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3 records found

Light in Relation to the Growth of Douglas-fir

Purpose

Determine which intensity of light is optimum for the growth of different species of trees.

Project Start Date
 
Project End Date
1926-01-01
Related Publications
Hawkins, Leroy. Light in Relation to the Growth of Douglas-fir. Report, 1926, Oregon State College, School of Forestry, Corvallis, Oregon.
Project Categories
  • Trees
  • Growth & Yield
Keywords
  • light
  • light relation
  • light intensity
  • tree growth
  • optimal growth
  • various species
  • photosynthesis
  • Leroy Hawkins
  • intensity
Additional Information
Currently Active
No
Agency
OSC- Forestry
Project Type
Research
Research Forest
N/A
Researcher
Hawkins, Leroy
Role
PI
Collaborators
N/A
Debug Fields
Fields that will be removed when going live.
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2
Project ID
2

Comparison Between the Growing Seasons of Western Yellow Pine and Douglas-fir

Purpose

Measurements of the height growth made by 40 seedlings which were 5 years old, 20 Douglas-fir, 20 Western Yellow Pine

Project Start Date
1925-04-16
Project End Date
1926-08-06
Related Publications
McGuire, K.B. Comparison Between the Growing Seasons of Western Yellow Pine and Douglas-fir. Senior Thesis, August 1926, Oregon State College, School of Forestry.
Project Categories
  • Trees
  • Growth & Yield
Keywords
  • Western Yellow Pine
  • Growing Season
  • Growing seasons
  • comparison
  • Douglas fir
  • Douglas-fir
  • Pseudotsuga menziesii
  • Ponderosa pine
  • Pinus ponderosa
  • Douglas
  • tree growth
  • seedling growth
  • McGuire
Additional Information
Currently Active
No
Agency
OSC- School of Forestry
Project Type
Research
Research Forest
N/A
Researcher
McGuire, K.B.
Role
PI
Collaborators
N/A
Debug Fields
Fields that will be removed when going live.
Import Unique ID
1
Project ID
1

Regional Races of Ponderosa Pine

Purpose

The area was planted to Ponderosa Pine from 10 regional seed sources in 1928. Measurements and plantations upkeep is done at 10 year intervals. The last mortality check was made in 1981 and another measurement is planned for 1986.

Project Start Date
1928-01-01
Project End Date
1999-12-31
Related Publications
N/A
Project Categories
  • Seed Viability
Keywords
  • Genetics
  • ponderosa pine
  • pinus ponderosa
  • seed sources
  • races
  • seed sourcing
  • western yellow pine
  • western yellow
  • tree growth
  • Roy Silen
  • Adams
  • Silen
Additional Information
Currently Active
Yes
Agency
USDA
Project Type
Research
Research Forest
N/A
Researcher
Adams, W.T.
Role
C
Collaborators
Silen, Roy R.; Howe, Glenn
Debug Fields
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4
Project ID
4

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