Field survival and growth of Douglas-fir by age and size of nursery stock
By: James W. Edgren
Contributors: Pacific Northwest Forest and Range Experiment Station (Portland, Or.); United States. Forest Service
Series: USDA Forest Service research paper PNW -- 217
Publisher: Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service
Published: 1977
Place of publication: Portland, Or
Language: eng
Subjects: Douglas fir
Notes: Cover title.