DRY-FARMING 



depth of from four to five inches, but, of 

 course, it is possible to plow to a much 

 greater depth if desired. There are but 

 few reliable data as to the cost per acre 

 for steam cultivation, and the figures 

 given by operators vary all the way from 

 50 cents to $3 per acre. A safe estimate 

 would probably be about $2 per acre. 



Gasoline Traction-Engine. 



The gasoline traction-engine has sev- 

 eral distinct advantages over the steam 

 traction-engine. In the first place it is 

 much cheaper: a gasoline engine costs 

 from $1000 to $2000 less than a steam 

 engine of the same capacity; and two 

 men are sufificient to run it compared 

 with the three or four required for a 

 steam outfit. Further, statistics show 

 that land can be plowed up with this type 

 of engine more cheaply than with steam 

 power. But the greatest merit of the 

 268 



