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Subjects
Aerial spraying and dusting in forestry, Control, Diseases and pests, Western spruce budworm, Application, Biological control, Conifers, Douglas fir, Douglas-fir tussock moth, Pesticides, Spraying and dusting in agriculture, Viral insecticides, VirusesID Numbers
- OLID: OL4846392A
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September 19, 2008 | Created by ImportBot | Imported from Oregon Libraries MARC record |