The Balsam Woolly Aphid Problem in Oregon and Washington PDF Download
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Author: Norman E. Johnson
Publisher:
ISBN:
Category : Aphids
Languages : en
Pages : 46
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Book Description
Author: Norman E. Johnson
Publisher:
ISBN:
Category : Aphids
Languages : en
Pages : 46
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Book Description
Author: Norman E. Johnson
Publisher: Forgotten Books
ISBN: 9780365049203
Category : Business & Economics
Languages : en
Pages : 52
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Book Description
Excerpt from The Balsam Woolly Aphid Problem in Oregon and Washington A European insect, commonly called the balsam woolly aphid or chermes, is damaging and killing true fir (abies) in western Oregon and washington. Some acres are known to be infested. Tree killing has reached the point where concerted action is needed. Major salvage plans are being developed by private, state, and federal forest managers to utilize as much of the dead and dying timber as possible. Studies of the insect and means of controlling it are underway and are being expanded. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Norman E. Johnson
Publisher:
ISBN:
Category :
Languages : en
Pages : 34
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Book Description
Author: Kenneth H. Wright
Publisher:
ISBN:
Category :
Languages : en
Pages : 12
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Book Description
Author: R. Ladd Livingston
Publisher:
ISBN:
Category : Adelgidae
Languages : en
Pages : 38
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Book Description
Author: Kenneth H. Wright
Publisher:
ISBN:
Category :
Languages : en
Pages : 4
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Book Description
Author: R. G. Mitchell
Publisher:
ISBN:
Category : Adelgidae
Languages : en
Pages : 63
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Book Description
Author: R. G. Mitchell
Publisher:
ISBN:
Category : Balsam woolly adelgid
Languages : en
Pages : 12
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Book Description
Author: Russel Gene Mitchell
Publisher:
ISBN:
Category : Adelgidae
Languages : en
Pages : 186
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Book Description
Author:
Publisher:
ISBN:
Category : Balsam woolly adelgid
Languages : en
Pages : 12
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Book Description
