130 



HATCH EXPERIMENT STATION. 



[Jan. 



Value of increase, . 

 Financial result (gain), 



74 

 54 



Value of Increase $34 06 



Financial result (gain) 30 86 



TJie Effect of tlie Nitrogen. — It will be noticed that the 

 employment of nitrate of soda alone (nitrogen) gives a 

 crop Avhich is actually less than that produced where no fer- 

 tilizers are used. This variation is very likely accidental, 

 as it can hardly be supposed that the nitrate is actually 

 injurious. When used with potash alone, the nitrate gives 

 a moderate increase in the crop. The average result is 

 an increase of a little more than a bushel of grain, but a 

 decrease of nearly 500 })ounds in stover. The nitrate does 

 not pay for itself, on either of the four plots to which it 

 was applied ; for the cost of the 100 pounds is $3. 00, and 

 on the only })lot Avherc the increase in grain is sufficient to 



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