dFjPtji of cultivation 75 



a machine practically as well as he can a one-row cultivator, 

 thus considerably reducing the cost of cultivation. 



91. One-Horse Cultivators. To complete any equipment 

 for corn cultivation, a fine-tooth, one-horse cultivator should 

 be available for use after the plants are too high to culti- 

 vate with the ordinary tools. The surface mulch made by 



Figure 27. — The two-row cultivator, an economical implement for use in large 

 fields that have been well prepared. 



the early cultivation given is often entirely eliminated by 

 a heavy rain; then, in order to save the moisture needed for 

 the later development of the crop, the surface of the soil 

 must be stirred. This cultivation can best be done with a fine- 

 tooth, one-horse cultivator that stirs the surface thoroughly 

 and yet not so deep as to injure the roots. 



92. Depth of Cultivation. It is impossible to state any 

 arbitrary depth at which it is desirable to cultivate corn. 

 The object of the cultivation should be to leave the soil in a 

 loose, mellow condition on the surface and to destroy any 

 weeds that may be growing, with as little injury as possible 

 to the corn roots. Anyone may convince himself, by careful 

 observation, that the roots of corn quite thoroughly occupy 



