Table I 



Longleaf Pine 



Stand 7 Inches Diameter Breast High and Over 

 Average Yearly Growth Per Acre in Board Feet 



International (Vs-inch) Rule 



Age, years 



Site index in feet 



40 50 60 70 bO 90 100 I 110 



Growth in board feet 



15. 

 20. 

 25. 

 30. 

 35. 



40. 

 45. 

 50. 

 55. 

 60. 



65. 



70. 



80. 

 85. 



90.. 

 95.. 

 100. 



21 



20 60 



43 I2Q 



78 



100 

 LOO 



117 



[20 

 133 

 138 



ill 



150 



17s 

 I'll) 



Ma 



246 

 280 

 271 



144 207 



142 268 



13 



27 



-17 



so 



50 



100 





250 



120 



L'lX) 



300 



400 



167 





417 





229 





500 



043 



275 







725 



311 





622 



MM) 



350 



510 



670 



860 



873 



536 



700 



S7!i 



392 



- 







400 





731 





414 



."71 



728 



h71 



413 



573 





M',7 



419 







B66 



412 



565 



718 



841 



411 



556 



706 



828 



405 







M0 



400 







800 



113 

 325 

 500 

 650 



m 



875 



933 



980 



1,000 



986 

 067 



950 

 941 



922 

 905 

 890 



106 



