14 
Bulletin 827, U. S. Dept. of Agriculture. 
CLIMATE. 
In addition to the factors mentioned, the Piney Woods region 
has the advantage of a mild climate with long summers and short, 
mild winters. The average date of the last killing frost in the 
spring is March 10, and the first killing frost in the fall is after 
Fig. 5. — Land not in farms, according to the census of 1910. 
XoA^ember 11. This gives a growing season of from 220 to 210 days. 
The annual rainfall is heavy, seldom falling below 50 inches in any 
section and often reaching as high as 80 inches in some sections. 
Such a climate permits an abundant growth of pasture plants and 
offers a grazing season of 8 or 9 months. 
AREA IN FARMS AND GRAZING LANDS. 
Figure 5, compiled from the census of 1910, shows the land not 
in farms in the United States. In the States under discussion the 
