582 



Forestry Quarterly 



Table 1. — Height Growth of Slash and Longleaf Pines in Well-Stocked, 



Second-Growth Stands 



Table 2. — Diameter Growth of Slash and Longleaf Pines in Well-Stocked, 



Second-Growth Stands 



As compared to Loblolly," the diameters shown for Slash on site 

 I rvin higher by 40 per cent at 20 years decreasing to 24 per cent at 

 50 years ; they are only little higher for site II, and lower for site III. 



' Based on sectional age counts of 18 trees, also average height of 19 sample 

 plots (71 trees), and total height average of 9 trees. 



8 Based on sectional age counts of 12 trees, also average height of 19 sample 

 plots (141 trees), and total height average of 5 trees. 



» Decade measurements on 14 0.3-5.0 foot stumps of average sample 

 trees 1 1 to 1 19 years old. 



10 Decade measurements on 12 0.2-2.4 foot stumps of sample trees 17 to 

 56 years old. 



11 Department of Agriculture Bulletin 11. 



