136 



The Sugar-Beet in America 



before harvest, have been proven to be false. If the plant 

 suffers for water either early in the season or late, the 

 yield of the crop will be reduced. The soil auger will be 

 found valuable in determining the moisture condition of 

 the subsoil, and will thereby assist the farmer in judging 

 when to irrigate. 



Size of irrigation. 



The amount of water to apply in each irrigation is a 

 subject of constant discussion among irrigators, who seem 

 unable to come to any definite agreement. This must 



Fig. 14. — Effect of weekly irrigations on yield of beets and tops. Utah. 



