Thinning and urea fertilization effects on emerging grand fir (Abies grandis) foliage and growth of western spruce budworm (Choristoneura occidentalis) larvae
By: by Thomas J. Savage.
Published: 1987
Language: eng
Number of pages: 41
Subjects: Abies grandis -- Diseases and pests -- Control.; Western spruce budworm -- Control -- Oregon.; Plants, Effect of nitrogen on.; Abies grandis -- Thinning.
Notes: Typescript (photocopy).

Thesis (M.S.)--Oregon State University, 1988.

Bibliography: leaves 35-41.