INSPECTION OF COMMERCIAL FERTILIZERS 



43 



Phosphoric Acid Compounds. 



The following table gives the analyses of those fertilizer products valued 

 chiefly for their available phosphoric acid. 



Potash Compounds. 



The tables under this heading give the composition of those fertilizer 

 products valued chiefly for their potash. 



Sulfate of Potash-Magnesia. 



