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now lay before you, hoping that if any error in cal- 

 culation may have crept into the ftatements, your 

 readers will attribute it to haftinefs of writing, and 

 not to a defign to miflead. 



Many tempting, and I fear exaggerated accounts 

 have been given of the produce and value of po- 

 tatoes ; and in this refped, I muft confefs myfelf to 

 be in fome meafure guilty j— for, by a reference to 

 vol.iii. of your Papers, you will find that I cftimated 

 their value as a food for hogs, at 4s. per fack, 

 (2401b.) and I at that time verily thought fuch a 

 reprefentation to be the fair, unbiafled refult of an 

 experiment honeftly conduced; but fubfequent 

 trials have made me alter my opinion ; and I fee 

 the impropriety of drawing certain conclufions from 

 a folitary experiment. 



Potatoes ihould not be viewed merely In the 

 light of profit, but as the means ofcleanfing the 

 land, and preparing it mod excellently for a corn 

 crop. There is a great difference between an ex- 

 penfive fallow, and a profitable fallow crop: the 

 farmer, therefore, Ihould be contented, if they pay 

 the expences of an ample manuring, and keep th^ 

 land clean, 



I hav« 



