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Filtering by: Subject Crawler tractors -- Oregon Subject Douglas fir -- Harvesting -- Oregon

Two thinnings of douglas-fir with crawler tractors : time differences

Creator:

Kangur, Rudolf and Oregon State University. Forest Research Laboratory

Abstract:

Two intermediate cuttings were made in a Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) stand on the Wilark forest management research area in northwestern Oregon. Age of trees in the stand varied from 47 to 62 years at the first cutting. Crawler tractors were used in both extractions. In the first cutting,...

Resource Type:

Technical Report

Full Text:

, saw- logs and poles and piling were taken to the skid road by crawler tractor. A choker setter worked
Two thinnings of Douglas-fir with crawler tractors : time differences

Creator:

Kangur, Rudolf and Oregon State University. Forest Research Laboratory

Resource Type:

Technical Report

Full Text:

, saw- logs and poles and piling were taken to the skid road by crawler tractor. A choker setter worked