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Effects of stratification and temperature on seed germination speed and uniformity in central Oregon ponderosa pine (Pinus ponderosa Dougl. ex Laws.)

Author: John C Weber; Frank C Sorensen; Pacific Northwest Research Station (Portland, Or.)
Publisher: [Portland, Or.] : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1990.
Series: Research paper PNW, 429.
Edition/Format:   Book   Microform : National government publication : Microfiche : EnglishView all editions and formats
Database:WorldCat
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Material Type: Government publication, National government publication, Internet resource
Document Type: Book, Internet Resource
All Authors / Contributors: John C Weber; Frank C Sorensen; Pacific Northwest Research Station (Portland, Or.)
OCLC Number: 28351975
Notes: Cover title.
Reproduction Notes: Microform. [Washington : U.S. SUPTDOCS/GPO, 1990]. 1 microfiche.
Description: 13 pages : illustrations ; 28 cm.
Series Title: Research paper PNW, 429.
Responsibility: John C. Weber and Frank C. Sorensen.

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Primary Entity

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