366 Weeds, ^j. 



In dcftroying the firft crop of fuckers, a fe- 

 cond expofure of roots takes place ; and 

 to render the expofure as ample as poflible, 

 the greattft quantity of furface flitould ftill be 

 preferved. 



Hence it follows that the plow is the fittcft 

 implement for the deftrudtion of couch. 



The harrow deftroys the requifitc rough- 

 ness and OPENNESS of the foil, and. leflensS 

 the defirable qttantity of surface. The 

 common pradlice of harrowing out live roots, 

 and burning them, or carrying them off, \i 

 an evident impropriety ; incurring a wafte of 

 labour, nnd an impoverifhment of the foil. 



To attempt to deClroy couch-grafs with the 

 lof;^ or any other implem.ent of weeding. 

 Implies Ignorance or folly in the extreme. 



I fpeak not here from theory, or from the 

 opinion of others, but from my own experi- 

 ence and obfervation in different Diftiicfts of 

 the kingdom. 



Docks. The growth of this genus of plants 

 is dlficrcnt from that of either of the forego- 

 ing. It matures its feeds quickly, and in 

 great abundance ; but they have no wings to 

 fcattcr them at a diftance ; they fall at the 



foot 



