36 



HATCH EXPERIMENT STATION. 



[Jan. 



The effect of each of the three elements of plant food — 

 nitrogen, phosphoric acid and potash — is more clearly 

 brought out in the tables which follow : — 



Value of increase $8 59 



Financial result (gain) 5 39 



Value of increase $7 04 



Financial result (gain) 3 84 



Value of increase $14 71 



Financial result (gain) , 11 51 



* Gain. 



f Loss. 



