. Development over 25 years of Douglas-fir, western hemlock, and western redcedar planted at various spacings on a very good site in British Columbia. Douglas fir British Columbia; Western hemlock British Columbia; Western redcedar British Columbia; Tree planting British Columbia. Table 1âSummary of trial designs and their periods of evaluation for this report Most recent data Number of Nominal Stock Establishment Trial Species 1/ Spadngs growing space used date Date Age 2/ m'/tree 49-tree plots DF 5 2+0 Fall 1957 Fall 1980 25 WRC 5 . 2+0 Fall 1958 Fall 1981 25 HH 5 . 1+1
. Development over 25 years of Douglas-fir, western hemlock, and western redcedar planted at various spacings on a very good site in British Columbia. Douglas fir British Columbia; Western hemlock British Columbia; Western redcedar British Columbia; Tree planting British Columbia. Table 1âSummary of trial designs and their periods of evaluation for this report Most recent data Number of Nominal Stock Establishment Trial Species 1/ Spadngs growing space used date Date Age 2/ m'/tree 49-tree plots DF 5 2+0 Fall 1957 Fall 1980 25 WRC 5 . 2+0 Fall 1958 Fall 1981 25 HH 5 . 1+1 Spring 1959 Fall 1981 25 plots DF 5 . 2+0 Fall 1957 Fall 1980 25 HH 1 .8 1+1 Spring 1959 Fall 1981 25 Rectangularlty DF 9 . 2+0 Spring 1967 Fall 1984 20 DF+WH 9 . 2+0 Spring 1967 Fall 1984 20 Nelder-plot 1 DF 3/ 15 . 2+2 Fall 1965 Fall 1981 20 Nelder-plot 2 DF 3/ 15 . 2+2 Spring 1966 Fall 1981 20 WH 3/ 15 . 4/ ?+2 Spring 1966 Fall 1981 20 WRC 3/ 15 , 4/ ?+2 Spring 1966 Fall 1981 20 ss 3/ 15 . 2+2 Spring 1966 Fall 1981 20 Variable-block DF 3 . 2+2 Spring 1966 Spring 1984 22 WH 2 2+2 Spring 1966 Spring 1984 22 WRC 2 .8- 7+2 Spring 1966 Spring 1984 22 SS 1 2+2 Spring 1966 Spring 1984 22 V DF â 0ouglas-f1r, WRC - western redcedar, WH - western hemlock, SS - sltka spruce. 2/ Total age of trees from seed. 3/ Continuous Increase 1n spacing on successive arcs. 4/ 7 - wildings of unknown Figure 2âLayout of the and 49-tree-plot trials. Numbers indicate spacing between trees in meters. DF = Douglas-fir, WH = western hemlock, and WRC = western redcedar. 3. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Reukema, Donald L; Smith, J. Harry G; Pacific Northwest Research Station (Portland, Or. ). [Portland, Or. ] : U. S. Dept.
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