CHEMISTRY OF THE POTATO. 143 



the tuber, it is difficult to decide ; at any rate, a large saving is ef- 

 fected b}" the process." 



Below are given the results in detail of Mr. Fr\'e's experiments. 



Equal lengths of each plot were taken up, all having been culti- 

 vated alike, and growing side by side. 



2 Rows of King of Potatoes not moulded up : — 

 Diseased tubers, 

 Good " 



u 



Excess of bad, 

 2 Rows of King of Potatoes, the haulm laid down : — 

 Good tubers. 

 Diseased tubers, 



Excess of good. 



Another part of the field : — 



' 2 Rows of King of Potatoes not moulded up : — 



2^ 



Diseased tubers, 

 Good '' 



Excess of bad, 

 2 Rows of King of Potatoes, the haulm laid down : — 

 Good tubers. 

 Diseased tubers, 



Excess of good, 



^ 2 Rows Regents, moulded as usual : — 

 Good tubers, 

 Diseased tubers. 



Excess of good, 2 8 



3 "j 2 Rows Regents, the haulm laid down to within 6 inches 

 of ends (rather overdone) : — 



Good tubers, 19 5 



Diseased tubers, 4 6 



Excess of good, 



' 2 Rows Regents, moulded as usual : — 

 Good tubers. 

 Diseased tubers. 



H 



Excess of good, 

 2 Rows Regents, the haulm laid down 

 Good tubers. 

 Diseased tubers, 



Excess of good, 



