Vacuum collection of Douglas-fir pollen for supplemental mass pollinations / D.L. Copes [and others].
Uniform Title: | Research note PNW ;
503. |
---|---|
Corporate Author: | Pacific Northwest Research Station (Portland, Or.) |
Other Authors: | Copes, Donald L. |
Language: | English |
Published: |
[Portland, Or. (319 S.W. Pine St., Portland 97208)] :
U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station,
[1991]
|
Series: | Research note PNW ;
503. |
Subjects: | |
Physical Description: | 8 pages : illustrations ; 28 cm. |
Format: | Government Document Book |