( 33 ) 



thofe whom it is propofed to keep, may be 

 fed conftantly with them, during the whole 

 courfe of the year. 



§ XXI. 



The nett Produce of an Acre of Land, Lor- 

 rain Meafure. 



In order to fave cultivators fome trouble, 

 in calculating what quantity of roots may be 

 produced in an acre of land, Lorrain mea- 

 fure, which is nearly equal to half an acre 

 of France, I will ft a re here the method of 

 proceeding in that calculation, and of (hew- 

 ing the refult. The acre of land contains 

 250 fquare roods, the rood contains ten feet, 

 and the foot ten royal inches : the arpent then 

 comprehends 2,500,000 fquare inches of fur- 

 face ; but every fquare of 18 inches contains 

 (multiplying 18 by' 18) 324 fquare inches; 

 and thus, in dividing 2,500,000, by the 

 number of fquare inches neceffary to every 

 root, it will be found, that 7,716 roots may 

 be planted in an acre of Lorrain, placing 



them 



