T.^BLE 16. — Average volume of growing stock per acre, by stand-siz 

 class and region, Indiana, 1950 



BOARD-FOOT VOLUME 



Table 17. — Average 10-year diameter growth, by species and tree-size 

 class, Indiana, 1950 



Standard-size class 



State 



Northern 



Southern 



Large sawtimber stands 



Small sawtimber stands 



Poletimber stands 



Seedling and sapling stands 



Nonstocked stands 



5,784 



3,051 



583 



112 



377 



6,247 



3,206 



458 



188 



1,385 



5,376 

 3,016 



613 

 93 



104 



Average 



2,697 



3,952 



2,192 



CUBIC-FOOT VOLUME 



Large sawtimber Stands - 



1,165.4 



919.7 



372.4 



48.2 



68.9 



1,207.1 



922.1 



355.7 



47.0 



223.1 



1,128.7 





919.2 



Poletimber stands 



376.5 



Seedling and sapling stands 



Nonstocked stands 



48.4 

 27.1 





682.9 



857.9 



612.5 







Species 



Sawtimber 



Poletimber 



Seedling 

 and sapling 



Pine - ._. - .- --- 



Inches 

 1.40 

 1.60 

 2.12 

 1.72 

 2.04 

 2.16 

 2.34 

 2.94 

 1.46 

 2.00 

 2.38 

 4.18 

 2.50 

 1.88 

 2.12 

 1.40 

 1.68 

 2.84 

 2.54 

 1.62 

 2.04 

 2.44 



Inches 

 3.40 

 1.24 

 1.34 

 1.18 

 1.16 

 1.94 

 2.28 

 2.72 

 1.38 

 1.62 

 1.94 

 3.32 

 2.50 

 1.84 

 2.18 

 1.34 

 1.56 

 2.44 

 2.58 

 1.70 

 2.08 

 2.06 



Inches 

 3.18 



Other softwoods - -. 



1.10 





1.06 



Chestnut oak _ 



.90 





1.76 



Black oak _ 



2.00 



Northein red oak 



1.64 



2.34 



Hickorv 



1.12 



Ash 



1.30 



Elm --- 



1.70 





1.60 



Yellow-poplar - 



1.72 





1.64 



Sweetgum . 



1.72 





1.14 



Sugar maple 



Soft maple 



Sycamore 



Beech 



Black walnut 



Other hardwoods . 



1.18 

 1.74 

 3.50 

 .84 

 1.94 

 1.60 







.\verage, all species 



2.14 



1.78 



1.48 



T.ABLE 18. — Average growth per acre oj sawtimber and growing stock, by region, Indiana, 7950 



SAWTIMBER 



Region 



Growth on 

 present inven- 

 tory volume 



Ingrowth 



Mortality 



Net growth 



Northern . 



Board-feet 

 108 

 67 



Board-feet 

 84 

 52 



Board-feel 

 7 

 4 



Board-feet 



185 





115 











79 



61 



5 



135 







GROWING STOCK 



Northern _ _ 



Cubic feet 

 26.7 

 23.3 



Cubic feet 

 2.8 

 3.6 



Cubic feet 

 1.9 

 1.4 



Cubic feet 



27.6 





25.5 







State ... 



24.3 



3.3 



l.S 



26.1 







42 



Forest Resource Report No. 10, U. S. Department of Agriculture 



