R. F. Sutton
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View article: White spruce establishment in two boreal Ontario mixedwoods: 13-year results
White spruce establishment in two boreal Ontario mixedwoods: 13-year results Open
An experiment to investigate techniques for establishing white spruce (Picea glauca [Moench] Voss) in boreal Ontario mixedwood was begun in 1985 in Oates Twp. Eight 25-tree plots were established in each of nine treatments: three mechanica…
View article: Site Preparation for Establishing Interior Spruce in British Columbia: Trials at Upper Coalmine and Mackenzie
Site Preparation for Establishing Interior Spruce in British Columbia: Trials at Upper Coalmine and Mackenzie Open
Two trials (“Upper Coalmine” and “Mackenzie”) were begun in the 1980s in the Prince George Forest Region, B.C., to evaluate a total of 13 site preparation treatments for establishing interior spruce (Picea glauca × engelmannii) in the Enge…
View article: White spruce establishment in boreal Ontario mixedwood: 5-year results
White spruce establishment in boreal Ontario mixedwood: 5-year results Open
Five-year results of a study to evaluate the relative effectiveness of nine silvicultural treatments for establishing plantations of white spruce (Picea glauca [Moench] Voss) in boreal Ontario mixed-wood are presented. The experimental des…
View article: Jack pine establishment in Ontario: 5-year comparison of stock types ± bracke scarification, mounding, and chemical site preparation
Jack pine establishment in Ontario: 5-year comparison of stock types ± bracke scarification, mounding, and chemical site preparation Open
Field experimentation was begun in 1984 to assess performance of jack pine (Pinus banksiana Lamb.) (2 + 0 bareroot and FH408 Japanese paperpot) in relation to mechanical site preparation, including Bracke scarification with and without sup…
View article: White spruce (<i>Picea glauca</i> [Moench] Voss): stagnating boreal old-field plantations unresponsive to fertilization and weed control
White spruce (<i>Picea glauca</i> [Moench] Voss): stagnating boreal old-field plantations unresponsive to fertilization and weed control Open
Two stagnant teenaged but pre-thicket plantations of white spruce (Picea glauca [Moench] Voss) on old-field sites in the Ontario Clay Belt were studied near Cochrane (49°04′N 81°02′W). Three herbicide × four fertilization treatments were a…
View article: Hexazinone Gridballs™ applied with concurrent underplanting of white spruce in boreal mixedwoods: 7-year results
Hexazinone Gridballs™ applied with concurrent underplanting of white spruce in boreal mixedwoods: 7-year results Open
In mid-June 1978, hexazinone Gridball™ pellets were individually placed on the ground surface in two10-m × 10-m plots at each of two grid spacings in moderate-to-dense, woody weed growth in each of three boreal mixedwood stands in the Chap…
View article: Bare-root Planting Season Options
Bare-root Planting Season Options Open
Options are available to the forest manager who needs to extend the planting season beyond the textbook ideal of spring planting of freshly lifted stock that is dormant or apparently so Bare-root planting season options are discussed under…
View article: Plantation Establishment in the Boreal Forest: Glyphosate, Hexazinone, and Manual Weed Control
Plantation Establishment in the Boreal Forest: Glyphosate, Hexazinone, and Manual Weed Control Open
One manual and two chemical (mist-blown foliar spray of glyphosate and hexazinone) methods of vegetation control were applied in two 17.1 m × 17.1 m plots per treatment in a 1969 boreal cutover in Forest Section B7 where natural jack pine …
View article: Root and Root System Terminology
Root and Root System Terminology Open
This dictionary of more than 2,200 terms relating to roots and root systems is biased toward forestry but will also be useful to workers in plant anatomy, morphology, ecology, nutrition, pathology, physiology, and propagation. It attempts …
View article: Planting stock quality, root growth capacity, and field performance of three boreal conifers.
Planting stock quality, root growth capacity, and field performance of three boreal conifers. Open
The influence of provenance and length of storage on root growth capacity (RGC) was determined in 2 + 0 jack pine (Pinus banksiana (Lamb.), 3 + 0 black spruce (Picea mariana (Mill.) B.S.P.), and 3 + 0 white spruce (P. glauca (Moench) Voss.…
View article: White spruce group planting in herbicide-treated, overmature mixedwood: 11-year results
White spruce group planting in herbicide-treated, overmature mixedwood: 11-year results Open
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View article: Problems and approaches in biological research related to mechanized reforestation
Problems and approaches in biological research related to mechanized reforestation Open
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View article: Chemical Control of Competition in Plantations
Chemical Control of Competition in Plantations Open
Per capita use of forest products and the world population both continue to rise rapidly. Silviculture must therefore become increasingly intensive. Chemical weed control will play a major role in this.The real function of weed control is …
View article: SELECTIVITY OF HERBICIDES
SELECTIVITY OF HERBICIDES Open
Various forms of selectivity of herbicides (chemical, physical, physiological, placement, and probability) are described and illustrated with examples from the literature. The point is made that selectivity is not an all-or-nothing proposi…
View article: STAND IMPROVEMENT WITH WHITE SPRUCE PLANTED WITH CONCURRENT DYBAR (FENURON) HERBICIDE TREATMENT
STAND IMPROVEMENT WITH WHITE SPRUCE PLANTED WITH CONCURRENT DYBAR (FENURON) HERBICIDE TREATMENT Open
Three ½-oz. spot applications of Dybar (pelleted fenuron: 3-phenyl-1, 1-dimethylurea) were given in 1960-61 to competing vegetation around each planted white spruce (Picea glauca (Moench) Voss) in an overmature boreal mixedwood. The herbic…
View article: AN UNUSUAL CASE OF VEGETATIVE REPRODUCTION OF WHITE BIRCH
AN UNUSUAL CASE OF VEGETATIVE REPRODUCTION OF WHITE BIRCH Open
Trees reproduce themselves in many wonderful ways.Everyone must have marvelled at the thought that the mighty oak from a tiny acorn grew.Or did it?The mighty oak may have developed from a sprout, or coppice shoot, from the stump of its for…