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Author : Thomas White Childs
Publisher : Unknown
Page : 28 pages
File Size : 52,9 Mb
Release : 1970
Category : Douglas fir
ISBN : MINN:31951D02995407B
Author : James S. Hadfield,David Winslow Johnson
Publisher : Unknown
Page : 20 pages
File Size : 48,7 Mb
Release : 1977
Category : Phellinus weirii
ISBN : MINN:319510028407283
Author : E. E. Nelson
Publisher : Unknown
Page : 8 pages
File Size : 54,5 Mb
Release : 1981
Category : Conifers
ISBN : MINN:31951D02567884D
Author : Anonim
Publisher : Unknown
Page : 40 pages
File Size : 42,5 Mb
Release : 1995
Category : Fungal diseases of plants
ISBN : MINN:31951D02889118B
Author : James S. Hadfield
Publisher : Unknown
Page : 16 pages
File Size : 54,8 Mb
Release : 1985
Category : Root rots
ISBN : UCD:35555000542920
Author : Richard E. Miller
Publisher : Unknown
Page : 48 pages
File Size : 55,7 Mb
Release : 2006
Category : Douglas fir
ISBN : MINN:31951D029778124
A 4-year-old Douglas-fir plantation in the western Washington Cascades was monitored for 8 years after fertilization with potassium (K), nitrogen (N), and K+N to determine fertilizer effects on rates of mortality from laminated root rot (LRR) and other causes relative to a nonfertilized control. Each element was applied at a rate of 300 lb/acre on and around 0.2-acre plots replicated seven times in a randomized complete block design. Cumulative mortality from LRR did not differ significantly among fertilizer treatments, and losses were strongly related to density of infected stumps from the previous stand (r2 = 0.74). Mortality from disease and other sources accelerated during the 8 years of monitoring. Average tree growth and stand volume were greatest in treatment N and were reduced where N was combined with K. Continued monitoring is needed to identify potential longer term effects of the fertilizer treatments on susceptibility of Douglas-fir to LRR and Armillaria spp.
Author : Anonim
Publisher : Unknown
Page : 32 pages
File Size : 40,9 Mb
Release : 1986
Category : Conifers
ISBN : MINN:319510029457481
Author : Anonim
Publisher : Unknown
Page : 762 pages
File Size : 44,7 Mb
Release : 1994
Category : Forests and forestry
ISBN : CORNELL:31924080044674
Author : Anonim
Publisher : Unknown
Page : 710 pages
File Size : 47,6 Mb
Release : 1989
Category : Pests
ISBN : MINN:31951002969456I
Author : Anonim
Publisher : Unknown
Page : 314 pages
File Size : 42,8 Mb
Release : 1986
Category : Forest management
ISBN : UOM:39015022260932
Author : Anonim
Publisher : Unknown
Page : 300 pages
File Size : 48,6 Mb
Release : 1990
Category : Electronic
ISBN : NWU:35556030570873
Author : Anonim
Publisher : Unknown
Page : 492 pages
File Size : 40,9 Mb
Release : 1986
Category : Forest management
ISBN : STANFORD:36105130621480
Author : Everett M. Hansen
Publisher : Unknown
Page : 294 pages
File Size : 50,7 Mb
Release : 1975
Category : Douglas fir
ISBN : STANFORD:36105119572209
Author : United States. Forest Service. Pacific Northwest Region
Publisher : Unknown
Page : 312 pages
File Size : 45,7 Mb
Release : 1978
Category : Environmental impact analysis
ISBN : CHI:24010655
Author : United States. Forest Service. Pacific Northwest Region
Publisher : Unknown
Page : 304 pages
File Size : 49,5 Mb
Release : 1978
Category : Environmental impact statements
ISBN : UCD:31175028858002
