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Author: Gary Noy Publisher: Heyday Books ISBN: 9781597142656 Category : History Languages : en Pages : 231
Book Description
Stories of characters who enlivened the SIERRA NEVADA and created the basis of many legends and tales. Features names and places of the formidable high country and lands adjoining
Author: Gary Noy Publisher: Heyday Books ISBN: 9781597142656 Category : History Languages : en Pages : 231
Book Description
Stories of characters who enlivened the SIERRA NEVADA and created the basis of many legends and tales. Features names and places of the formidable high country and lands adjoining
Author: Robert Peter Brockley Publisher: University of British Columbia Press ISBN: Category : Technology & Engineering Languages : en Pages : 68
Book Description
"The effects of fertilization with nitrogen (N) alone, and in combination with sulphur (S), on the growth and foliar nutrition of six immature, managed Douglas-fir (Pseudotsuga menziesii var. glauca [Beissn.] Franco) stands in the Interior Cedar-Hemlock (ICH) biogeoclimatic zone of British Columbia are reported 6 years after treatment. Results indicate that interior Douglas-fir stands growing on circummesic sites within the ICH zone are generally responsive to fertilization. Disregarding results from one installation that was damaged by Armillaria root disease, average net volume response following fertilization with N alone was 13.5 m3/ha (range: 6.5-24 m3/ha) compared to the control treatment. Six-year volume gains from N+S additions averaged 16 m3/ha (range: 10-23 m3/ha). In relative terms, stand volume responses to fertilization with N and N+S averaged 24% (range: 8-41%) and 28% (range: 16-39%), respectively. Growth projections generated by the tipsy growth and yield program indicate that the accelerated stand development following a single fertilizer application will likely reduce biological rotations (i.e., culmination of mean annual increment) and technical rotations (e.g., minimum harvestable age) by 2-3 years. Relative growth responses compare favourably with results from Douglas-fir fertilization studies in other jurisdictions.??Pre- and post-fertilization foliar nutrient analyses indicate that several of the sites were marginally S deficient, and that S status deteriorated 1 year following N fertilization. Added S was readily taken up, thereby maintaining a favourable N:S balance in trees fertilized with N+S. Despite improvements in foliar S status, the incremental growth benefits of added S may be too small on most sites to justify the extra expense involved in blending and applying N+S fertilizers in large-scale aerial operations.??Results from this study, and others, indicate that pre-fertilization levels of foliar N and sulphate S (SO4) may have utility in selecting candidate stands and in making appropriate fertilizer prescriptions. For example, the largest growth responses following fertilization may be expected in stands with pre-fertilization foliar N levels less than 11.5 g/kg ( 13 g/kg when using dry combustion analytical methods). Also, low foliar N combined with small amounts of pre-fertilization foliar SO4 (
Author: Douglas George Maynard Publisher: ISBN: Category : Nature Languages : en Pages : 32
Book Description
The general objective of this study was to determine if calcium carbonate was a limiting factor in the growth of 20-year old interior spruce. The specific objectives were: to describe the soil conditions for the acidic (eka) and calcareous (ekc) soil groupings for the progeny test sites studied by Xie et al. (1998); to determine the relationship of 20-year-old interior spruce growth with depth to carbonates at two calcareous sites within the former Invermere Forest District; to determine the relationship of soil and foliar chemistry to interior spruce growth at the two calcareous sites; and to compare the foliage chemistry of interior spruce growing on calcareous soils to interior spruce growing on a non-calcareous soil.--Document.
Author: Suzanne Simard Publisher: University of British Columbia Press ISBN: Category : Nature Languages : en Pages : 76
Book Description
A series of research trials established in 1986-87 in the Kamloops Forest Region, British Columbia, studied the effectiveness of chemical and manual treatment methods for controlling competing vegetation, and also studied the impact that these brushing methods had on the range resource in the region. This report first describes the study methodology, including site selection, experimental design, measurements made, and statistical analyses. It then reports the results of the three studies in the series: the effects of brushing and grazing on lodgepole pine, the dry alder plant community, and range forage at the Devick Lake site; effects of brushing and grazing on lodgepole pine, the willow plant community, and range forage at the Ellis Creek site; and effects of brushing on lodgepole pine, the pinegrass plant community, and range forage at the Upper McKay Creek site.
Author: Canada. Department of Forestry and Rural Development Publisher: ottawa : queen's printer ISBN: Category : Forest soils Languages : en Pages : 202
Author: Louise De Montigny Publisher: Forestry Division Services Branch, Production Resources ISBN: 9780772635068 Category : Forest thinning Languages : en Pages : 57
Author: C. DeLong Publisher: ISBN: Category : Nature Languages : en Pages : 26
Book Description
"Releasing conifers from the competition effects of aspen (Populus tremuloides Michx.) is a key focus of plantation management in sub-boreal and boreal forests, often at considerable cost. However, other factors affect early plantation performance. This study investigates the relative influence of aspen competition and soil factors on the performance of planted lodgepole pine (Pinus contorta Dougl. ex Loud.) and hybrid white spruce (Picea glauca [Moench] Voss x engelmannii Parry ex Engelm.) in north-central British Columbia. Plots were established across a gradient of natural aspen competition levels that resulted from a test of aspen control treatments at one site. Within these plots, 240 of each of the target conifer species were measured and their immediate soil and vegetative environment quantified. Regression trees and regression analysis were used to examine the importance of aspen competition relative to other factors in determining target conifer size."--Document.
Author: N. Merle Peterson Publisher: UBC Press ISBN: 0774844256 Category : Technology & Engineering Languages : en Pages : 360
Book Description
Sitka spruce, the largest of the world's spruces, is an important component of British Columbia's coastal forests. Its ecology gives it a special place in the sustainable management of the province's forests. However, in west coast forestry it is poorly known in comparison with its main coniferous companions -- Douglas-fir, western redcedar, and western hemlock. As an important international forestry resource, it is crucial that Sitka spruce -- its ecology and the ecosystems in which it occurs -- be clearly understood by those who are involved with its management.
Author: Gary Noy
Author: Gary Noy
Author: Robert Peter Brockley
Author: Douglas George Maynard
Author: Graeme d'Egville Hope
Author: Suzanne Simard
Author: Canada. Department of Forestry and Rural Development
Author: Louise De Montigny
Author: British Columbia. Ministry of Forests
Author: C. DeLong
Author: N. Merle Peterson