Robert O Curtis

1) Levels-of-growing-stock cooperative study in Douglas-fir: report no. 14-Stampede Creek, 30-year results

Author
Curtis, Robert O
Series
Research paper PNW volume 543
Publisher
U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Pub. Date
[2002]
Language
English

2) Levels-of-growing-stock cooperative study in Douglas-fir: report no. 19--the Iron Creek study, 1966-2006

Author
Curtis, Robert O
Series
Research paper PNW volume 580
Publisher
United States Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Pub. Date
[2009]
Language
English

3) Permanent-plot procedures for silvicultural and yield research

Author
Curtis, Robert O
Series
General technical report PNW volume 634
Publisher
U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Pub. Date
[2005]
Language
English

4) True fir-hemlock spacing trials: design and first results

Author
Curtis, Robert O
Series
General technical report PNW volume 492
Publisher
U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Pub. Date
[2000]
Language
English

5) True fir spacing trials: 10-year results

Author
Curtis, Robert O
Series
General technical report PNW volume 749
Publisher
U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Pub. Date
[2008]
Language
English

6) Estimating costs of improving Adirondack timber stands by killing culls with frills and sodium arsenite

Author
Curtis, Robert O
Series
Forest research notes volume no. 63
Publisher
Department of Agriculture, Forest Service, Northeastern Forest Experiment Station
Pub. Date
1956.
Language
English

7) True fir spacing and yield trials: 20-year update

Author
Curtis, Robert O
Series
Research paper PNW volume RP-590
Publisher
United States Department of Agriculture, Forest Service, Pacific Northwest Research Station
Pub. Date
2013.
Language
English

8) Development of top heights and corresponding diameters in high-elevation noble fir plantations

Author
Curtis, Robert O
Series
Research paper PNW volume 603
Publisher
United States Department of Agriculture, Forest Service, Pacific Northwest Research Station
Pub. Date
[2015]
Language
English

9) Levels-of-growing-stock cooperative study in Douglas-fir: report no. 18-Rocky Brook, 1963-2006

Author
Curtis, Robert O
Series
Research paper PNW volume 578
Publisher
U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Pub. Date
[2009]
Language
English

10) Procedures for establishing and maintaining permanent plots for silvicultural and yield research

Author
Curtis, Robert O
Series
General technical report PNW volume 155
Publisher
U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Pub. Date
[1983]
Language
English

11) Relation of initial spacing and relative stand density indices to stand characteristics in a Douglas-fir plantation spacing trial

Author
Curtis, Robert O
Series
Research paper PNW volume 607
Publisher
U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station
Pub. Date
2016.
Language
English

12) Silvicultural research and the evolution of forest practices in the Douglas-fir region

Series
General technical report PNW volume 696
Publisher
U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Pub. Date
[2007]
Language
English

13) Silviculture for multiple objectives in the Douglas-fir region

Series
General technical report PNW volume 435
Publisher
U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Pub. Date
[1998]
Language
English

14) Levels-of-growing-stock cooperative study in Douglas-fir: report no. 15,Hoskins, 1963-98

Author
Marshall, David D
Series
Research paper PNW volume 537
Publisher
U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Pub. Date
[2002]
Language
English

15) Silvicultural options for young-growth Douglas-fir forests: the Capitol Forest study--establishment and first results

Series
General technical report PNW volume 598
Publisher
U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station
Pub. Date
[2004]
Language
English