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Filtering by: Creator Oregon State University. Forest Research Laboratory Date issued sim 1979-12

Testing the vigor of coniferous planting stock

Creator:

Hermann, Richard K., Lavender, Denis P., and Oregon State University. Forest Research Laboratory

Abstract:

"We describe a test procedure developed during growth room and field trials for which we processed hundreds of test lots of seedlings, mainly Douglas-fir (Pseudotsuga menziesii) and ponderosa pine (Pinus ponderosa), as well as lodgepole pine (Pinus contorta), Jeffrey pine (Pinus jeffreyi), and Sitka spruce (Picea sitchensis), noble fir (Abies...

Resource Type:

Technical Report
Preplanned skid trails and winching versus conventional harvesting on a partial cut

Creator:

Bradshaw, George and Oregon State University. Forest Research Laboratory

Abstract:

Production rates, skidding costs, and soil disturbance were compared for two partial-cut units-one with preplanned skid trails and winching and one conventional unit-harvested with a Caterpillar D-7F. For the unit with preplanned skid trails and winching, production was 11 percent less, and skidding cost per unit volume was 29 percent...

Resource Type:

Technical Report
Heat conditioning of veneer blocks

Creator:

Resch, Helmuth, Parker, R., and Oregon State University. Forest Research Laboratory

Abstract:

Short-term heating of softwood veneer blocks temporarily softens the wood so that it can be peeled more readily. Heating reduces the depth of lathe checks and the likelihood of splitting and thereby increases the quality and quantity of veneer recovered. The softwood-plywood industry conventionally conditions blocks three ways: steaming blocks...

Resource Type:

Technical Report

ScholarsArchive@OSU

Testing the vigor of coniferous planting stock

Preplanned skid trails and winching versus conventional harvesting on a partial cut

Heat conditioning of veneer blocks

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