An edition of Effect of date of cone collection and stratification period on germination and growth of Douglas-fir seeds and seedlings (1980)
Effect of date of cone collection and stratification period on germination and growth of Douglas-fir seeds and seedlings
By Frank C. Sorensen
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Publish Date
1980
Publisher
Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service
Language
eng
Pages
11
Description:
subjects: Seeds, Seedlings, Germination, Stratification, Douglas fir, Growth