1890.] 



PUBLIC DOCUMENT — No. 33. 



275 



Analyses, etc. — Continued. 



Feme oxide, 



Sodium oxide, ..... 

 Potassium oxide (4^ cents per pound), 

 Pliosphoric acid (G cents jjer j^ound) , . 

 Nitrogen (17 cents per jDound), . 



Insoluble matter, 



Valuation per ton, .... 



Per Cent. 



.087 

 .080 

 .329 

 .268 

 .770 

 .834 

 13 22 



Salt Hay. 

 [Sent on by L. B. Smith, Eastham, Mass.] 



IMoisture at 100° C, . 

 Calcium oxide, .... 

 Magnesium oxide, ... 

 Ferric oxide, .... 



Sodium oxide, .... 

 Potassium oxide {\\ cents per i^ound) 

 Phosphoric acid (G cents per pound), 

 Nitrogen (17 cents per pound), . 

 Valuation per ton, 



Per Cent. 



5.360 

 .371 

 .335 



.028 

 .017 

 .718 

 .248 

 1.180 

 $4 92 



Compound Fertilizers. 



[I. sent on by H. D. Graves, Sunderland, Mass.; II. sent on l)_v S. G. Hubl)ard, 



Whately, Mass.] 



