Biology and control of douglas-fir needle midges in Christmas tree plantations.
Rev. Aug. 1980.
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Author
Publication
1980 - Cooperative Extension Service, College of Agriculture, Washington State University, Pullman, Washington (State)
Language
English
Word Count
0 words, Guess
Page Count
0 pages
Identifiers
- OCLC Control Number41792897
- Open LibraryOL17610778M
Subjects
Topics
ControlDouglas firGall midgesEconomic aspectsDiseases and pestsChristmas tree industryEconomic aspects of Christmas tree industry
Series Statement
- Insect answers
- Extension mimeo -- 4257.
- Extension mimeo (Washington State University. Cooperative Extension Service) -- 4257.
Other Editions
- Biology and control of douglas-fir needle midges in Christmas tree plantations.
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