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2nd year results ai/ha Alta balsam poplar bigleaf maple birch black cottonwood British Columbia Canada Section Meeting chemical and manual Committee on Weeds conifer release control bigleaf maple control hardwood species control shrubs Crop establishment crop trees Cut-stump December 1-3 December 3-6 Douglas-fir early foliar stage Edmonton establishment and growth Expert Committee ferns fireweed foliar application forest sites FRDA girdling glyphosate grand fir grazing to control growing season growth on forest hardwoods and shrubs herbicide Hexazinone liquid kg ae/ha L/ha late foliar manual cutting manual treatments November 29-December Oreg palatable preparation and release red alder release of crop Research Report resprout ro ro ro salal salmonberry Sask Saskatoon seasons all seasons sheep browsing sheep grazing shrub species sites in Canada Sitka alder thimbleberry treatments for controlling trees for establishment trembling aspen triclopyr ester vegetation control vegetation management vegetation species Victoria Western Canada Section western hemlock willows Tables Winnipeg