DRY LAND FARMING 



third. The same is true of many varieties within the 

 species. They may not have the staying qualities which 

 enable them to endure what may be termed trying con- 

 ditions for growth, while these may be possessed by other 

 varieties of the same class and which may be less valu- 

 able than the former, when grown under favorable con- 

 ditions. This explains in part at least why in the dry 

 country some rugged varieties of spring wheat are gen- 



DRY LAND GRAIN GROWN NEAR PALOUSE, WASHINGTON. 

 Courtesy Northern Pacific Railway Co. 



erally preferred to varieties which may have superior 

 milling qualities. 



It is essential that the crops grown shall be drought- 

 resistant in a marked degree. The difference in plants 

 in this respect is very marked. It explains why certain 

 species of sage brush flourish where the most drought- 

 resistant grasses may fail, and why Kafir corn and Milo 



