538 



BOARD OF AGRICULTURE. 



Lister's Celebrated Ground Bone. 

 (Collected of W. P. Wilson, New Bedford, Mass.) 



Guaranteed composition: Total phosphoric acid, 11 to. 13 

 per cent. ; ammonia, 3 to 3.1 per cent, (equivalent to nitro- 

 gen, 2.5 per cent.). 



Per cent. 



Moisture at 100° C, 11.04 



Total phosphoric acid, 12.06 



Soluble phosphoric acid, 

 Reverted phosphoric acid. 

 Insoluble phosphoric acid, 

 Nitrogen, 

 Insoluble matter, . 



Valuation per two thousand pounds : — 



2.4 pounds of soluble phosphoric acid, 

 86.0 pounds of reverted i^hosphoric acid, . 

 172.8 pounds of insoluble phosphoric acid, . 

 61.0 pounds of nitrogen, .... 



$24 43 



Church's Menhaden Fish and Potash, D. 

 (Collected of S. S. Paine & Bros., New Bedford, Mass.) 



Guaranteed composition : Total phosphoric acid, 6 to 7 

 per cent. ; potassium oxide, 3 to 4 per cent, (equivalent to 

 potassium sulphate, 6 to 7 per cent.) ; nitrogen, 4 to 5 per 

 cent, (equivalent to ammonia, 5 to 6 per cent.). 



Moisture at 100° C, 

 Total phosphoric acid, , 

 Soluble i^hosphoric acid, 

 Reveited phosphoric acid, 

 Insoluble iihosphoi'ic acid. 

 Potassium oxide, . 

 Nitrogen, 

 Insoluble matter, . 



Valuation per two thousand pounds : — 



33.8 pounds of soluble phosphoric acid, 

 62.4 jjounds of reverted phosphoric acid, 

 19.8 pounds of insoluble phosphoric acid, 

 65.6 pounds of potassium oxide, . 

 85.6 pounds of nitrog^i, 



Per cent. 



26.25 

 5.80 

 1.69 

 3.12 

 .99 

 3.28 

 4.28 

 1.62 



$2 70 



4 68 



69 



8 61 



14 98 



$26 56 



