A Bibliography on Forest Genetics and Forest Tree Improvement, 1954; No.77 PDF Download
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Author: Jonathan W Wright
Publisher: Hassell Street Press
ISBN: 9781015086982
Category :
Languages : en
Pages : 46
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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: Jonathan W Wright
Publisher: Hassell Street Press
ISBN: 9781015086982
Category :
Languages : en
Pages : 46
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: National Agricultural Library (U.S.)
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 766
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 538
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Author: Thomas Frederick McLintock
Publisher:
ISBN:
Category : Balsam fir
Languages : en
Pages : 416
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Book Description
From 1948 to 1952 a light to medium spruce budworm infestation occurred in the spruce-fir forests of northern Maine. During this period both the degree of infestation and the acreage affected fluctuated considerably, but the population remained below the damage level. In 1953 there was a general reduction in budworm population in all portions of northern Maine except a relatively small area of same 20,000 acres near Madawaska Lake. Here a marked increase in infestation occurred. Because of possible damage to trees on this area and the hazard of spread to adjacent areas, this tract was sprayed in the spring of 1954. Meanwhile a very severe outbreak over an area of several thousand square miles in the nearby Province of New Brunswick has become a serious threat to the spruce-fir forests of Maine.
Author: Northeastern Forest Experiment Station (Radnor, Pa.)
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 700
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Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 1370
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Author:
Publisher:
ISBN:
Category : Paper industry
Languages : en
Pages : 1232
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Author:
Publisher:
ISBN:
Category : Paper industry
Languages : en
Pages : 1258
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Author:
Publisher:
ISBN:
Category : Paper industry
Languages : en
Pages : 1740
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Author: Iowa State University. Library
Publisher:
ISBN:
Category : Periodicals
Languages : en
Pages : 954
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Book Description
