2l6 



ECONOMIC PLANTS 



the dwarf types, the standard variety growing to z. 

 height of from 10 to 15 feet, while the dwarf variety 

 grows from 4 to 6 feet in height. The dwarf broom 

 corn is used in making whisk brushes, and the standard 

 variety in making large brooms. 



Kaffir corn, Jerusalem corn, durra, and milo maize 

 are grown for their seeds, the most important of which 

 is the Kaffir corn. They are very similar in many 

 respects and are especially adapted for growing in 

 regions lacking a plentiful supply of moisture. They 

 are particularly valuable on the semiarid plains of the 

 southwest. 



Sugar Beets. Beets grown for making into sugar 

 must receive somewhat different treatment from that 



FIG. no. Beet Sugar Factory, Nebraska. 



given when they are grown as a vegetable. Numerous 

 experiments conducted under the direction of the United 

 States Department of Agriculture have proved that the 

 best soil for the sugar beet in all the arid regions is the 



