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Author: Austin E (Austin Edward) 1 Helmers
Publisher: Hassell Street Press
ISBN: 9781014327307
Category :
Languages : en
Pages : 38
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Book Description
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: Austin E (Austin Edward) 1 Helmers
Publisher: Hassell Street Press
ISBN: 9781014327307
Category :
Languages : en
Pages : 38
Get Book Here
Book Description
This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. To ensure a quality reading experience, this work has been proofread and republished using a format that seamlessly blends the original graphical elements with text in an easy-to-read typeface. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.
Author: Austin Edward Helmers
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: Austin Edward Helmers
Publisher: Forgotten Books
ISBN: 9780260412942
Category : Business & Economics
Languages : en
Pages : 42
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Book Description
Excerpt from Disintegration of Girdled Western Hemlock and Grand Fir The occurrence of overmature defective trees is responsible for some of the most difficult management problems in the western white pine type. Grand fir and'western hemlock in particular are highly susceptible to Woodarotting fungi. In addition, because of their shade tolerance, they often inhibit or prevent establishment and growth of the more desirable but less shade-tolerant species such as western white pine. Hence, many of the management practices for the white pine type provide for the re moval of trees of undesirable form, condition, or species. Girdling is one method of removing such trees. This method was exten sively used by the U. S. Forest Service between 1915 and 1930 on timber sales in the western white pine type. Although girdling lowhvalue trees 'was discontinued as a stand improvement measure after 1930 because of the high fire hazard of the resulting snags (figure there were reasons to consider the method worthy of further study. For example, it is a com paratively cheap and effective'way to destroy an occasional large tree, such as a wolf tree which is suppressing desirable reproduction. Tests 2/ 1tere made, accordingly, to determine the effect of girdling on cone pro duction, mortality, rate of disintegration of trees, end.damage to repro duction. Results of these studies are described in this report. 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: Northern Rocky Mountain Forest and Range Experiment Station (Missoula, Mont.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 680
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Author: Northern Rocky Mountain Forest and Range Experiment Station (Missoula, Mont.)
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 490
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Book Description
Author: Arthur Lawrence Roe
Publisher:
ISBN:
Category : Ponderosa pine
Languages : en
Pages : 1130
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Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 1260
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Author:
Publisher:
ISBN:
Category : Lumber trade
Languages : en
Pages : 778
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Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 246
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Author:
Publisher:
ISBN:
Category : Electronic journals
Languages : en
Pages : 1056
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Book Description
List of members of the society in v. 15- .
