94 MANUAL OF GARDENING 



by the character of the land and the purposes for which it is 

 to be fitted. Lands that are hard and cloddy may be reduced 

 by the use of the disk or Acme harrows, shown in Fig. 86; but 



Excellent types of surface plows. 



those that are friable and mellow may not need such heavy 

 and vigorous tools. On these mellower lands, the spring-tooth 



86. Disk and Acme harrows, for the first working of hard or cloddy land. 



harrow, types of which are shown in Fig. 87, may follow the 

 plow. On very hard lands, these spring-tooth harrows may 

 follow the disk and Acme types. The final preparation of the 



