350 



BOARD OF AGRICULTURE. 



Jefferd's Animal Fertilizer, with Potash. 



(Collected of Earle & Pcckham, Worcester, Mass.) 



Guaranteed composition: Total phosphoric acid, 14 to 15^ 



per cent.) ; potassium oxide, 3| to 4 per cent. ; anmionia, 



5 to 5| per cent, (equivalent to nitrogen, 4.1 to 4.5 per 



cent. ) . 



Moisture at 100= C, 

 Total phosphoric acid, . 

 Soluble phosphoric acid, 

 Reveited phosphoric acid. 

 Insoluble phosphoric acid. 

 Potassium oxide, . 

 Nitrogen, 

 Insoluble matter, . 



Valuation per two thousand pounds : — 



26 pounds of soluble phosphoric acid, 

 104.4 pounds of revei'ted phosphoric acid, 

 210 6 pounds of insoluble phosphoric acid, 



96.4 pounds of potassium oxide, . 



85.6 pounds of nitrogen, 



Per cent. 



9.58 



15.46 



.13 



5 22 



10.53 



4.82 



4.28 



.56 



$0 21 



7 83 



8 42 

 4 10 



14 55 



11 



BowJcer's Fish and Potash. 

 (Collected of Earle & Peckham, Worcester, Mass.) 



Guaranteed composition : Total phosphoric acid, 8 to 10 

 per cent. ; potassium oxide, 4 to 6 per cent. ; nitrogen, 2 to 

 3 per cent, (equivalent to ammonia, 3 to 4 per cent.). 



$30 19 



