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Author : Thomas White Childs
Publisher : Unknown
Page : 8 pages
File Size : 54,8 Mb
Release : 1971
Category : Conifers
ISBN : IND:30000091993471
Author : Anonim
Publisher : Unknown
Page : 40 pages
File Size : 40,9 Mb
Release : 1995
Category : Fungal diseases of plants
ISBN : MINN:31951D02889118B
Author : E. E. Nelson
Publisher : Unknown
Page : 8 pages
File Size : 47,5 Mb
Release : 1981
Category : Conifers
ISBN : MINN:31951D02567884D
Author : E. E. Nelson
Publisher : Unknown
Page : 16 pages
File Size : 54,8 Mb
Release : 1980
Category : Douglas fir
ISBN : MINN:31951D02986318B
Author : Thomas White Childs
Publisher : Unknown
Page : 28 pages
File Size : 45,8 Mb
Release : 1970
Category : Douglas fir
ISBN : MINN:31951D02995407B
Author : Anonim
Publisher : Unknown
Page : 2 pages
File Size : 50,9 Mb
Release : 1987
Category : Douglas fir
ISBN : MINN:319510029547731
Author : Richard E. Miller
Publisher : Unknown
Page : 48 pages
File Size : 49,8 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 : James S. Hadfield,David Winslow Johnson
Publisher : Unknown
Page : 20 pages
File Size : 52,8 Mb
Release : 1977
Category : Phellinus weirii
ISBN : MINN:319510028407283
Author : James S. Hadfield
Publisher : Unknown
Page : 16 pages
File Size : 45,7 Mb
Release : 1985
Category : Root rots
ISBN : UCD:35555000542920
Author : Donald R. Gedney
Publisher : Unknown
Page : 8 pages
File Size : 41,5 Mb
Release : 1981
Category : Root rots
ISBN : MINN:31951D02986335B
Author : Anonim
Publisher : Unknown
Page : 28 pages
File Size : 42,7 Mb
Release : 1984
Category : Conifers
ISBN : CUB:P206071701013
Author : Rona N. Sturrock,R. G. Fraser,British Columbia. Ministry of Forests,E. J. Phillips,Canada-British Columbia Partnership Agreement on Forest Resource Development: FRDA II.,Canadian Forest Service
Publisher : Canadian Forest Service
Page : 22 pages
File Size : 41,8 Mb
Release : 1994
Category : Douglas fir
ISBN : 0772621365
Push fall harvesting was conducted in coastal British Columbia and evaluated as a strategy for reducing Phellinus weirii infection (laminated root disease) of second growth, coastal Douglas-fir.
Author : Anonim
Publisher : Unknown
Page : 172 pages
File Size : 48,6 Mb
Release : 1998
Category : Armillaria
ISBN : MINN:31951D029772584
Author : Anonim
Publisher : Unknown
Page : 188 pages
File Size : 55,8 Mb
Release : 1990
Category : Heterobasidion annosum
ISBN : MINN:31951D02977235G
Author : Michael A. Castellano
Publisher : Forgotten Books
Page : 20 pages
File Size : 42,5 Mb
Release : 2018-01-08
Category : Business & Economics
ISBN : 0428588379
Excerpt from Ecological Impacts of Using Chloropicrin to Control Laminated Root Rot in Northwest Conifer Forests: Growth and Mycorrhiza Formation of Planted Douglas-Fir Seedlings After Two Growing Seasons Hadfield, j.s. 1985. Laminated root rot, a guide for reducing and preventing losses in Oregon and Washington forests. [location of publisher not given]: us. Department of Agriculture, Forest Service, Pacific Northwest Region. 13 p. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.