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Filtering by: Subject Douglas fir -- Fertilizers Subject Douglas fir -- Diseases and pests Subject Bark beetles

The relationship of aspect and topographic position to the occurrence of Douglas-fir bark beetle damage in western Oregon and southwestern Washington

Creator:

Rossheim, John David

Resource Type:

Masters Thesis
Bark-beetles infesting the Douglas fir

Creator:

Chamberlin, W. J. (Willard Joseph), 1890- and Oregon Agricultural College. Experiment Station

Abstract:

Published January 1918. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog

Resource Type:

Technical Report

Full Text:

Experiment Station Department of EntomoIoy Bark-Beetles Infesting the Douglas Fir BY WILLARD JOSEPH