168 



POTATOEB. 



[Chap.VII. 



PRODUCE OF AN ACRE OF WHEAT. 



287. Forty bushels is a good crop ; but from fifty to 

 sixty may be grown. 



Pounds of Wheat. 

 40 bushels 60 pounds a bushel . . . 2,400 

 45^ pounds of flour to each 



bushel of wheat . . . 1820 

 13 pounds of otfal to each 



bushel ..:... 520 

 Waste 60 



2,400 



The worth of offal is about 

 that of one bushel of 

 flour ; and the worth of 

 straw, 2 tons, each worth 

 2/. is equal to six bushels 

 offlour 3181 



Founds •/ Flour. 

 . 2,139 



So that the total yield, in Jlour, is . 



Pounds of Bread. 

 Which, will make of bread, at the 

 rate of 9 pounds of bread from 

 7 pounds of flour 2,739| 



PRODUCE OF AN ACRE OF POTATOEB. 



288. Seven tons, or 350 bushels, is a good crop; 

 but ten tons, or 500 bushels may be grown. 



Pounds of Potatoes. 

 Ten tons, or 22,400 



Pounds of Flour. 

 Ten pounds of Potatoes contain one 



pound of flour 2^40 



Pounds of Bread. 

 Which would, if it ivere possible to 

 extract the flour and get it in a dry 

 state, make of bread ...... 2,880 



