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Creator:: Engstrom, W. H. and Oregon State Board of Forestry
Resource Type:: Technical Report
Full Text:: , August, 1954 The annual statewide cone crop survey and report is made by the Oregon State Board of

Creator:: Engstrom, W. H. and Oregon State Board of Forestry
Resource Type:: Technical Report
Full Text:: , August 1953 OREGON CONE CROP, 1953 by W. H. Engstrom This cone crop report is compiled by the Oregon

Creator:: Engstrom, W. H. and Oregon State Board of Forestry
Resource Type:: Technical Report
Full Text:: Forestry Salem, Oregon No. 4 August 1951 1951 CONE CROP SURVEY REPORT Wilbur H. Engstrom Research

Creator:: Engstrom, W. H. and Oregon State Board of Forestry
Resource Type:: Technical Report
Full Text:: 1952 CONE CROP SURVEY REPORT Wilbur H. Engstrom Research Assistant OREGON STATE BOARD OF FORESTRY

Creator:: Lavender, Denis P. and Engstrom, W. H.
Abstract:: To determine if squirrels (Sciurus douglasii var.) cut cones before the seeds are ripe, a series of collection points was established in the Willamette Valley and the Cascade Mountains in the summer of 1954. The areas were inspected at intervals during August, September and October of 1954, and freshly cut...
Resource Type:: Technical Report
Full Text:: , in quantities which would be attractive to cone collectors, before the seeds are fully ripe? 2. What

Creator:: Adams, W. T., Hipkins, Valerie D., Burczyk, J., and Randall, W. K.
Abstract:: Pollen contamination was investigated in one block (block 4) of a 10-block Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) seed orchard complex in western Oregon. Blocks (25 clones each) represent different breeding zones; thus, contaminant pollen sources not only included the adjacent natural stand of Douglas-fir, but also other blocks within the...
Resource Type:: Article
Full Text:: orchard were heavy enough in five years between 1981 and 1990 to warrant cone harvesting. Received

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:: Nozzle projection testsa Chapin adjustable solid cone 1 W Water+dye 0 76.5 (24.7) 66 None None

Creator:: Engstrom, W. H. and Oregon State Board of Forestry
Resource Type:: Technical Report
Full Text:: ' r :, g t a-. f r ',r, Y A''.te 12 = 1j nY r `rr I .: w rJ .r tl il,I oU t : r'° w . rf

Creator:: Jayawickrama, K. J. S., McKeand, S. E., and Jett, J. B.
Abstract:: Contributions of sites, rootstocks, and scion clones (and the nteractions between these factors) to scion growth and reproduction were studied in loblolly pine (Pinus taeda L.). Twenty-five full-sib families were used as rootstocks. Six scion clones were grafted on them in all combinations. Study sites were three seed orchards in...
Resource Type:: Article
Full Text:: height (DBH) of the main leader, crown diameter, cone counts, and number of male and female strobili were

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