1903.] 



PUBLIC DOCUMENT — No. 33. 



119 



growth before midsummer, including onions, lettuce, table 

 beets, garden peas, and strawberries, the nitrate of soda has 

 been found the most efiective source of nitrogfen. The 

 relative standino- of the diflerent nitroo:en fertilizers is as 

 follows : — 



Nitrate of soda, 

 Di'ied blood, 

 Sulfate of ammonia, 



Per Cent. 



100.0 

 92.7 

 54.8 



For late crops, including cabbages, turnips, and celery, 

 the relative standing is : — 



Per Cent. 



Nitrate of soda, 100.0 



Dried blood, 98.7 



Sulphate of ammonia. 



77.5 



The average rate of yield per plot for each of the nitrogen 

 fertilizers for the present season is shown in the following- 

 table : — 



Nitrogen Fertilizers compared for Garden Crops. — Yield per 

 Plot {PoinuU). 



It will be seen that for most of the crops the results are 

 similar to the average results of preceding years. Nitrate 

 of soda, however, stands relatively somewhat lower. Com- 

 bining the results of this year with those of previous years , 

 the relative standing of the different fertilizers used as 

 soiu^ces of nitrogen is as follows : — 



For the early crops, including onions and strawber- 

 ries : — 



Nitrate of soda, 

 Dried blood. 

 Sulfate of ammonia. 



Per Cent 



100.0 

 93.7 

 57.3 



