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Author : Samuel Alexander Graham
Publisher : Unknown
Page : 296 pages
File Size : 51,5 Mb
Release : 1963
Category : Aspen
ISBN : UOM:39015056631594
Author : Anonim
Publisher : Unknown
Page : 52 pages
File Size : 53,9 Mb
Release : 1992
Category : Aspen
ISBN : MINN:31951D02996723W
Author : Anonim
Publisher : Unknown
Page : 68 pages
File Size : 55,8 Mb
Release : 1973
Category : Timber
ISBN : MINN:31951D029777233
Presents 12 papers concerning recent research in forest genetics, physiology, and allied fields. Species discussed include cottonwood, white spruce, jack pine, white pine, aspen, and others. Emphasizes the role of tree improvement in increasing wood-fiber production.
Author : Anonim
Publisher : Unknown
Page : 486 pages
File Size : 43,7 Mb
Release : 2001
Category : Aspen
ISBN : UIUC:30112048244542
Author : Anonim
Publisher : Unknown
Page : 294 pages
File Size : 47,9 Mb
Release : 1985
Category : Aspen
ISBN : UIUC:30112102046759
Information about the biology, ecology, and management of quaking aspen on the mountains and plateaus of the interior western United States, and to a lesser extent, Canada, is summarized and discussed. The biology of aspen as a tree species, community relationships in the aspen ecosystem, environments, and factors affecting aspen forests are reviewed. The resources available within and from the aspen forest type, and their past and potential uses are examined. Silvicultural methods and other approaches to managing aspen for various resources and uses are presented.
Author : United States. Forest Service. Division of Timber Management
Publisher : Unknown
Page : 132 pages
File Size : 43,7 Mb
Release : 1973
Category : Forest management
ISBN : UIUC:30112019255253
The current trend toward the establishment and care of forests for a wide combination of uses requires flexibility in forest culture and a knowledge of the silvicultural choices available to the resource manager. This publication summarizes for each of 37 major forest types in the United States the silvicultural systems that appear biologically feasible on the basis of present knowledge. Supporting information is given on the occurrence of the 37 forest types, the cultural requirements of the component species, and the biological factors that control the choice of silvicultural options. The text is arranged in regional sections suitable for reprinting.
Author : United States. Forest Service. Timber Management Research
Publisher : Unknown
Page : 134 pages
File Size : 41,8 Mb
Release : 1979
Category : Forest management
ISBN : UVA:X030492818
The current trend toward the establishment and care of forests for a wide combination of uses requires flexibility in forest culture and a knowledge of the silvicultural choices available to the resource manager. This publication summarizes the silvicultural systems that appear biologically feasible, on the basis of present knowledge, for each of 48 major forest types in the United States. Supporting information is given on the occurrence of the 48 forest types, the cultural requirements of the component species, and the biological factors that control the choice of silvicultural options.
Author : John R. Jones
Publisher : Unknown
Page : 8 pages
File Size : 47,9 Mb
Release : 1973
Category : Aspen
ISBN : UCD:31175030802642
Author : Kenneth A. Brinkman,Eugene Irving Roe
Publisher : Unknown
Page : 64 pages
File Size : 53,7 Mb
Release : 1975
Category : Aspen
ISBN : MSU:31293107840484
Author : Anonim
Publisher : Unknown
Page : 896 pages
File Size : 45,5 Mb
Release : 1990
Category : Agriculture
ISBN : MINN:31951D02881496J
Set includes revised editions of some issues.
Author : Donald A. Perala
Publisher : Unknown
Page : 28 pages
File Size : 53,7 Mb
Release : 1995
Category : Forest thinning
ISBN : MINN:31951D02977932U
Author : Anonim
Publisher : Unknown
Page : 710 pages
File Size : 42,9 Mb
Release : 1976
Category : Forests and forestry
ISBN : UOM:39015001294340
Author : Donald A. Perala
Publisher : Unknown
Page : 36 pages
File Size : 43,7 Mb
Release : 1977
Category : Aspen
ISBN : MINN:31951D028453903
Author : Donald A. Perala
Publisher : Unknown
Page : 40 pages
File Size : 48,5 Mb
Release : 1977
Category : Aspen
ISBN : IND:30000112555317
Author : Donald A. Perala
Publisher : Unknown
Page : 24 pages
File Size : 54,6 Mb
Release : 1978
Category : Aspen
ISBN : MINN:31951D03001607O
