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INTRODUCTION. 



the common usage of tilling the soil, or 

 breaking the surface, for the extermination of 

 the plants in actual possession — nor shall I 

 attempt to force Nature to throw up the 

 crops I wish for, by obtruding their seed upon 

 her, hoping to carry the same point by kind- 

 ness and accommodation, by adapting the 

 soil to the habits and likings of the vegetables 

 I wish for, and thus tempting them to choose 

 it, and settle on it. 



The untouched domains of Nature, to which 

 I propose to call attention, are detailed in the 

 following eight chapters. 



