198 



COBN CROPS 



the plants tough, a weeder may be used until the corn has 

 reached the height of twelve inches. 



Fig. 62. — The simplest type of one-row cultivator, in extensive use 

 throughout the corn belt. 



The corn cultivator has undergone a rapid evolution in 

 the past fifty years. The first horse cultivators were single 



Fig. 63. — A modern riding corn cultivator, with handy adjustments and 

 attachments, to readily adapt for all kinds of corn cultivation. Disk 

 gangs attached. 



