378 



BOARD OF AGRICULTURE. 



The sample which furnished the analysis was excep- 

 tionably Avet, and seems to have suffered from access of 

 water ; the good quality of the same brand in the hands of 

 the same agents in the preceding year supports the explana- 

 tion givxn by the manufacturer. 



Bradley'' s XL. 



(Collected of Wm. H. Earle, Worcester, Mass.) 



Moisture, .... 

 Organic ami volatile matter, 

 Ash constituents, 

 Total phosijhoric acid. 

 Soluble i^hosphoric acid, . 

 Reverted phosphoric acid, 

 Insoluble phosijhoric acid, 

 Nitrogen, .... 

 Potassium oxide. 

 Insoluble mutter. 



Per cent. 



16.70 



48.50 



51.50 



12.17 



9.02 



1.42 



1.73 



2.78 



3.14 



3.50 



Valuation per ton of two thousand pounds 



180.4 pounds of soluble phosphoric acid, 

 28.4 pounds of reverted phosphoric acid, 

 34.6 pounds of insoluble phosphoric acid, 

 55.6 pounds of nitrogen, 

 62.8 pounds of potassium oxide, . 



$22 55 

 2 56 



2 08 

 13 35 



3 14 



$43 68 



IXL Ammoniated Bone Superphosphate. 



