstract:: A study on the effects of light quality and periodicity on the germination of Douglas-fir seed and the growth of Douglas-fir seedlings was conducted. Interest was focused on responses that could be measured and observed without biochemical assay. It was found that .Douglas-fir seed,s would respond to red-light treatments by...
Resource Type:: Masters Thesis
Full Text:: EXPERIMENT I. 79 XIII SEEDLING EXPERIMENT II 80 XIV SEEDLING EXPERIMENT III . 81 XV SEEDLING EXPERIMENT IV

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

Effect of thinning and fertilization on wood properties and intra-ring characteristics in young Douglas-fir

Creator:: Bodner, Josef
Abstract:: The purpose of this study was to determine if thinning, fertilization or a combination of thinning and fertilization had an effect on overall average specific gravity, modulus of elasticity, modulus of rupture, fiber length and intra-ring characteristics. Material for this experiment consisted of 7 trees randomly selected from each of...
Resource Type:: Masters Thesis
Full Text:: Treatments on Latewood Density 74 Effects of Treatments on Ring Density 79 Effects of Treatments on Minimum

Forest planting in the Douglas-fir region

Creator:: Kum̈mel, Julius Frank, Rindt, Charles A., 1903-, Munger, Thornton T. (Thornton Taft), 1883-, and United States. Forest Service
Resource Type:: Other
Full Text:: , INTRODUCTION ----------- -- - ° - -m 'Scope of This Bulletin - - - _ _ _ - - _ - - - - - - - - 1 Place of

ScholarsArchive@OSU

An econometric analysis of demand and supply relationships in the Douglas fir plywood industry

Botrytis infection of Douglas-fir seedlings and its control with thiram

Certain factors affecting establishment of the Douglas fir (Pseudotsuga taxifolia (Lamb.) Britt.) seedlings

Chemical suppression of a perennial ryegrass (Lolium perenne) living mulch and influence of ground cover management on growth of 'Chardonnay' wine grapes (Vitis vinifera) and Douglas fir Christmas trees (Pseudotsuga menziesii)

Comparative rates of CO₂ production from the forest floor in the Douglas-fir ecosystem

Douglas fir double grain lumber

Effect of light quality and periodicity upon germination of Douglas-fir seed (Pseudotsuga menziesii (Mirb.) Franco) and on growth of Douglas-fir seedlings

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

Effect of thinning and fertilization on wood properties and intra-ring characteristics in young Douglas-fir

Forest planting in the Douglas-fir region

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