294 



BOARD OF AGRICULTUBE. 



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. 

 Nitrogen, 

 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, . . . . 



Per cent. 



12.38 

 7.99 



1.78 



, 6.21 



7.67 



1.74 



$3 20 



6 69 



30 28 



$39 07 

 BowTcer'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, 6.6 to 8.2 per cent.). 



Moisture at 100° C, 

 Total phosphoric acid, . 

 Soluble phosphoric acid, 

 Reverted pi;.osphoric acid, 

 Insoluble phosphoric acid. 

 Nitrogen, 

 , Insoluble matter, . 



Per cent. 



12.70 

 8.43 



2.63 



5.80 

 7.63 

 4.40 



