Title
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
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