318 



BOARD OF AGRICULTURE. 



Valuation per ton of two thousand pounds : — 



86.6 pounds of phosphoric acid .... 

 204.8 pounds of nitrogen 



$5 20 

 40 96 



$46 16 



IV. 



Blackfish and Whale Fish Guano. 



(Jonathan Cook, Cape-Cod Guano-Works, Provincetown, Mass.) 



Per cent. 



Moisture at 100° C. . 9.37 



Organic and volatile matter 



Ash constituents 



Phosphoric acid 



Nitrogen 



Sand, &c. 



Valuation per ton of two thousand pounds : — 



332.8 pounds of phosphoric acid .... 

 94.8 pounds of nitrogen 



$38 93 



'Half-dry Fish. 

 (H. L. Phelps, Northampton, Mass.) 



Moisture at 100° C. 

 Organic and volatile matter 

 Ash constituents 

 Phosphoric acid 

 Nitrogen .... 

 Sand, &c. 



Per cent. 



50.13 



85.44 



14.56 



5 97 



4.40 



1.67 



Valuation per ton of two thousand pounds : — 



119.4 pounds of phosphoric acid .... 

 88.0 pounds of nitrogen 



VI. 



Fish and Kainit. 



$7 17 

 17 60 



$24 77 



(Quinnipiac Fertilizer Co., New Haven, Conn., D. A. Horton, Agent, 

 Northampton, Mass.) _ 



Moisture at 100° C 28.26 



Organic and volatile matter 

 Ash constituents 

 Phosphoric acid 

 Nitrogen .... 

 Potassium oxide 



68.04 



31.96 



5.22 



3.77 



3.78 



