COMMERCIAL FERTILIZERS. 



379 



Valuation per two thousand pounds : — 



107.4 pounds of soluble phosphofio acid, 

 39.8 pounds of reverted phosphoric acid, 

 43.2 pounds of insoluble phosphoric acid, . 

 73.8 pounds of potassium oxide, . 

 56.6 pounds of nitrogen, .... 



$8 59 

 2 99 

 1 30 

 4 06 

 9 62 



$26 56 



H. J. Baker & Brothers' Complete Potato Manure. 



(Collected of S. N. and T. E. Hall, Pittsfield, Mass.) 



Guaranteed composition : Available phosphoric acid, 5| 



per cent. ; potassium oxide, 10 per cent. ; sodium oxide, 1 



per cent. ; ammonia, 4 per cent, (equivalent to nitrogen, 

 3.3 per cent.). 



Per cent. 



Moisture at 100° C, 10.43 



Total phosphoric acid, . 

 Siluble phosphoric acid. 

 Reverted phosphoric acid, 

 Insoluble phosphoric acid. 

 Potassium oxide, . 

 Niti'ogen, 

 Insoluble matter, . 



Valuation per two thousand pounds 



80. pounds of 



63.2 pounds of 



2.6 povmds of 



152.6 pounds of 



85.2 pounds of 



soluble phosphoric acid, 

 reverted phosphoric acid, 

 insoluble iDhosphoric acid, 

 potassium oxide, . 

 nitrogen. 



$32 19 



Bay State Fertilizer. 



(Clark's Cove Guano Company, New Bedford, Mass. ; collected of Richardson & 

 Flagg, North Adams, Mass.) 



Guaranteed composition: Moisture, 10 to 18 per cent.; 

 total phosphoric acid, 9.5 to 14 per cent. ; soluble phospho- 

 ric acid, 7 to 8.5 per cent. ; reverted phosphoric acid, 1 to 

 2\ per cent. ; insoluble phosphoric acid, 1.5 to 3 per cent. ; 

 potassium oxide, 2 to 3 per cent. ; nitrogen, 2.1 to 2.8 per 

 cent, (equivalent to ammonia, 2.5 to 3.5 per cent.). 



Moisture at 100° C, 

 Total phosphoric acid, . 

 Soluble phosphoric acid. 



17.60 



10.66 



8.95 



