SUPERPHOSPHATE AND GUANO. 



331 



vin. 



Messrs. William L, Bradley Sf Co. 's Patent Superphosphate. 

 (Messrs. J. & J. A. Rice of Worcester, Mass.) 



Total phosphoric acid 

 Soluble " " 



Reverted " " 



Insoluble " " 



Kitrogen 

 Moisture 



Valuation per ton of two thousand pounds 



146.0 pounds of soluble phosphoric acid 

 12.4 " reverted " " 



73.6 " insoluble " " 



65.4 " nitrogen .... 



IX. 



Per cent. 



11.60 



7.30 



.62 



3.68 



3.27 



17.88 



$18.25 



1.12 



4.42 



13.74 



$37.53 



Messrs. William L. Bradley §• Co.^s Original Coe^s Superphosphate. 

 (Messrs. J. & J. A. Rice of Worcester, Mass.) 



Total phosphoric acid 

 Soluble « " 



Reverted " " 



Insoluble " " 



Nitrogen 

 Moisture at 100° C. 



Per cent. 



12.29 



7.40 



.34 



4.54 



2.78 



20.34 



Valuation per ton of two thousand pounds : — 



148.0 pounds of soluble phosphoric acid 

 6.8 " reverted " « 



90.8 

 55.6 





insoluble 

 nitrogen 



$18.50 



.60 



5.45 



11.68 



$36.24 



Pine-Island Guano, Cuinnipiac Fertilizer Co., New Haven, Conn. 



