[ X ] 



Great, of late years, have thofe improve- 

 ments been in the progreffive extinftion of 

 fummer fallows, by means of ameliorating, 

 and at the fame time profitable, feeding crops. 

 That it has been an age of fpeculative, as well 

 as pra6lical, experiment, will be allowed; and 

 the confeffion may be made without regret. 

 For though individuals may have frequently 

 failed in different projefls, the contrary muft 

 never be expefted in firft experiments. It is 

 not in human wifdom to devife at once the 

 means of reaping from all-bountiful nature 

 the fuUeft produce of her powers. In the 

 prefent ftage of experimental difcovery, fun- 

 dry profitable fafts have been afcertained, 

 refpefting the relative value of crops, and 

 articles of food for live flock. 



Of the publick importance of Mangel- 

 Wurzel, but little expeclation is now formed; 

 and while turnip crops, in various fituations, 

 will continue to maintain their importance, 

 it feems, from confirmed experience, that large 

 cabbages, carrots, parfnips, turnip-rooted cab- 

 bage, ruta-baga, and potatoes, will be found 

 of increafing confequence to the nation. 



Of 



