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I have been informed that potatoes have been 

 raifed to the amount of looo bufhels per acre, but 

 my experiments are not fo flattering; and pofTibly, 

 thofe great crops were on Sijmalljcaley and from a gar- 

 den, which might be nearly a mafs of putrid manure. 



Such experiments are always fallacious. I have 

 never had a greater produce than a fack in a perch, 

 or 1 60 facks per acre 3 though I know it is poflible 

 . to raife a greater quantity of fome forts ; fuch as the 

 Surinam^ the Ox-mbky and the Horfe-legs\ but are 

 thefe potatoes fa nutritious ? I think not, 



It may be ejcpe^led that I fhould fay fomething 

 of the curl difeafe, to which this root is in fome de- 

 gree liable j but I mufl confefs, that notwithftand- 

 ing all my attention for twenty years pafl:, during 

 •v^'hich time I have been in the conflant habit of 

 planting on a large fcalc, I cannot fpeak decijively on 

 this fubjedt. It feems involved in impenetrable 

 myftery. I have planted from the fame pit of pota- 

 toes on the fame day, in the fame foil, prepared witl> 

 the fame manure ; part of the crop has come curled, 

 part not ; nay, I have known two fhoots from the 

 /c{me fet, the one curled, the other not. I have 

 raifed from feed, and been careful to gather the 

 feed, from the fineft and moft flguriihing plants ; 



they 



