128 



Experiment Station Beport. 



Muriate of Potash, 



[I. Sent on by M. W. Jefts, for Ashby Farmers' Club, Ashby, Mass.] 



[II. Collected of Boston Fertilizer Co., by C. P. Preston, Danvers, Mass.] 



[III. Collected of Bowker Fertilizer Co., at Amkerst, Mass.] 



This form of potash compouDds has proved to be one of 

 the most reliable potash resources for field and garden. 



Kainite. 



[Collected of D. A. Horton, Northampton, Mass.] 



Moisture at 100° C, 2.15 



Calcium oxide, " .82 



Magnesium oxide, 11.30 



Potassium oxide, 16.48 



Sulphuric acid, 21.91 



Valuation per 2,000 lbs., $14 08 



This is a fair sample of its kind. Potash, in form of 

 kainite, has been applied with much success for forage 

 crops. It deserves a careful trial upon pastures and mead- 

 ows, in connection with bone fertilizers. 



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

 discourse of the various kinds of salt used for agricultural 

 purposes, etc., may be found in the a,nnual report of the Mas- 

 sachusetts State Board of Agriculture for 1869, page 18. 



