138 SUGAR PLANTS 



or October, and are then plowed up with a special beet 

 plow. The tops are cut off, and the roots are sent to 



BEET SUGAR FACTORY 



the factory. From fifteen to twenty-five tons of beets 

 form the usual yield per acre. 



Maple sugar. The delicious maple sugar is made 

 from the sap of the sugar maple and red maple trees. 

 Early in the spring, when the sap begins to flow, the 

 trees are tapped by boring a hole in the trunk and 



