LOBLOLLY OR NORTH CAROLINA PINE. 



91 



Table 37. — ^Yield Per Acre in Cubic Feet, and in Cords With and Without Bark of Stem Wood 

 Without Stump and Without Top Below Three Inches of All Trees Six Inches and Over 

 IN Diameter in Fully Stocked, Unthinned Stands of Loblolly Pine at Different Ages 

 ON Different Quality Sites. 



Standard cords, 128 cubic feet, with bark 



Long cords, 160 cubic feet, without bark 



for breakage. Table 39 is the same as Table 38 except that the yield is 

 given circular sawed, 1/4 ii^ch kerf. Table 40 gives the yield of all trees 

 6 inches and over in diameter scaled by Doyle-Scribner rule and also the 

 average annual increment. The largest average annual increment in 

 board feet is obtained on Quality I by cutting the stand when 50 years 

 old; on Quality II when between 50 and 60 years old; on Quality III 

 when between 60 and 70 years old. 



Tables 41 and 41a give the yield in board feet band-sawed with 1-7 

 inch kerf by cutting to 9 and 11 inches in diameter, respectively. Cut- 

 ting to 9 inches in diameter gives the yield of all trees which make 



