131 



Plot Yields (one acre each) 



Plot location 



Species 



Age 

 years 



Cubic 



feet 



contents 



Mean 

 annual 

 growth 



cu. ft. 



Weight 

 produced 

 per year 



in 

 pounds 



1. Prairie, agricultural 



2. Alluvial bottom . . . 



3. Prairie, agricultural 



4. Alluvial bottom.... 



5. Prairie 



6. Upper Miss, bottoms 



7. Hilly upland. . . . 



8. Alluvial bottom. 



9. Hardwood bottom.. 



10. Prairie 



11. Upland, hilly. 



12. Sands 



13. Upland, thin rocky.. 



Catalpa 



Maple, ash, elm, 



sycamore .... 

 European larch . . 

 Sycamore, burr 



oak 



Black walnut. . . . 

 Maple, elm, pin 



oak, others . . . 



White pine 



Pin oak, b 1 a c 1? 



oak, red gum. 



ash, others .... 

 White oak, cherry. 



hickory, others. 

 Black walnut. ... 

 White oa;, black 



oak, others 

 Black oak, others 

 White oak, black 



oak, hickory. . 



4350 



4595 

 8414 



2994 

 3777 



2185 

 1929 



2451 



2049 

 2069 



1561 

 1365 



604 



or cleared it is often possible to start vi'ith a rapidly trrowing species that 

 would not succeed in competition with well-established natural vegetation. 



The indicated yields in pounds per acre on different classes of soils 

 compare favorably with the yields of agricultural crops. 



Prices per pound for wood crops may be based on an average weight 

 of 35 lbs. per cubic foot for comparison. Taking average prices re- 

 ceived, as given by replies to the ([uestionnaire, these were: 



Veneer logs . 



Posts 



Piling 



Lumber 



Cross-ties . . . . 

 Mine timbers 

 Fuel wood . . . 

 Cooperage . . . 



Owing to the fact that a large percentage of the forest crop may be 

 composed of the cheaper grades of wood, such as cord wood, the aver- 

 age price per cubic foot may fall considerably below that for the highest 



