234 



BOAKD OF AGRICULTUEE. 



16.8 pounds of nitroojen (in organic matter), 

 21.2 ijounds of nitrogen (in ammonia salts), 



$3 86 

 5 51 



$20 41 

 H. J. Baker and Bros. AA Ammoniated Bone Superphosphate. 

 (Collected of Fuller and Newton, Springfield, Mass.) 



Guaranteed composition : soluble and reverted phosphoric 

 acid (available), 10 to 12 per cent. ; potassium oxide, 2 to 

 3 per cent. ; ammonia, 3 to 4 per cent, (equivalent to nitro- 

 gen, 2.5 to 3.3 per cent.). 



Per cent. 



Valuation per two thousand pounds ; — 



172.6 pounds of soluble phosphoric acid, 

 5.4 pounds of reverted phosphoric acid, 

 15.8 pounds of insoluble i^hosphoric acid, 

 47.6 pounds of potassium oxide, 

 13. pounds of nitrogen (in organic matter), 

 44.6 pounds of nitrogen (in ammonia salts), 



Bradley's Sea Fowl. 

 (Collected of Parker and Gannet, Springfield, Mass.) 



$36 98 



Guaranteed composition : soluble and reverted phosphoric 

 acid (available), 8 to 10 per cent. ; insoluble phosphoric 

 acid, 2 to 3 per cent. ; potassium oxide, 2 to 3 per cent. ; 

 ammonia, 3 to 4 per cent, (equivalent to nitrogen, 2.5 to 

 3.3 per cent.). 



Per cent. 

 Moisture at 100° C, . . 12.82 



Total pliosphoric acid. 

 Soluble phosphoric acid, . 

 Reverted phosphoric acid. 

 Insoluble phosphoric acid, 

 Potassium oxide. 

 Nitrogen, .... 



11.24 

 8.44 

 .66 

 2.14 

 2.35 

 3.84 



