DRY-LAND CROPS 



now growing duriun wheats in place of 

 Fife and Blue-stem. But the excessive 

 humidity of the atmosphere makes this 

 section of the country wholly unsuited to 

 their growth. In short, durum wheats 

 are the best spring wheats to be grown 

 where the summers are hot and dry; but 

 they do not give satisfactory yields in 

 humid regions. Durum wheats first be- 

 came prominent in the commercial world 

 of the United States in the year 1903 

 when 6,000,000 bushels were produced; 

 the annual harvest has steadily risen until 

 today the total crop is close on 100,000,- 

 000 bushels. 



Winter (Crimean) Wheat Zone. 



The zone in which the hard winter or 

 Crimean wheats are grown includes the 

 State of Kansas, southern and central 

 Nebraska and Oklahoma, the Panhandle 

 of Texas, Montana, Colorado, and Al- 

 219 



