392 



BOARD OF AGRICULTURE. 



sulphate, 4 to 5 per cent. ; aramouia, 2 to 

 (equivalent to nitrogen, 1.7 to 2 per cent.). 



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 : — 



105 6 pounds of soluble jihosphoric acid, 

 39.2 pounds of reverted phosphoric acid, 



106 8 pounds of insoluble phosphoric acid, 

 24 pounds of potassivim oxide, . 



49.8 pounds of nitrogen. 



2^ 



per cent. 



Per cent. 



7.90 

 12.58 

 5.-i8 

 1.96 

 5.34 

 .12 

 2.49 

 4.62 



#8 45 



2 94 



3 20 

 11 



8 47 



$23 17 

 Baugli's Double-Eagle Phosphate. 

 (Baugli & Sons, Philadelphia, Pa. ; collected of J. C. Stanley, Xewburyport, Mass.) 



Guaranteed composition : Available phosphoric acid, 5 to 

 6 per cent. ; bone phosphate, 7 to 8 per cent. ; ammonia, 2 

 to 2^ per cent, (equivalent to nitrogen, 1.7 to 2 per cent.). 



Moisture at 100° C, . 

 Total phosphoric acid, . 

 Soluble phosphoric acid, 

 Reverted phosphoric acid, 

 Insoluble phosphoric acid, 

 Nitrogen, 

 Insoluble matter, . 



Valuation per two thousand pounds : — 



73.6 pounds of soluble jshosphoric acid, 

 62. pounds of revorted phosphoric acid, . 

 72.6 pounds of insoluble i^hosphoric acid, . 

 40.4 pounds of nitrogen, .... 



Per cent. 



1172 

 10.41 

 3.68 

 310 

 3.63 

 2.02 

 4.45 



f5 89 

 4 65 

 2 18 

 6 87 



$19 59 



Baugh's Dissolved Animal Bones. 

 (Baugh & Sons, Philadelphia, Pa.; collected of J. C. Stanley, Newburyport, Mass.) 



Guaranteed composition : Available phosphoric acid, 10 

 to 12 per cent. ; ammonia, 3 to 3^ per cent, (equivalent to 

 nitrogen, 2.5 to 2.9 per cent.). 



