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Filtering by: Publisher Forest Service Remove constraint Publisher: Forest Service License Public Domain Mark 1.0 Remove constraint License: Public Domain Mark 1.0

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Relationship Between Specific Gravity and Percentage of Summerwood in Wide-Ringed, Second-Growth Douglas-Fir

Creator:

Smith, Diana M.

Abstract:

For the sample of wide-ringed Douglas-fir discussed in this report, the relationship between specific gravity and percentage of summerwood is linear over a range of 16 to 60 percent summerwood content of the annual ring. The specific gravity of the summerwood and springwood portions of 96 dissected annual rings is...

Resource Type:

Technical Report

Full Text:

DIANA M. SMITH, Technologist Forest Products Laboratory,� Forest Service U. S. Department of
Reduction in growth of pole-sized Ponderosa pine related to a Pandora moth outbreak in central Oregon

Creator:

Cochran, P. H.

Abstract:

A pandora moth (Coloradia pandora Blake) outbreak began in 1991 in a ponderosa pine (Pinus ponderosa Dougl. ex. Laws) spacing study area that also included scattered sugar pine (P. lambertiana Dougl). The relation of defoliation to five tree spacings (with and without understory vegetation) was examined, and stand growth reduction...

Resource Type:

Technical Report
Effect of partial hydrolysis on the alkali solubility of wood

Creator:

Forest Products Laboratory (U.S.), Hawley, L. F. (Lee Fred), 1882-1959, and Campbell, William George

Abstract:

Published in Industrial & Engineering Chemistry, June 1927.

Resource Type:

Technical Report

Full Text:

U. S. Department of Agriculture, Forest Service a 4.3 /// / FOREST
Change in moisture content of lumber during rail shipment

Creator:

Forest Products Laboratory (U.S.) and French, George E. (George Ernest)

Resource Type:

Technical Report

Full Text:

Laboratory and of the Forest Service district products office, Missoula, Mont . , early in 1926 determined
Ball mill method for determining maximum strength of pulps

Creator:

Forest Products Laboratory (U.S.)

Resource Type:

Technical Report

Full Text:

U 5 /nd , Jc U. S. Department of Agriculture, Forest Service FOREST

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Creator

Forest Products Laboratory (U.S.)3
Campbell, William George1
Cochran, P. H.1
French, George E. (George Ernest)1
Hawley, L. F. (Lee Fred), 1882 19591
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Forest Products Laboratory (U.S.)1

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Current results range from 1927 to 1998

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1990-19991
1950-19591
1920-19293

File Format

application/pdf4

Language

English [eng]5

License

Public Domain Mark 1.0[remove]5

Non-Academic Affiliation

Oregon Explorer1

Peer Reviewed

No2

Resource Type

Technical Report5

Rights Statement

No Copyright - United States4
No Known Copyright1

Subject

Douglas fir1
Forest products1
Hydrolysis1
Lumber -- Moisture1
Ponderosa pine -- Diseases and pests -- Oregon1
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