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Author : E. E. Nelson
Publisher : Unknown
Page : 16 pages
File Size : 52,9 Mb
Release : 1980
Category : Douglas fir
ISBN : MINN:31951D02986318B
Author : Thomas White Childs
Publisher : Unknown
Page : 28 pages
File Size : 53,8 Mb
Release : 1970
Category : Douglas fir
ISBN : MINN:31951D02995407B
Author : E. E. Nelson
Publisher : Unknown
Page : 8 pages
File Size : 43,7 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 : 54,7 Mb
Release : 1985
Category : Root rots
ISBN : UCD:35555000542920
Author : James S. Hadfield,David Winslow Johnson
Publisher : Unknown
Page : 20 pages
File Size : 47,9 Mb
Release : 1977
Category : Phellinus weirii
ISBN : MINN:319510028407283
Author : Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Publisher : Unknown
Page : 36 pages
File Size : 44,5 Mb
Release : 1980
Category : Forests and forestry
ISBN : NWU:35556041969338
Author : Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Publisher : Unknown
Page : 308 pages
File Size : 42,8 Mb
Release : 1980
Category : Forests and forestry
ISBN : IND:30000090083241
Author : Anonim
Publisher : Unknown
Page : 16 pages
File Size : 52,7 Mb
Release : 1980
Category : Forests and forestry
ISBN : MINN:30000010178162
Author : Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Publisher : Unknown
Page : 372 pages
File Size : 44,7 Mb
Release : 1979
Category : Forests and forestry
ISBN : UOM:39015010046301
Author : Richard E. Miller
Publisher : Unknown
Page : 48 pages
File Size : 53,6 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 : 990 pages
File Size : 47,9 Mb
Release : 1996
Category : Forests and forestry
ISBN : CORNELL:31924080043502
Author : Anonim
Publisher : Unknown
Page : 122 pages
File Size : 43,7 Mb
Release : 1996
Category : Ecological disturbances
ISBN : MINN:31951D016538577
Author : Thomas White Childs
Publisher : Unknown
Page : 8 pages
File Size : 43,9 Mb
Release : 1971
Category : Conifers
ISBN : IND:30000091993471
Author : Anonim
Publisher : Unknown
Page : 2 pages
File Size : 48,7 Mb
Release : 1987
Category : Douglas fir
ISBN : MINN:319510029547731