ALL KINDS OF SUPERPHOSPHATES. 



273 



X. — Granite State Superphosphate of Bradley Fertilizing 



Company. 



(Collected of Mr. A. H. Parker, Pepperell, Mass.) 



Total phosphoric acid, 14.56 per cent. 



Soluble " " 8.64 



Reduced " " 2.19 



Insoluble " " 3.73 



Nitrogen, 2.34 



Moisture, . ., 19.56 



Valuation per ton of 2,000 pounds. 



172.80 pounds of soluble phosphoric acid, 

 43.80 " of reduced 

 74.60 " of insoluble " " 



46.80 " of nitrogen, 



$21 60 



3 95 



4 48 

 9 83 



$39 86 



XI. — Superphosphate XL of Messrs. Wm. L. Bradley & Co. 



(Collected of Messrs. Parker & Gannett, Boston, Mass.) 



Total phosphoric acid, 12.58 per cent. 



Soluble " " 7.62 " 



Reduced " " . 0.46 " 



Insoluble " " 4.50 " 



Nitrogen, 3.15 " 



Moisture, 25.00 



Valuation per ton of 2,000 pounds. 



152.40 pounds of soluble phosphoric acid, .... 



9.20 " of reduced " "...-.. 



90.00 " of insoluble " "..... 



63.00 " of nitrogen, 



51 



XII. — Cumberland Company's Superphosphate, Portland, Me. 



(Collected of Messrs. Arras & Co., Greenfield, Mass.) 



35 



