THE HARROW. 



Fis. 115 



141 



Gang plow. 



or less obliquely, by means of a fixed contrivance for 

 this purpose. 



SECTION II. 



PULVERIZERS. 



The fine pulverization of the soil, for the ready ex- 

 tension of the fine roots of plants, and for the thorough 

 intermixture of manure, is of great importance to the 

 farmer. It is but partially accompHshed by the plow, 

 which crumbles the soil only so far as may be done by 



the act of turning it over, 



Fi?. no. 



Scotch or square harrow. 



Hence additional imple- 

 ments are needed for this 

 purpose, among which are 

 the harrow, the cultiva- 

 tor, and the clod-crusher. 



THE harrow 



The common form of 

 the harrow is represented 

 by Fig. 116, which con- 

 sists of two parts hung 



