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Filtering by: In Series Research paper PNW Remove constraint In Series: Research paper PNW Academic Affiliation College of Forestry Remove constraint Academic Affiliation: College of Forestry Creator Oregon State University. Forest Research Laboratory Remove constraint Creator: Oregon State University. Forest Research Laboratory

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Equations for predicting the 5-year height growth of six conifer species in southwest Oregon

Creator:

Ritchie, Martin W., Hann, David W., and Oregon State University. Forest Research Laboratory

Abstract:

Equations for predicting individual-tree height growth per 5-year period are presented for Douglas-fir, white fir, grand fir, ponderosa pine, sugar pine, and incense-cedar growing in the mixed-conifer zone of southwest Oregon. The data used to develop the equations came from 3,648 trees sampled from 391 stands in the study area....

Resource Type:

Research Paper

Full Text:

Research Paper 54 March 1990 Equations for Predicting
Controlling sapstain : trial of strong stain-preventive solutions on selected western softwoods in storage prolonged for 12 months

Creator:

Miller, Donald J. (Donald James) and Oregon State University. Forest Research Laboratory

Abstract:

Environmental restrictions have induced many sawmills to seek alternatives to pentachiorophenol (penta) and similar chlorinated phenols for controlling mold and fungal stains on green lumber during storage and shipment. For that purpose, ten alternative stain preventives were evaluated against a traditional penta product (Permatox 101) on studs of Douglas-fir [Pseudotsuga...

Resource Type:

Technical Report

Full Text:

Indus- try, the scientific community. and the general public. As a research paper, this publication is
Equations for predicting the height to crown base of six tree species in the central western Willamette Valley of Oregon

Creator:

Zumrawi, Abdel Azim M. A., Hann, David W., and Oregon State University. Forest Research Laboratory

Abstract:

This paper presents equations developed to predict the height to live crown base of six species in the central western Willamette Valley of Oregon. Weighted nonlinear regression was used to fit a separate logistic equation for each species. The predictor variables are total tree height, crown competition factor in trees...

Resource Type:

Research Paper

Full Text:

Research Paper 52 March 1989 Unbound issue Does not
Equations for predicting height to crown base for fourteen tree species in southwest Oregon

Creator:

Ritchie, Martin W., Hann, David W., and Oregon State University. Forest Research Laboratory

Abstract:

Equations are presented for predicting height to crown base (or bole ratio) for fourteen species of trees common to the mixed-conifer zone of southwest Oregon. Nonlinear regression was used to fit a weighted logistic function for each species. The independent variables include height, crown competition factor in larger trees, stand...

Resource Type:

Research Paper

Full Text:

Research Paper 50 March 1987 SD X54 Unbound issue 1
Height-diameter equations for seventeen tree species in southwest Oregon

Creator:

Larsen, David R., Hann, David W., and Oregon State University. Forest Research Laboratory

Abstract:

Equations for predicting total height as a function of diameter at breast height are presented for 17 tree species from southwest Oregon. Because basal area and site index often influence tree height, additional equations are presented which may include either or both of these as independent variables. Equation coefficients were...

Resource Type:

Technical Report

Full Text:

Research Paper 49 January 1987 SD a5q -07173 Unbound
Service life of treated and untreated fence posts : 1985 post-farm report

Creator:

Miller, Donald James and Oregon State University. Forest Research Laboratory

Resource Type:

Technical Report

Full Text:

industry, the scientific com- munity, and the general public. As a research paper, this publication is one
Nonlinear equations for predicting diameter and squared diameter inside bark at breast height for Douglas-fir

Creator:

Ritchie, Martin W., Hann, David W., and Oregon State University. Forest Research Laboratory

Resource Type:

Technical Report

Full Text:

Research Paper 47 SD The Forest Research Laboratory of Oregon State University was established by the
Environment and shoot growth of woody plants

Creator:

Lavender, Denis P. and Oregon State University. Forest Research Laboratory

Abstract:

Perennial woody plants have a complex annual cycle keyed to the environment. Temperate plants have an annual dormant period commonly broken by exposure to low temperatures, although daily photoperiods of 16 hours or longer may partially substitute for the chilling. Shoot growth in the spring is normally stimulated by rising...

Resource Type:

Technical Report

Full Text:

and Industry, and to the general public. As a RESEARCH PAPER, this publication Is one of series that
Equations for estimating biomass and leaf area of plants in the Pacific Northwest

Creator:

Oregon State University. Forest Research Laboratory, Gholz, Henry L., Grier, C. C., Campbell, A. G., and Brown, A. T.

Abstract:

Reliable estimates of plant biomass and leaf surface area are essential for studying primary production, nutrient cycling, hydrology, wildlife management, and fire. This paper presents equations that can be used to make such estimates for most plant species-trees, shrubs, and herbs-dominant in western and central Oregon.' We also document the...

Resource Type:

Technical Report

Full Text:

industry, and to the general public. As a research paper, this publication is one of a series that
Two thinnings of douglas-fir with crawler tractors : time differences

Creator:

Kangur, Rudolf and Oregon State University. Forest Research Laboratory

Abstract:

Two intermediate cuttings were made in a Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) stand on the Wilark forest management research area in northwestern Oregon. Age of trees in the stand varied from 47 to 62 years at the first cutting. Crawler tractors were used in both extractions. In the first cutting,...

Resource Type:

Technical Report

Full Text:

ith Crawler Tractors: Rudolf Kongur Research Paper 7

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Academic Affiliation

College of Forestry[remove]46

Creator

Oregon State University. Forest Research Laboratory[remove]46
Hann, David W.5
Hermann, Richard K.5
Lavender, Denis P.5
Newton, Michael, 1932 4
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Current results range from 1965 to 1990

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1990-19992
1980-19898
1970-197928
1960-19698

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application/pdf46

Language

English [eng]46

Resource Type

Technical Report43
Research Paper3

Rights Statement

Copyright Not Evaluated46

Subject

Douglas fir -- Seedlings3
Reforestation -- Oregon3
Crawler tractors -- Oregon2
Douglas fir -- Bibliography2
Douglas fir -- Harvesting -- Oregon2
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