An edition of Sampling populations of western spruce budworm and predicting defoliation on Douglas-fir in eastern Oregon (1972)
Sampling populations of western spruce budworm and predicting defoliation on Douglas-fir in eastern Oregon
By V. M. Carolin
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Publish Date
1972
Publisher
Pacific Northwest Forest and Range Experiment Station, U.S. Dept. of Agriculture, Forest Service
Language
eng
Pages
38
Description:
subjects: Insect populations, Douglas fir, Western spruce budworm, Diseases and pests
Places: Oregon