﻿62 BULLETIN 24, U. S. DEPARTMENT OF AGRICULTURE. 



planting. Clear cutting and eradication of undergrowth and useless 

 trees is necessary in any case. To insure natural reproduction seed 

 trees must be left and the soil prepared for the seed. On situations 

 unfavorable to natural reproduction cottonwood must be planted. 

 Planting, in fact, will probably be necessary to supplement natural 

 reproduction over large portions of nearly every extensive bottom- 

 land tract. Artificial reproduction is but little more costly than 

 natural, and since under it results are much more certain, it may 

 often be advisable to employ it exclusively. 



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