In the 12 inch case the expenses i^re 0.04 -f o-o5 «> 80 



0^05 ~ 



In the 14 inch case the expenses are 0.05 + 0.05 m 



0.05 ~ 



EQUATION : (8.14 - 1.60) = (8.86 - 1.80) = (9.56 - 2.00) 



6.S4 7.06 7.56 



RESULT : Cutting down to 14 inches only, the most con- 

 servative practice, pays best. It pays by $1 per acre, better than cut- 

 ting down to 10 inches, and by 50c. per acre, better than cutting 

 down to 12 inches. 



IS 



