9 FARM MACHINERY 



back by a lever when the gangs are lifted in order to be 

 more directly under the weight and prevent the tongue 

 from flying up. 



The combined cultivator, walking and riding, is illus- 

 trated in Fig. 67. This cultivator has a straddle seat and 

 a balancing lever to adjust for the weights of different 

 riders. 



The surface, or the gopher, cultivator (Fig. 68) is used 

 for surface cultivation. It is very effective in destroying 



FIG. 69 A TWO-ROW CULTIVATOR, GUIDED WITH A LEVER 



weeds when small, conserving the soil moisture, and does 

 not prune the corn roots when working close to the corn. 



The two-row cultivator is the latest production in the 

 line of cultivators. It is a very useful tool where farm 

 labor is scarce, and will do very creditable work for 

 subsequent cultivations when the plants are of some 

 height. Fig. 69 illustrates a cultivator of this type. 



The disk cultivator illustrated in Fig. 70 is a tool which 

 will move large quantities of dirt to or from the corn. 



