Duff reduction by prescribed underburning in Douglas-fir
By: David Sandberg
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: Research paper PNW -- 272
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Published: 1980
Place of publication: [Portland, Or.?]
Language: eng
Number of pages: 18
Subjects: Douglas fir; Forest litter; Prescribed burning -- Oregon; Prescribed burning -- Washington (State)
Notes: Cover title

"June 1980."

Bibliography: p. 17-18