204 



BOARD OF AGRICULTURE. 



Chittenden's Fish and Potash. 



(National Fertilizer Co., Bridgeport, Ct.; collected by J. A. Sullivan, Northamp- 

 ton, Mass.) 



Guaranteed composition ; total phosphoric acid, 6 to 8 per 

 cent. ; potassium oxide, 4 to 6 per cent. ; ammonia, 3 to 5 

 per cent, (equivalent to nitrogen, 2.5 to 4 per cent.). 



Per cent. 

 Moisture at 100 C, 10.60 



Total phosphoric acid, 

 Soluble phosphoric acid, . 

 Reverted phosphoric acid. 

 Insoluble phosphoric of acid, 

 Potassium oxide. 

 Nitrogen, .... 

 Insoluble matter. 



Valuation per two thousand pounds : 



6. pounds of soluble phosphoric acid, . 

 49. pounds of reverted phosphoi'ic acid, 

 65.4 pounds of insoluble phosphoric acid, 

 86.8 pounds of potassium oxide, 

 55.2 pounds of nitrogen, .... 



6.04 

 .32 

 2.45 

 3.27 

 4.34 

 2.76 

 .65 



$0 70 

 3 92 

 3 92 

 3 69 



12 70 



$24 93 

 Fish and Potash. 



(Quinnipiac Fertilizer Co., New London, Ct.; collected of Wm. H. Earle, Wor- 

 cester, Mass.) 



Guaranteed composition : total phosphoric acid, 5 to 7 per 

 cent. ; soluble and reverted phosphoric acid (available), 3 to 

 5 per cent. ; potassium oxide, 3 to 5 per cent. ; nitrogen, 

 3.25 to 4.25 per cent. 



Per cent. 



Moisture at 100° C. 24.08 



Total phosphoric acid, 5.93 



Soluble phosphoric acid, . .93 



Reverted phosphoric acid, 1.95 



Insoluble phosphoric acid, 3.05 



Potassium oxide, 3.91 



Nitrogen, 4 27 



Valuation per two thousand pounds : — 



18.6 pounds of soluble j)hosphoric acid, . 

 39. pounds of reverted phosphoric acid, 

 61. pounds of insoluble phosphoric acid, 

 78.2 pounds of potassium oxide, 

 85.4 pounds of nitrogen, .... 



$31 79 



