Table i 



Longleaf Pine 



Sample Plots 

 Distribution by Age and Site 



Site index in feet 



Age, years 



30 40 50 GO 70 80 90 100 110 Total 



X amber of plots 



10 . . ... 





, 



20._ 



30-. 



1 



1 G 

 2 3 7 



40 





2 3 



50-.. 





G 



60 





6 



70 







80 









1 



90-. -. 





1 



100._ 







110_ 



Total. 



80 



5 4 



19 13 



8 1 



7 3 



1 





22 



70 

 38 

 26 



19 

 8 

 G 

 1 

 4 

 2 



211 



Average Deviations of Individual Plots from Yield Tables 



Trees 2 inches in d. b. h. and over: 



Number 25.7 per cent . 



Basal area 14 .5 per cent . 



Average d. b. li 11.3 per cent. 



Volume in cubic feet 17.3 per cent. 



Trees 7 inches in d. b. h. and over: 



Volume in board feet, International H-inch rule 27.6 per cent 



116 



