. American forest regulation. Forestry law and legislation; Forests and forestry. The Normal Forest 63 Table 8. Yield of White Pine in New Hampshire. Lumber yield Mean annual Current annual per acre, increment increment, Year board feet board feet board feet 10 0000 a x-N 0 0 20 4500 b n 225 «225 30 13900 c n 463 plus 940 40 32800 d ^ 820 1890 50 49100 e JQ 982 1630 60 60200 f J^ 1003 plus mo (70) (69900) 970 Adopting the formula we have, 10(4,500+13,900 4-32,800-!-49,100+—'—) board feet = 10(130,400) = 1,304,000 board 2 feet on 60 acres or 21,733 plus per acre. When a rotation of 60 years is
. American forest regulation. Forestry law and legislation; Forests and forestry. The Normal Forest 63 Table 8. Yield of White Pine in New Hampshire. Lumber yield Mean annual Current annual per acre, increment increment, Year board feet board feet board feet 10 0000 a x-N 0 0 20 4500 b n 225 «225 30 13900 c n 463 plus 940 40 32800 d ^ 820 1890 50 49100 e JQ 982 1630 60 60200 f J^ 1003 plus mo (70) (69900) 970 Adopting the formula we have, 10(4,500+13,900 4-32,800-!-49,100+—'—) board feet = 10(130,400) = 1,304,000 board 2 feet on 60 acres or 21,733 plus per acre. When a rotation of 60 years is assumed, the normal growing stock formula result may be figured for an acreage equal to the number of years in the Appendix F. Graphic Comparison of Normal Growing Stock Formula (for text, see Appendix F).. 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 Woolsey, Theodore Salisbury, 1879-1933; Chapman, Herman Haupt, 1874-1963. New Haven, Conn. , The Tuttle, Morehouse and Taylor Company
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