GROWING SUGAR BEETS IN CALIFORNIA. : 95 
and November. The irrigation may come before the land is plowed, 
or after the plowing, depending on the condition of the soil. It is 
Fic. 12.—Pipes used for irrigating. They have been distributed across the field, but 
; have not been connected in a continuous line. 
frequently advisable to put the water on the land before plowing, 
since this practice greatly facilitates that operation. 
Occasionally it is necessary to irrigate the beets after they are up. 
When this is done river water is used, being pumped through the 
same system as is used for the factory waste water, at the same 
Vic. 13.—Irrigating sugar beets. 
charge per acre. At this time the flood system is used without the 
use of surface pipe. 
