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Oregon State University Research Forests Research Projects
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Project Start Year
Project Categories
4 records found

Spray herbicides prior to regeneration harvest of Douglas-fir

Purpose

Nursery Seedling Survival

Project Start Date
 
Project End Date
 
Related Publications
Duryea, M.L. , and D.P. Lavender. Water Relations, Growth, and Survival of Root-Wrenched Douglas-fir Seedlings. Canadian Journal of Forest Res 12 (3):545-555. 1982
Project Categories
  • Trees
  • Seed Viability
Keywords
  • spray
  • spraying
  • herbicide
  • herbicides
  • regeneration
  • harvest
  • harvests
  • post
  • douglas-fir
  • douglas fir
  • pseudotsuga menziesii
  • nursery
  • nurseries
  • seedling
  • seedlings
  • survival
  • mortality
  • Mary Duryea
Additional Information
Currently Active
No
Agency
N/A
Project Type
Research
Research Forest
N/A
Researcher
Duryea, Mary L.
Role
C
Collaborators
N/A
Debug Fields
Fields that will be removed when going live.
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170
Project ID
170

The Use of Herbicides for Brush Control Prior to Regeneration Harvest of Douglas-fir

Purpose

Aerial spray areas with herbicides and follow-up with a final harvest and planting of 2-0 Douglas-fir as in a normal operation.

Project Start Date
1977-09-01
Project End Date
1981-12-31
Related Publications
N/A
Project Categories
  • Forest Management
  • Chemical Control
Keywords
  • herbicide
  • herbicides
  • brush
  • control
  • controlling
  • regen
  • regeneration
  • harvest
  • harvests
  • Douglas-fir
  • Douglas fir
  • Pseudotsuga menziesii
  • spray
  • spraying
  • reforestation
  • 2-0
  • Michael Newton
  • Marvin Rowley
Additional Information
Currently Active
No
Agency
OSU
Project Type
Research
Research Forest
N/A
Researcher
Newton, Michael
Role
C
Collaborators
Rowley, Marvin
Debug Fields
Fields that will be removed when going live.
Import Unique ID
125
Project ID
125

Thinning Costs in Douglas-fir Plantations

Purpose

Determine the production costs for each phase of the harvesting activity. Compare the diaganol extraction pattern treatment with the random extraction treatment.

Project Start Date
1990-07-01
Project End Date
1990-09-01
Related Publications
N/A
Project Categories
  • Forest Management
  • Thinning
Keywords
  • Thin
  • Thinning
  • Thinned
  • Douglas-fir
  • douglas fir
  • pseudotsuga menziesii
  • plantation
  • plantations
  • harvest
  • harvests
  • harvesting
  • production
  • cost
  • costs
  • diagonal
  • extraction
  • economics
  • economic
  • Eldon Olsen
  • Loren Kellogg
Additional Information
Currently Active
No
Agency
OSU
Project Type
Research
Research Forest
N/A
Researcher
Olsen, Eldon
Role
PI
Collaborators
Kellogg, Loren
Debug Fields
Fields that will be removed when going live.
Import Unique ID
282
Project ID
282

Volatile compounds in Douglas-fir logs cut during different seasons

Purpose

To establish a relationship between volatiles emitted from downed logs and the attack of ambrosia beetles. The study plan calls for the establishment of two log treatments in the fall. In fall, winter ,spring, and summer six logs with live ploem will b

Project Start Date
1991-09-23
Project End Date
1992-09-30
Related Publications
N/A
Project Categories
  • Forest Management
  • Slash & Decomposition
Keywords
  • Volatile
  • compound
  • compounds
  • douglas-fir
  • douglas fir
  • pseudotsuga menziesii
  • log
  • logs
  • cut
  • cutting
  • harvest
  • harvests
  • logging
  • downed
  • wood
  • ambrosia beetle
  • beetles
  • decay
  • decaying
  • volatiles
  • phloem
  • Rick Kelsey
Additional Information
Currently Active
No
Agency
OSU
Project Type
Research
Research Forest
N/A
Researcher
Kelsey, Rick
Role
C
Collaborators
N/A
Debug Fields
Fields that will be removed when going live.
Import Unique ID
296
Project ID
296

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