FERTILIZER ANALYSES. 



221. REFUSE SALT. 



The article is a fair specimen of its kind. A detailed discourse of 

 the various kinds of salt used for agricultural purposes, etc., maybe 

 found in the annual report of the Mass. State Board of Agriculture 

 for 1869, page 18. 



AMMONIUM SULPHATE. . 



222. Collected of D. A. Horton, Northampton, Mass. Guaran- 



teed 25 per cent, of ammonia. « 



223. Sent on for examination )jy M. W. Jefts, for the Ashly 



Farmer's Club, Ashly, Mass. 



222 223 



Founds per hundred. 



Moisture at 100° C, 1.88 0.42 



Ammonia, 25.07 24.00 



Valuation per 2000 lbs., $90.64 $87.12 



The cost of this article has varied widely at times ; the valuation 

 is based on our annual rate, 22 cts. per pound of nitrogen in am- 

 monia salts. 



