Spraying for Douglas-fir needle midges in Christmas tree plantations
Rev. Sept. 1982.
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Author
Publication
1982 - Extension Service, Oregon State University, Corvallis, Or, Oregon
Language
English
Subjects
Topics
ContariniaDouglas firChristmas treesDiseases and pestsContarinia -- Northwest, PacificDouglas fir -- Diseases and pests -- Northwest, PacificChristmas trees -- Diseases and pests -- Northwest, Pacific
Places
Series Statement
- FS / Oregon State University Extension Service -- 164.
- Fact sheet (Oregon State University. Extension Service) -- 164.
Other Editions
- Spraying for Douglas-fir needle midges in Christmas tree plantations
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