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Production rates and costs for yarding by cable, balloon, and helicopter compared for clearcuttings and partial cuttings

Creator:: Dykstra, Dennis P. and Oregon State University. Forest Research Laboratory
Abstract:: This report supplements Research Bulletin 18 (1975) of the Forest Research Laboratory, School of Forestry, Oregon State University. Bulletin 18 summarized analyses of data for the first field season of the Pansy Basin Study. This Bulletin extends those analyses to the second, and final, field season. Time-study observations during the...
Resource Type:: Technical Report
Full Text:: , and Helicopter Compared for Clearcuttings and Partial Cuttings Dennis P. Dykstra Research Bulletin

Production rates and costs for cable, balloon, and helicopter yarding systems in old-growth Douglas-fir

Creator:: Dykstra, Dennis P. and Oregon State University. Forest Research Laboratory
Abstract:: This report describes initial results of a yarding time study for the Pansy Basin Study, a cooperative research project designed to test the performance of skylines, balloons, and helicopters operating under various conditions of timber and terrain, and over a range of silvicultural and landscape design prescriptions. Observations during the...
Resource Type:: Technical Report
Full Text:: in Old-Growth Douglas-fir COMPACT Dennis P. Dykstra Research Bulletin 18 September 1975 Forest

"Waving Wand" Broadcast Hand Application of Herbicides: Technical Basis and Usage

Creator:: Newton, Michael, Cole, Elizabeth C., and Barry, Jack W.
Abstract:: The waving-wand system of broadcast chemical application implemented in swath widths to 40 ft (>12 m) is capable of simulating broadcast deposition patterns for herbicides similar to those delivered by helicopter. Drop sizes vary from center to edge of swaths, which can range from >1,000 to 5,000 microns (μ). Any...
Resource Type:: Technical Report
Full Text:: Outreach No. 2 “Waving Wand” Broadcast Hand Application of Herbicides: Technical Basis and Usage

Factors related to variation of specific gravity in young-growth Douglas fir

Creator:: McKimmy, Milford D. and Oregon Forest Research Center
Resource Type:: Technical Report
Full Text:: TECHNICAL BULLETIN No. 479. Static bending Maximum Stress at Trees Modulus of Modulus of crushing

Strength and related properties of Douglas fir from mill samples

Creator:: Snodgrass, James D. and Noskowiak, Arthur F.
Resource Type:: Technical Report
Full Text:: , utilization, and marketing of wood and of timber by-products. Technical principles derived through this

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
Full Text:: Logs are being peeled into veneer. Therefore, to update the technical and economic aspects of heating

Response of young Douglas-fir to 16 years of intensive thinning

Creator:: Tappeiner, J. C. (John C.), Bell, John F., Brodie, J. Douglas (John Douglas), 1938-, and Oregon State University. Forest Research Laboratory
Abstract:: A 20-year-old Douglas-fir [Pseudotsuga menziesii (Mirb.) Franco] stand in the Oregon Coast Range was thinned from about 1,700 to about 350 trees/ac. Subsequent thinnings, under eight different regimes, occurred at ages 23, 27, 30, and 32. Average net periodic cubic-volume growth was strongly influenced by thinning regime, varying from about...
Resource Type:: Technical Report
Full Text:: , and D. BRUCE. 1961. The yield of Douglas-fir in the Pacific Northwest. USDA Technical Bulletin 201

Wood-metal corrosion : an annotated survey

Creator:: Graham, R. D. (Robert D.), Wilson, M. M., Oteng-Amoako, A., and Oregon State University. Forest Research Laboratory
Resource Type:: Technical Report
Full Text:: Research Laboratory School of Forestry Oregon, §tate University Corvallis, Oregon Bulletin. p.976 WOOD

Predicting the economic impacts of intensified forest management : Douglas County, Oregon, as a case study

Creator:: Dippon, Duane R., Tedder, Philip L., and Oregon State University. Forest Research Laboratory
Abstract:: A model consisting of a linked series of equations is presented for estimating the future effect of various intensities of forest management on the economy of a region. The model, in conjunction with the most recent inventory of the USDA Forest Service, is then applied to data from Douglas County,...
Resource Type:: Technical Report
Full Text:: RESEARCH BULLETIN 41 JULY 1993 COMPACT PREDICTING THE

Predicting merchantable volume in cubic feet to a variable top and in Scribner board feet to a 6-inch top for six major conifers of southwest Oregon

Creator:: Walters, David K., Hann, David W., and Oregon State University. Forest Research Laboratory
Resource Type:: Technical Report
Full Text:: scientific com- munity, and the general public. As a research bulletin, this publication is one of a series

ScholarsArchive@OSU

Production rates and costs for yarding by cable, balloon, and helicopter compared for clearcuttings and partial cuttings

Production rates and costs for cable, balloon, and helicopter yarding systems in old-growth Douglas-fir

"Waving Wand" Broadcast Hand Application of Herbicides: Technical Basis and Usage

Factors related to variation of specific gravity in young-growth Douglas fir

Strength and related properties of Douglas fir from mill samples

Heat conditioning of veneer blocks

Response of young Douglas-fir to 16 years of intensive thinning

Wood-metal corrosion : an annotated survey

Predicting the economic impacts of intensified forest management : Douglas County, Oregon, as a case study

Predicting merchantable volume in cubic feet to a variable top and in Scribner board feet to a 6-inch top for six major conifers of southwest Oregon

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