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Forestry
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Kellogg, L. D. (Loren D.)
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Oregon State University. Forest Research Laboratory
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11. [Article] Production and costs of cut-to-length thinning : experience from the Willamette Young Stand Project
Young Douglas-fir stands were commercially thinned to achieve vegetation- and wildlife-related objectives. Harvesting and forwarding production and costs were compared among three mechanized thinning treatments: ...Citation -
12. [Article] Tractor thinning productivity and costs : experience from the Willamette Young Stand Project
Harvesting productivity rates and costs were determined for three silvicultural treatments used in commercial ground-based thinning of young stands to achieve timber management objectives and enhance wildlife ...Citation