INSPECTION OF COMMERCIAL 

 FERTILIZERS 



MADE FOR THE 

 STATE DEPARTMENT OF AGRICULTURE 



The inspection of commercial fertilizers reported in this 

 bulletin was made under the direction of the Honorable 

 Andrew L. Felker, Commissioner of Agriculture. The 

 state inspector, Mr. Eugene D. Sanborn, collected samples 

 of 128 brands of fertilizer materials which were offered 

 for sale by dealers or had been delivered to consumers 

 between March and June, 1928. The general character of 

 the fertilizer materials collected is shown by the following 

 classification : 



Complete fertilizer 96 



Nitrogen and phosphoric acid 1 



Nitrate of soda 7 



Ground bone 6 



Sheep manure 6 



Superphosphate (acid phosphate) 3 



Sulphate of ammonia 2 



Tankage 2 



Sheep and goat manure 2 



Goat manure 1 



Basic slag 1 



Muriate of potash 1 



128 



