AMMONIATED SUPERPHOSPHATES AND COMPLETE 

 MANURES. (59—70). 



50. Sparrow's Bone and Potash Phosphate, of Judson &, Sparrow. 

 Collected of Everett &, Gleason, Boston, Mass. By State 

 Inspector. 



Guaranteed composition ; soluble phosphoric acid 9 to 11 

 per cent. ; potassium oxide 4 to 5 per cent. ; ammonia 3 to 

 4 per cent, (equivalent to nitrogen 2.5 to 3.3 per cent.). 



60. Mitchell's Standard Phosphate. Collected of J. & J. A. Rice, 



Worcester, Mass., by State Inspector. 



Guaranteed composition ; total phosphoric acid 1 2.42 per 

 cent. ; soluble phosphoric acid 9.85 per cent. ; insoluble 

 phosphoric acid 2.57 per cent.; potassium oxide 2. IG per 

 cent. ; nitrogen 2.64 per cent. 



61, Standard Superphosphate, of Standard Fertilizer Co., Bos- 



ton, Mass. Collected of Wm. FI. Earle, Worcester, Mass., 

 by State Inspector. 



Guaranteed composition; total phosphoric acid 13 to 15 

 per cent. ; soluble and reverted phosi)horic acid (available) 

 9 to 13 per cent. ; insoluble phosphoric acid 2 to 4 percent. ; 

 potassium oxide 2 to 4 per cent. ; magnesium oxide 1.5 to 

 2 per cent. ; ammonia 2 to 4 per cent, (equivalent to nitro- 

 gen 1.6 to 3.3 per cent. .,'h 



62. Bay State Ammoniated Bone Superphosphate. Collected of 

 J. S. Clark & Son, Worcester, Mass., by State Inspector. 



