170 



P. D. DOGRA 



Figure 4. Average height 

 growth of moist upper level 

 blue pine class I (avg. ht . 

 120'-140') ; II (avg. ht . 100' 

 120'); and III (avg. ht . 80'- 

 100'), 90-year-old trees. 



135 i3o~ 



YEARS 



'■ 



Figure 5. Average diameter growth at 4.5' level of moist 

 upper level blue pine from Uttar Pradesh and Kulu (Himachal 

 Pradesh) . Based on measurement tables from Troup (1921) 

 and Howard (1928) . 



