104 



FORESTRY ALMANAC 



must restore to full production 81,000,000 acres of denuded lands, 

 only 0.04 of I per cent of which is now being planted annually, and 

 250,000,000 acres of second-growth lands, most of which are pro- 

 ducing only a fraction of what they might. We must also cut our 

 remaining 138,000,000 acres of virgin forests, so that they will be 

 replaced by fully-stocked stands of desirable species. These things 

 can be done only by practically perfect protection of the forests 



RELATION BETWEEN AREA OP DE- 

 NUDED FOREST LAND AND PLANTED 



AREA 

 c. Area of denuded forest land 



81,000,000 acres, 100.00% 

 o, Present area planted to date 



1,148,000 acres, 1.79% 

 ft, Present rate of planting yearly 



36,000 acres, 0.04% 



Relation between present and possible 

 future growth and present drain on the forests, 

 a, Present growth, 24%; b. Additional growth 

 ultimately possible under crude forestry, 

 32%; c, Balance to be made up through 

 practice of intensive forestry, 44%. 



from fire, insects and disease, by extensive planting and by proper 

 sylviculture in other words, by the application of the most effec- 

 tive methods of forest management. 



SENATOR FL.ETCHER. Will you state how many cubic feet per 

 acre we would have to grow to meet our needs annually? 



MR. DANA. Fifty-three, to meet the present drain on the for- 

 ests. That includes losses by fire at present. 



Good intentions will not suffice. Fire protection will not suf- 

 fice. Equitable taxation will not suffice. Crude forestry will not 

 suffice. If every owner of forest land should start tomorrow to 



