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farinaceous matter proving to be confiderably more 

 than one-fourth of the weight of the root. The 

 crop was two hundred facias per flatute acre, each 

 fack weighing two hundred and twenty-four pounds. 

 The mode of managing the crop, nature of the foil, 

 &c. are fee down in the third volume of the Bath 

 Society's Papers, p. 288. 



But my principal defign in adverting to this in- 

 ftance, is to excite an attentive regard to the prodi- 

 gious quantity of vegetable food produced from an 

 acre of ground, equal at leafl: to two hundred bufliels 

 of wheat; for I have long fmce made up my mind 

 as to this faft, that a fack of potatoes of two hun- 

 dred and twenty-four pounds containing one-fourth 

 part of farinaceous matter is at lead equal in value, 

 as an article of food in the family of a poor cottager, 

 to a bufliel of the befl wheat; and the unanimous 

 concurrence of this defcription of people will bear 

 me out. 



It is true, that crops like this are feldom obtained; 

 however, I believe they might be obtained not un- 

 frequently, by a judicious attention to the circum- 

 ftances of foil, fituation, feafon, &c. and, fpeaking 

 in general terms, I am firmly of opinion that one 

 hundred and twenty facks of potatoes per acre may 

 be more certainly raifed than twenty-five bufliels of 

 wheat; at the fame time it mufl be admitted, that 

 fome foils are totally unfit for the culture of potatoes; 



a very 



