COMMERCIAL FERTILIZERS. 



533 



Valuation per two thousand pounds : ■ 



137.2 pounds of soluble phosphoric acid, 

 36.0 pounds of reverted phosphoric acid, 

 45.4 pounds of insoluble phosphoric acid, 

 66.2 pounds of potassium oxide, . 

 62.4 pounds of nitrogen, 



$10 98 

 2 63 



1 36 



2 81 

 9 17 



$26 95 



Adams & Thomas' New England Lawn Dressing. 

 (Collected of C. W. Shaw, Springfield, Mass.) 



No guaranty obtained. 



rer cent. 



Moisture at 100° C, 9.20 



Total phosphoric acid, 9.99 



Soluble phosphoric acid, .40 



Reverted phosphoric acid, . . . *. . . 4.36 



Insoluble phosphoric acid, 5.24 



Potassium oxide, 6.92 



Nitrogen, 2.44 



Insoluble matter, 2.13 



Valuation per two thousand pounds : — 



8.0 pounds of soluble phosphoric acid, 

 87.0 pounds of reverted phosi^horic acid, 

 104.8 poimds of insoluble phosphoric acid, 

 138.4 pounds of potassium oxide, . 

 48.8 pounds of nitrogen. 



fO 64 

 6 53 

 3 14 

 5 88 

 8 54 



$24 73 



Great Eastern General Fertilizer. 



(Manufactured by Great Eastern Fertilizer Company, New York ; collected of F. 

 W. Bechtel, Glendale, Mass.) 



Guaranteed composition : Soluble phosphoric acid, 6 to 8 

 per cent. ; reverted phosphoric acid, 2 to 4 per cent. ; in- 

 soluble phosphoric acid, 1 to 3 per cent. ; potassium oxide, 

 2 to 4 per cent. ; ammonia, 2.5 to 3.5 per cent, (equivalent 

 to nitrogen, 2 to 2.9 per cent.). 



Per cent. 



Moisture at 100° C, ...*... . 12.77 



Total phosphoric acid, 10.39 



Soluble phosphoric acid, 5.70 



Reverted phosphoric acid, 2.43 



