1890.] 



PUBLIC DOCUMENT — No. 33. 



27.5 



5, Analyses, etc. — Continued. 



Ferric oxide, . . . . . 



Sodium oxide, 



Potassium oxide (4 J cents per pound) , 

 Phosphoric acid (6 cents per pound), . 

 Nitrogen (17 cents jier pound), . 

 Insoluble matter, . . . . . 

 Valuation per ton, . . . . 



Pec Cent. 



.087 

 .080 

 .329 

 .268 

 .770 

 .834 

 13 22 



Salt Hay. 



Compound Fertilizers. 



[I. sent on by H. D. Graves, Sunderland, Mass. ; II. sent on by S. G. Hubbard, 



Whately, Mass.] 



