Effects of leader topping and branch pruning on efficiency of Douglas-fir cone harvesting with a tree shaker

Related Titles

Series: Research note PNW, 431

By

Copes, Donald L.

Pacific Northwest Forest and Range Experiment Station (Portland, Or.)

Type

Book

Material

Published material

Publication info

[Portland, Or.], U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, [1985]

Notes

Caption title.

Distributed to depository libraries in microfiche.

"October 1985."

Subjects

Conifers , Douglas fir , Harvesting , Pruning , Seeds

Language

English

Identifiers

DOI: https://doi.org/10.5962/bhl.title.70764
NAL: A99.9 F7625U no 431 1985
OCLC: 14046734
Wikidata: https://www.wikidata.org/entity/Q51467824