2 9 6 TRAVELS THROUGH 



per acre ; manured with twenty tons, if 

 produced only three hundred and fifty ; and 

 with.no manure at all no more than one 

 hundred and feventy; which is a clear proof 

 of the confequence of being liberal in ma- 

 nuring for this root. 



He alfo found, upon experiment, that 3, 

 bufhel of potatoes was a very good day's 

 food for a large working ox, or a milclj 

 . cow, with the affiftance of a fmall quantity 

 of draw, or, if the weather was not fevere, 

 with running on a common or indifferent 

 pafture ; an acre, therefore, producing, as 

 above, fix hundred bufhels, will fupport an 

 ox or cow fix hundred days ; but, as the 

 Winter is not more than one hundred and 

 fixty days, an acre nearly maintains four of 

 them. This piece of intelligence M. Pre- 

 faint feemed to think very important, as it 

 opened to the hufbandman a field for the 

 Winter fupport of cattle, which was, of all 

 other things, what was molt wanting in 

 in oft parts of France. 



He has alfo found, by experiment, that 

 three large lean hogs will eat two pecks in 

 a day, or fix of them a bumel a day ; fp 

 that acre will carry twenty-four of them 



through 



