294 



BOARD OF AGRICULTURE. 



15 to 20 per cent, (equal to phosphoric acid, 6.8 to 9.2 per 

 cent. ) . 



Moisture at 100° C, 

 Total phosphoric acid, . 

 Soluble phosphoric acid, 

 Reverted phosphoric acid. 

 Insoluble phosphoric acid, 

 Niti'ogen, 

 Insoluble matter, 



Valuation per two thousand pounds : — 



35 6 pounds of reverted phosphoric acid, 

 124.2 pounds of insoluble phosphoric acid, 

 151.4 pounds of nitrogen, 



$39 07 

 Bowker''s Dry Fish. 

 (Collected of C. F. Brown, Northampton, Mass.) 



Guaranteed composition ; Ammonia, 10 to 12 per cent. 

 (equivalent to nitrogen, 8.2 to 9.88 per cent.). 



Moisture at 100° C, 

 Total phosphoric acid, . 

 Reverted phosphoric acid, 

 Insoluble phosphoric acid. 

 Nitrogen, 

 Insoluble matter, 



Valuation per two thousand pounds : — 



42.8 pounds of reverted phosphoric acid, 

 99.8 pounds of insoluble phosphoric acid, 

 160.6 pounds of nitrogen, .... 



Per cent. 



10.35 

 7.13 

 2.14 

 4.99 

 8.03 

 4.99 



$3 85 



4 49 



32 12 



$40 46 

 Chittenden's Dry Fish. 



(National Fertilizer Co., Bridgeport, Conn.; collected of J. A. Sullivan, North- 



ampton, Mass.) 



Guaranteed composition : Total phosphoric acid? 6 to 8 

 per cent. ; ammonia, 8 to 10 per cent, (equivalent to nitro- 

 gen, Q>.Q to 8.2 per cent.). 



^ ^ Percent. 



Moisture at 100° C, 12.70 



Total phosphoric acid, 8.43 



Soluble phosphoric acid, ? _ 2.63 

 Reverted phosphoric acid, ) 



Insoluble phosphoric acid, 5.80 



Nitrogen, 7.63 



Insoluble matter, 4.40 



