LONGLEAF PINE 
15 
Table 3. — Groivth in height of longJeaf trees from 4 to 12 feet in height, on 
lands burned yearly and on protected lands. (Berkeley' County, S. C.) 
Year 
Yearly growth in height. 
On land 
burned 
over 
yearly 
On pro- 
tected 
or "rough" 
land* 
Growth on 
burned 
land 
on basis of 
that on 
unburned 
land 
1915 
Inches 
11.8 
12.9 
15.0 
12.3 
Inches 
19. f> 
22. 1 
10.2 
18. 1 
Per cent 
GO 
58 
147 
68 
1916- _ 
1917 
1918... 
Total 2 
52.0 
70.0 
374 
1 Except for one Are in February, 1917. 
2 Four years. 
3 Average. 
Thus the two-year average growth of longleaf pine for 1915 and 
1916, on the land regularly burned over, was 12.4 inches as com- 
pared with 20.8 inches on the unburned land, or a growth on the 
burned land of only 59 per cent of normal. 
Because of the stimulus of increased light and soil 
moisture, a tree measuring 10.4 inches in diameter 
at the time of the logging grew during the next 18 
years to a diameter of 18.2 inches, an average of 
nearly 1 inch in 2 years. The merchantable length 
increased from 48 to 56 feet; the merchantable vol- 
ume from 100 to 326 board feet, an average yearly^ 
increase of 13 per cent and a total increase of 226 
per cent. The butt log, which at the time of logging 
would have furnished a 4 by 4 stick, now yielded a 
10 by 10 timber. The value of the standing tree at 
$1 per thousand was 10 cents when it was left in 
logging, and in 1920 at $8 per thousand it was $2.60. 
The value of the lumber product of the tree in- 
creased from $1.70 to $14.75. 
After the accidental fire on the protected land, the growth the 
following season averaged only 10.2 inches, or about one-half the 
usual amount under protection ; and the second season after the fire 
the growth averaged 18.1 inches, still a little below the general 
average. 
PRODUCTION OF TIMBER 
Second-growth longleaf pine is increasingly used for lumber, cross- 
ties (to be given a preservative treatment), cooperage, boxes, crates, 
pulp wood, mining timber, and fuel wood. Similar new uses for 
small-sized timber with wide rings and coarse texture have been 
