540 BOAED OF AGEICULTUEE. 



Valuation per two thousand pounds : — 



] 68.6 pounds of soluble phosphoric acid, 

 55.4 pounds of reverted i^hosphoric acid, 

 11.6 pounds of insoluble phosphoric acid, 

 36.6 pounds of potassiuni oxide, . 

 54.4 pounds of nitrogen, 



$13 49 



4 16 



35 



1 56 



9 52 



$29 08 



Alle7i Fertilizer. 



(American Manufacturing Company, Boston, Mass.; collected of Parker & Wood, 



Boston, Mass.) 



Guaranteed composition : Total phosphoric acid, 6 to 10 

 per cent. ; soluble phosphoric acid, 4 to 6 per cent. ; re- 

 verted phosphoric acid, 1 to 2 per cent. ; insoluble phos- 

 phoric acid, 1 to 2 per cent. ; potassium oxide, 4 to 6 per 

 cent. ; ammonia, 2.25 to 3 per cent, (equivalent to nitro- 

 gen, 1.85 to 2.5 per cent.). 



Per cent. 



22.89 



8.73 



5.11 



2.08 



1.54 



5.07 



2.34 



4.53 



Moisture at 100° C, 

 Total phosphoric acid, . 

 Soluble phosphoric acid, 

 E.evei'ted phosphoric acid, 

 Insoluble phosphoric acid, 

 Potassium oxide, . 

 Nitrogen, 

 Insoluble matter, . 



Valuation per two thousand pounds : — 



102.2 pounds of soluble phosphoric acid, 

 41.6 pounds of reverted phosphoric acid, 

 30.8 pounds of insoluble phosphoric acid, 



101.4 pounds of potassium oxide, . 

 47.8 pounds of nitrogen, 



?8 18 



3 12 

 92 



4 81 

 8 37 



?24 90 



Baker's A. A. Ammoniated Bone Superphosphate. 

 (Collected of TV. V. "Wilson, New Bedford, Mass.) 



Guaranteed composition : Available phosphoric acid, 10 

 to 12 per cent. ; potassium oxide, 2 to 3 per cent. ; am- 

 monia, 3 to 4 per cent, (equivalent to nitrogen, 2.5 to 3.3 

 per cent.). 



