IRRIGATION VS. DRY-FARMING 



329 



vated for the same crop returns, for it has been amply 

 demonstrated that the acre yields under proper irri- 

 gation are very much larger than the best yields under 



Fig. 90. Dry-farm with flood-water reservoir. Utah. 



the most careful system of dry-farming. Secondly, a 

 greater variety of crops may be grown on the irrigated 

 farm than on the dry-farm. As has already been 

 shown in this volume, only certain drouth resistant 

 crops can be grown profitably upon dry-farms, and 

 these must be grown under the methods of extensive 

 farming. The longer growing crops, including trees, 

 succulent vegetables, and a variety of small fruits, 

 have not as yet been made to yield profitably under 

 arid conditions without the artificial application of 

 water. Further, the irrigation-farmer is not largely 

 dependent upon the weather and, therefore, carries on 



