264 AGRICULTURAL EXPERIMENT STATION. [Jan. 



, 5. Analyses, etc. — Continued. 



Cotton-seed Hull Ashes. 

 [I. and II. sent on by S. G. Hubbard, Hatfield, Mass.] 



Per Cent. 



Moisture at 100° C, . . . 

 Calcium oxide, .... 

 Magnesium oxide, .... 



Ferric oxide, 



Potassium oxide (6 cents per pound), 

 Phosijhoric acid (6 cents per pound). 

 Insoluble matter (before calcination), 

 Insoluble matter (after calcination). 

 Valuation per ton, .... 



8.13 

 7.26 

 10.99 

 1.25 

 25.35 

 10.68 

 13.59 

 11.61 

 43 24 



8.13 

 11.34 

 11.58 



1.96 

 22.66 



8.69 

 12.70 



9.73 

 ■f37 62 



Sulphate of Potash. 

 [I. sent on from Amherst, Mass.; II. and III. sent on from Feeding Hills, Mass.] 



