THE CALL OF THE LAND 



natural cistern below he can view a long 

 succession of sunny days not only with com- 

 posure but with glee. In any event it is a 

 great thing to possess control of your water 

 supply, that moisture may be applied with 

 regularity instead of fitfully as Nature so 

 often applies it, tempests and drouths alter- 

 nating. 



I introduce, in conclusion, a couple of 

 problems relating to "Campbellism," touch- 

 ing which, it is just to say, some difference 

 of opinion exists among experts. 



The first is this: With how little rainfall 

 can dry farming be successfully carried on? 

 Obviously there must be some precipitation 

 or else this form of agriculture must fail, 

 must give way to irrigation when that is 

 possible or cede the field to cattle or despair. 

 No one advocates dry farming for southern 

 Utah and Nevada or southeastern Califor- 

 nia, where, over vast ranges, only 2, 3, 4, 5 

 or 6 inches of rain fall in a year. The fall 

 must be greater than this or you must irri- 

 gate. 



Good authorities maintain that water 



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