The aspen borer and how to control it / by George Hofer.
"Poplars, aspens and cottonwoods, which are widely distributed over the United States are everywhere subject to serious injury by wood-boring insects. One of the chief of these is the aspen borer, which feeds in the trunks or larger branches, so weakening the wood that the tree is readly broke...
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Main Author: | |
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Format: | Government Document Book |
Language: | English |
Published: |
Washington, D.C. :
U.S. Dept. of Agriculture,
1920.
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Series: | Farmers' bulletin (United States. Department of Agriculture) ;
no. 1154. |
Subjects: |