250 DRY-FARMING 
deed it has been found much more profitable than 
wheat production. The field bean, likewise, has 
been grown successfully under dry-farm conditions, 
Fic. 59. Dry-farm sixty-day oat field. Choteau, Montana. Yield, 105 
bushels per acre. j 
under a great variety of climates. In Mexico and 
other southern climates, the native population pro- 
duce large quantities of beans upon their dry lands. 
