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 

 117 brands of fertilizer materials which were offered for 

 sale by dealers or had been deliyered to consumers during 

 the year ending June, 1929. The general character of the 

 fertilizer materials collected is shown by the following 

 classification : 



Complete fertilizer 94 



Nitrogen and superphosphate 1 



Nitrate of Soda 4 



Ground bone 6 



Natural manures 6 



Superphosphate (acid phosphate) 4 



Tankage 1 



Basic slag 1 



ir 



