504 



BOARD OF AGRICULTURE. 



Soluble Pacific Quano. 

 (Glidden & Curtis, Boston ; collected of Peckham & Ross, Worcester, Mass.) 



Guaranteed composition : Soluble phosphoric acid, 6^ to 

 8 per cent. ; reverted phosphoric acid, 1| to 3 per cent. ; 

 insoluble phosphoric acid, 2 to 4 per cent. ; potassium oxide, 

 2 to 3| per cent. ; nitrogen, 2 to 3 per cent, (equivalent to 

 ammonia, 2| to 3^ percent.). 



Per cent. 



Moisture at 100° C, 15.14 



Total phosphoric acid, 11.93 



Soluble phosphoric acid, 6.30 



Reverted phosphoric acid, 1.79 



Insoluble i^hosiihoric acid, 3.84: 



Potassium oxide, 2.76 



Nitrogen, 2.69 



Insoluble matter, 6.54 



Valuation per two thousand pounds : 



126. pounds of soluble phosphoric acid, 

 35.8 pounds of reverted phosi^horic acid, 

 76.8 pounds of insoluble phosphoric acid, 

 65.2 pounds of potassium oxide, . 

 53.8 pounds of nitrogen. 



$10 08 

 2 69 

 2 30 

 2 35 

 9 42 



$26 84 



Bowker^s Lawn Dressing. 

 (Collected of Peckham & Ross, "Worcester, Mass.) 



Guaranteed composition : Soluble and reverted phosphoric 

 acid, 5 to 6 per cent. ; potassium sulphate, 5 to 6 per cent. ; 

 ammonia, 5 to 6 per cent, (equivalent to nitrogen, 4.1 to 5 

 per cent.). 



Per cent. 



9.06 

 8.34 

 5.60 

 1.64 

 1.10 

 2.59 

 6.18 

 3.01 



Moisture at 100° C, 

 Total phosphoric acid, . 

 Soluble phosphoric acid. 

 Reverted phosphoric acid. 

 Insoluble phosphoric acid, 

 Potassium oxide, . 

 Nitrogen, 

 Insoluble matter, . 



