PREPARATIONS OF FISH. 



317 



Fish Fertilizers. 



I. 



Dry Ground Fish. 



(Prepared by L. Cornell's hot-air drying-machine.) 



Moisture at 100° C. 

 Organic and volatile matter 

 Ash constituents 

 Phosphoric acid 

 Nitrogen . . . 



Sand, &c. 



Per cent. 



8.60 

 82.35 

 17.63 



7.61 



8.71 



1.02 



Valuation per ton of two thousand pounds : — 



152.2 pounds of phosphoric acid .... 

 174.2 pounds of nitrogen 



n. 



$9 13 

 34 84 



$43 97 



Dry Ground Fish. 



(Messrs. Bradley & Co., Boston, Mass.; collected of H. L. Phelps, North- 

 ampton, Mass.) 



Per cent. 



23.20 



80.63 



19.37 



7.92 



7.41 



Sand, &c. ... 82 



Moisture at 100° C. 

 Organic and volatile matter 

 Ash constituents 

 Phosphoric acid 

 Nitrogen 



Valuation per ton of two thousand pounds : — 



158.4 pounds of phosphoric acid 

 148.2 pounds of nitrogen 



$9 51 

 29 64 



$39 15 



