COMMERCIAL FERTILIZERS. 



373 



Bowker's Animal Fertilizer. 



Valuation per ton of two thousand pounds : — 



121.6 pounds of soluble phosphoric acid, . 

 36.6 pounds of reverted phosphoric acid, 

 82.2 pounds of insoluble phosphoric acid, 

 69.2 pounds of nitrogen, .... 

 82.0 pounds of potassium oxide. 



Bradley'' s XL. 



(Collected of Messrs. Rice Bros., Worcester, Mass.) 



Moisture, .... 

 Organic and volatile matter. 

 Ash constituents, 

 Total phosphoric acid, 

 Soluble phosphoric acid, . 

 Reverted phosphoric acid. 

 Insoluble lahosphoric acid. 

 Nitrogen, .... 

 Potassium oxide, 

 Insoluble matter, 



$44 13 



Per cerM. 



14.90 



54.60 



45.40 



12.51 



8.06 



2.24 



2.21 



3 00 

 2.67 



4 33 



Valuation per ton of two thousand pounds 



161.2 pounds of soluble phosphoric acid, . 

 44.8 pounds of reverted phosphoric acid, 

 44.2 pounds of insoluble phosphoric acid, 

 60.0 pounds of nitrogen, .... 

 53.4 pounds of potassium oxide. 



$20 15 



4 03 



2 65 



14 40 



2 67 



$13 90 



