192 SOILS AND PLANT LIFE 



The old-fashioned cultivator with four large shovels, 

 which stirred the ground deeply and left it in a ridged 



Fig. 82. — Cultivator with large shovels. 



condition, is being gradually displaced by others, having 

 six or more smaller shovels. It was formerly held that 



Fig. 83. — Cultivator with small shovels. 



the ground in which corn was growing required deep 

 stirring throughout the early part of the season. This 



