Read Results of the Entomological Aspects of the 1963 Western Hemlock Looper Control Project in Southwest Washington (Classic Reprint) - Paul E Buffam | PDF Online

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Excerpt from Results of the Entomological Aspects of the 1963 Western Hemlock Looper Control Project in Southwest WashingtonIn July 1963, acres of a -acre western hemlock looper infestation in southwest Washington were treated with aerial applications of either Sevin or ddt. Sevin was applied to acres and ddt to acres by helicopter, This control project was administered by

Title : Results of the Entomological Aspects of the 1963 Western Hemlock Looper Control Project in Southwest Washington (Classic Reprint)
Author : Paul E Buffam
Language : en
Rating :
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Type : PDF, ePub, Kindle
Uploaded : Apr 03, 2021

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