An edition of Stratification period and germination of Douglas-fir seed from Oregon seed orchards (1991)
Stratification period and germination of Douglas-fir seed from Oregon seed orchards
two case studies
By Frank C. Sorensen
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Publish Date
1991
Publisher
U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest Research Station
Language
eng
Pages
23
Description:
subjects: Douglas fir, Growth, Seeds, Stratification, Seed orchards