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Author : David Winslow Johnson
Publisher : Unknown
Page : 20 pages
File Size : 42,8 Mb
Release : 1998
Category : Dwarf mistletoes
ISBN : MINN:31951D02336046I
Author : Anonim
Publisher : Unknown
Page : 358 pages
File Size : 54,5 Mb
Release : 1996
Category : Forest insects
ISBN : UCBK:C089872513
Author : Brian W. Geils
Publisher : Unknown
Page : 136 pages
File Size : 51,8 Mb
Release : 2002
Category : Conifers
ISBN : MINN:31951D030013987
Author : Anonim
Publisher : Unknown
Page : 546 pages
File Size : 55,7 Mb
Release : 2002
Category : Forests and forestry
ISBN : UOM:39015055713906
Author : Anonim
Publisher : Unknown
Page : 1960 pages
File Size : 44,9 Mb
Release : 1998
Category : Agriculture
ISBN : CORNELL:31924089531846
Author : James Peter Brandt,Northern Forestry Centre (Canada)
Publisher : Special Report
Page : 44 pages
File Size : 52,6 Mb
Release : 1998
Category : Technology & Engineering
ISBN : CORNELL:31924073892170
The distribution of lodgepole pine and jack pine stands severely damaged by lodgepole pine dwarf mistletoe, Arceuthobium americanum Nutt. Ex Engelm., is described for Alberta, Saskatchewan, and Manitoba. The distribution of affected stands is based on aerial and ground surveys of jack (Pinus banksiana Lamb.) and lodgepole pone (P. contorta Dougl, ex Loud. var latifolia Engelm.) forests conducted between 1984 and 1996. Depending on method of determination, between 455 000 and 585 000 ha of jack pine forests and 80 000 - 85 000 ha of lodgepole pine forests were severely diseased by dwardf mistletoe. These areas account for about 5% of the total area of pine in the study area. Annual losses due to reductions in growth and tree mortality were estimated at 2 347 000 m3. Most diseased jack pine stands occurred in the Boreal Plains ecozone, while diseased lodgepole pine stands occurred approximately equally in both the Boreal Plains and the Montane Cordillera ecozones. The report includes maps and a CD-Rom containing an Arc/Info export-format file of the coverage of pine areas severely damaged by dwarf mistletoe in west-central Canada.
Author : D. T. Myren,G. Laflamme,Canadian Forest Service. Science and Sustainable Development Directorate
Publisher : Canadian Forest Service, Science and Sustainable Development Directorate
Page : 174 pages
File Size : 53,5 Mb
Release : 1994
Category : Nature
ISBN : MINN:31951D010515642
Descriptions of tree diseases, divided into those for leaves and needles, stems and branches, roots, and cones, and caused by animals and insects. For each disease, information is given on host, distribution, effects on hosts, identifying features, life history, control, related information, and a bibliography. Identifying features include macroscopic characters and those that could be observed with a 10x microscopic lens.
Author : Miles Anderson
Publisher : Southwater
Page : 0 pages
File Size : 53,5 Mb
Release : 2012
Category : Gardening
ISBN : 1780190921
The definitive reference to identification, care and cultivation, with a directory of 400 varieties and 700 photographs.
Author : Matteo Garbelotto ,Paolo Gonthier
Publisher : MDPI
Page : 243 pages
File Size : 49,9 Mb
Release : 2018-04-13
Category : Electronic books
ISBN : 9783038426714
This book is a printed edition of the Special Issue "Forest Pathology and Plant Health" that was published in Forests
Author : Andreas Roloff
Publisher : John Wiley & Sons
Page : 288 pages
File Size : 50,9 Mb
Release : 2016-02-16
Category : Technology & Engineering
ISBN : 9781118954584
Urban tree management is the key basis for greener cities of the future. It is a practical discipline which includes tree selection, planting, care and protection and the overall management of trees as a collective resource. Urban Tree Management aims to raise awareness for the positive impacts and benefits of city trees and for their importance to city dwellers. It describes their advantages and details their effects on quality of urban life and well-being – aspects that are increasingly important in these times of progressing urbanisation. With this book you will learn: fundamentals, methods and tools of urban tree management state of the art in the fields of urban forestry and tree biology positive effects and uses of urban trees features, requirements and selection criteria for urban trees conditions and problems of urban trees governance and management aspects environmental education programs. Edited by the leading expert Dr Andreas Roloff, Urban Tree Management is an excellent resource for plant scientists, horticulturists, dendrologists, arborists and arboriculturists, forestry scientists, city planners, parks department specialists and landscape architects. It will be an essential addition to all students and libraries where such subjects are taught.
Author : Robert D. Harvey,Paul F. Hessburg
Publisher : Unknown
Page : 136 pages
File Size : 49,9 Mb
Release : 1992
Category : Forest reserves
ISBN : MINN:31951D01004933C
Author : Anonim
Publisher : Unknown
Page : 2 pages
File Size : 51,5 Mb
Release : 1983
Category : Conifers
ISBN : MINN:319510029104993
Author : Geoff Hodge
Publisher : University of Chicago Press
Page : 224 pages
File Size : 44,7 Mb
Release : 2014-02-01
Category : Nature
ISBN : 9780226094090
Gardening can be frustratingly shrouded in secrecy. Fickle plants make seemingly spontaneous decisions to bloom or bust, seeds sprout magically in the blink of an eye, and deep-rooted mysteries unfold underground and out of sight. Understanding basic botany is like unlocking a horticultural code; fortunately learning a little science can reveal the secrets of the botanical universe and shed some light on what’s really going on in your garden. Practical Botany for Gardeners provides an elegant and accessible introduction to the world of botany. It presents the essentials that every gardener needs to know, connecting explanations of scientific facts with useful gardening tips. Flip to the roots section and you’ll not only learn how different types of roots support a plant but also find that adding fungi to soil aids growth. The pruning section both defines “lateral buds” and explains how far back on a shoot to cut in order to propagate them. The book breaks down key areas and terminology with easy-to-navigate chapters arranged by theme, such as plant types, plant parts, inner workings, and external factors. “Great Botanists” and “Botany in Action” boxes delve deeper into the fascinating byways of plant science. This multifaceted book also includes two hundred botanical illustrations and basic diagrams that hearken to the classic roots of botany. Part handbook, part reference, Practical Botany for Gardeners is a beautifully captivating read. It’s a must for garden lovers and backyard botanists who want to grow and nurture their own plant knowledge.
Author : John Frank Henigman,British Columbia. Ministry of Forests,Canadian Forest Service
Publisher : Canadian Forest Service
Page : 348 pages
File Size : 55,7 Mb
Release : 1999
Category : Trees
ISBN : 0772638667
A second, extensively revised edition of the successful Field Guide to Pests of Managed Forests in British Columbia.
Author : Howard E. Moore
Publisher : Unknown
Page : 100 pages
File Size : 40,6 Mb
Release : 1985
Category : Electric lines
ISBN : SRLF:D0000226100
