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ISBN 13 :
Total Pages : 476 pages
Book Rating : 4.3/5 (91 download)
Download or read book Forest Insect and Disease Conditions in Canada written by and published by . This book was released on 1992 with total page 476 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 612 pages
Book Rating : 4.:/5 (319 download)
Download or read book Information Report written by and published by . This book was released on 1985 with total page 612 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Alexander Armstrong
Publisher : Canadian Government Publishing
ISBN 13 :
Total Pages : 756 pages
Book Rating : 4.:/5 (31 download)
Download or read book Forest Insect Pests in Canada written by John Alexander Armstrong and published by Canadian Government Publishing. This book was released on 1995 with total page 756 pages. Available in PDF, EPUB and Kindle. Book excerpt: The papers presented in this book cover the range of forest insect pest management activities in Canada. The first section contains papers on the current status of insect pests by region, including data on insect populations and extent of defoliation caused by the insect. The next section covers pest management technology, including the use of insecticides, insect viruses, fungal pathogens, growth regulators, antifeedants, pheromones, natural predators, and aerial spraying. The third section contains papers on the application of technology and equipment for forest pest control, and includes papers on the impacts of insecticides on the forest environment. The fourth section describes operational control programs by province. The final paper presents future strategies for the management of forest pests. An author index is included.
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ISBN 13 :
Total Pages : 164 pages
Book Rating : 4.E/5 ( download)
Download or read book Abrégé Des Publications written by and published by . This book was released on 1997 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covers all publications issued by the regions, institutes and headquarters of Forestry Canada.
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ISBN 13 :
Total Pages : 852 pages
Book Rating : 4.3/5 (21 download)
Download or read book Canadian Journal of Forest Research written by and published by . This book was released on 2001 with total page 852 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Association québécoise des groupes d'ornithologues
Publisher : L'Association québecoise des groupes d'ornithologes
ISBN 13 :
Total Pages : 1328 pages
Book Rating : 4.:/5 (319 download)
Download or read book The Breeding Birds of Québec written by Association québécoise des groupes d'ornithologues and published by L'Association québecoise des groupes d'ornithologes. This book was released on 1996 with total page 1328 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 768 pages
Book Rating : 4.3/5 (243 download)
Download or read book Environmental Reviews written by and published by . This book was released on 1995 with total page 768 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 680 pages
Book Rating : 4.:/5 (319 download)
Download or read book Acidic Deposition : State of Science and Technology written by and published by . This book was released on 1991 with total page 680 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1632 pages
Book Rating : 4.F/5 ( download)
Download or read book Canadiana written by and published by . This book was released on 1991 with total page 1632 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Reinhard F. Hüttl
Publisher : Springer Science & Business Media
ISBN 13 : 9401154023
Total Pages : 367 pages
Book Rating : 4.4/5 (11 download)
Download or read book Magnesium Deficiency in Forest Ecosystems written by Reinhard F. Hüttl and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 367 pages. Available in PDF, EPUB and Kindle. Book excerpt: R. F. HUTTL AND W. SCHAAF Brandenburg Technical University Cottbus, Chair of Soil Protection and Recultivation, P.O. Box 10 13 44, 03013 Cottbus, Germany The health status of forest trees and stands is determined by numerous site factors such as chemical, physical, and biological soil factors, water supply, climate, weather conditions, management history as well as atmospheric deposition impacts. In this context, the nutrient supply is an important evaluation parameter. Forest trees well supplied with nutrients are more resistant to stresses that affect the forest ecosystem than other trees. This is true for both biotic and abiotic influences. Therefore the investigation of the so-called 'new type forest damage' was aimed at the exact determination of the health status of damaged trees. When considering the complete forest ecosystem, health (=vitality) means the sustainable ability to withstand negative environmental influences and still remain stable and productive. From this viewpoint, an optimal nutritional status is a prerequisite for an optimal health status. The term 'new type forest damage' comprises a number of damage symptoms which have been observed in various tree species on very different sites since the mid-1970s, particularly in Europe and North America. However, they occurred much more intensively in the 1980s. Generally, this forest damage was thought to be related to negative impacts of air pollutants.
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ISBN 13 :
Total Pages : 386 pages
Book Rating : 4.:/5 (891 download)
Download or read book Digest Des Rapports D'information written by and published by . This book was released on 1984 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 724 pages
Book Rating : 4.:/5 (319 download)
Download or read book Canadian Journal of Zoology written by and published by . This book was released on 1990 with total page 724 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 1550 pages
Book Rating : 4.:/5 (319 download)
Download or read book Microlog, Canadian Research Index written by and published by . This book was released on 1993 with total page 1550 pages. Available in PDF, EPUB and Kindle. Book excerpt: An indexing, abstracting and document delivery service that covers current Canadian report literature of reference value from government and institutional sources.
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ISBN 13 :
Total Pages : 1748 pages
Book Rating : 4.:/5 (31 download)
Download or read book New Serial Titles written by and published by . This book was released on 1992 with total page 1748 pages. Available in PDF, EPUB and Kindle. Book excerpt: A union list of serials commencing publication after Dec. 31, 1949.
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ISBN 13 :
Total Pages : 528 pages
Book Rating : 4.X/5 (2 download)
Download or read book Government of Canada Publications, Quarterly Catalogue written by and published by . This book was released on 1993 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J. Peter Hall
Publisher : Forest Insect and Disease Survey
ISBN 13 :
Total Pages : 42 pages
Book Rating : 4.:/5 (319 download)
Download or read book Décroissement causé par les insectes et les maladies des arbres au Canada de 1982 à 1987 written by J. Peter Hall and published by Forest Insect and Disease Survey. This book was released on 1994 with total page 42 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 586 pages
Book Rating : 4.:/5 (319 download)
Download or read book Revue d'entomologie du Québec written by and published by . This book was released on 1984 with total page 586 pages. Available in PDF, EPUB and Kindle. Book excerpt:
