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d holmsen

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Forest thinningThinning and utilization of lodgepole pine stands in British ColumbiaSylvi D. Holmsen

Thinning and utilization of lodgepole pine stands in British Columbia

Sylvi D. Holmsen · Forestry Canada

35 sayfa · 1990

Lodgepole pine / Thinning / Forest thinning

Machines forestièresComparison of clearing-saw cutting attachments for weeding young conifer plantationsSylvi D. Holmsen

Comparison of clearing-saw cutting attachments for weeding young conifer plantations

Sylvi D. Holmsen · Canadian Forestry Service

21 sayfa · 1988

Conifers / Conifères / Forest machinery / Lutte contre les Mauvaises herbes / Machines forestières

European aspenComparison of four single-stem methods for controlling trembling aspenSylvi D. Holmsen

Comparison of four single-stem methods for controlling trembling aspen

Sylvi D. Holmsen · Forestry Canada

26 sayfa · 1990

Control / Weed control / Conifers / European aspen