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 127 brands of fertilizer materials which were offered for 

 sale by dealers or had been delivered to consumers during 

 the year ending June, 1931. The general character of the 

 fertilizer materials collected is shown by the following classi- 

 fication : 



Complete fertilizer 103 



Nitrogen and superphosphate 1 



Superphosphate (acid phosphate) .... 6 



Nitrate of Soda -..- 1 



Calcium nitrate 1 



Sulphate of ammonia 2 



Ground bone ..- .-. 5 



Tankage 2 



Natural manures 6 



127 



THE FERTILIZER LAW 



The New Hampshire fertilizer law applies to all fertilizer 

 materials offered for sale, whether mixed materials in the 

 form of complete fertilizers or unmixed materials as super- 

 phosphate (acid phosphate), nitrate of soda, ground bone, 

 tankage, etc. Under the provisions of the law every manu- 



