COMMERCIAL FERTILIZERS. 



213 



Bradley'' s Complete Manure, Potato and Boots. 

 (Collected of Breck and Son, Boston, Mass.) 



Guaranteed composition : soluble phosphoric acid, 8 to 10 

 per cent. ; potassium oxide, 4.5 to 5.5 per cent. ; ammonia, 



4 to 5 per cent, (equivalent to nitrogen, 3.3 to 4.1 percent.). 



Moisture at 100° C, . 

 Total phosphoric acid, 

 Soluble phosphoric acid, . 

 Reverted phosphoric acid, 

 Insoluble phosphoric acid. 

 Potassium oxide. 

 Nitrogen, . . . 

 Insoluble matter, 



Valuation per two thousand pounds : — 



96. pounds of soluble phosphoric acid, . 

 63.8 pounds of i-everted phosphoric acid, 

 M. pounds of insoluble phosphoric acid, 

 89.6 pounds of potassium oxide, 

 75.6 pounds of nitrogen, .... 



$41 90 

 Bradley''s Complete Manure, Corn and Grain. 

 (Collected of Breck and Son, Boston, Mass.) 



Guaranteed composition : soluble phosphoric acid, 6 to 8 

 per cent. ; potassium oxide, 4 to 5 per cent ; ammonia, 4 to 



5 per cent, (equivalent to nitrogen, 3.3 to 4.1 per cent.). 



Moisture at 100° C, . 

 Total phosphoi'ic acid, 

 Soluble phosphoric acid, . 

 Reverted phosphoric acid, 

 Insoluble phosphoric acid. 

 Potassium oxide. 

 Nitrogen, .... 

 Insoluble matter. 



Per cent. 

 8.60 

 10.65 

 6.37 

 .88 

 3.40 

 645 

 451 

 4.51 



Valuation per two thousand pounds : — 



127.4 pounds of soluble phosphoric acid, 

 17.6 pounds of reverted phosphoric acid, 

 68. pounds of insoluble phosphoric acid, 



129. pounds of potassium oxide, . 

 90.2 pounds of nitrogen. 



$45 73 



