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How to estimate defoliation and predict tree damage


Author:
Wickman, Boyd E.
Source:
USDA
Year:
0000
Subject:
Defoliation and Douglas-fir tussock moth
Format:
15 p. : ill. (some col.), charts ; 24 cm.
Language:
English
Publisher:
Dept. of Agriculture, Combined Forest Pest Research and Development Program
Series:
Agriculture handbook / United States Department of Agriculture
Collection:
USDA publications
Permanent URL:
http://handle.nal.usda.gov/10113/CAT87208974