

TO THE 



AGRICULTURAL INTEREST OF THE U. STATES. 



GENTLEMEN : 



HAVING, after the expiration of more than 

 thirty years, spent in the pursuit of practical Agri- 

 culture, arrived at certain conclusions entirely at va- 

 riance with the old established doctrines, it is my 

 sincere desire that I may be successful in imparting 

 to my fellow citizens, that knowledge on the im- 

 provement of the soil. It is my object also to shew, 

 why lands are so soon exhausted by the cultivation of 

 certain crops, and the mode to be pursued for its pre- 

 servation and resuscitation. The plan which this 

 work proposes, will insure the cultivation of your 

 different crops of grain and vegetables without ex- 

 hausting the soil, and also will insure the restora- 

 tion of those lands which have been exhausted by the 

 following crops, viz : wheat, corn, oats, rye, barley, 

 tobacco and any of the vegetable products. By the 

 process here recommended, lands may be made very 

 rich in eight or ten years, though a crop of grain, to- 

 bacco, or the grasses, be taken from each field every 



year. By this entirely new system of husbandry, all 

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