. The practice of silviculture : with particular reference to its application in the United States . Forests and forestry. 170 INTERMEDIATE CUTTINGS — TIUNNINGS Per Cent of Total Cubic Foot Volume Removed in Thinnings Age Oak Pine I III I III Years 30 40 5° 60 70 80 90 100 IS 12 10 9 8 7 7 6 IS 13 11 9 9 8 6 6 14 IS 14 II I 5 S 6 S 4 4 3 3. Fig. 67. The same stand as shown in Fig. 66, but after an A grade thinning removing suppressed trees has been made. Note that the main crown canopy has not been opened by this light thinning. Compare with Fig. Please note that these images are extracte
. The practice of silviculture : with particular reference to its application in the United States . Forests and forestry. 170 INTERMEDIATE CUTTINGS — TIUNNINGS Per Cent of Total Cubic Foot Volume Removed in Thinnings Age Oak Pine I III I III Years 30 40 5° 60 70 80 90 100 IS 12 10 9 8 7 7 6 IS 13 11 9 9 8 6 6 14 IS 14 II I 5 S 6 S 4 4 3 3. Fig. 67. The same stand as shown in Fig. 66, but after an A grade thinning removing suppressed trees has been made. Note that the main crown canopy has not been opened by this light thinning. Compare with Fig. 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 Hawley, Ralph C. (Ralph Chipman), 1880-. New York : John Wiley & Sons, Inc.
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectforestsandforestry
