356 



BOAKD OF AGRICULTURE. 



Circular No. 2. — Of Stassfurt Dealers. 



Name and Quality or German (ok Stassfubt) 

 Fertilizers. 



S o 



be 

 o 



a o 





I. Ground potash fertilizer, containing^ 

 10 to 22 per cent, of potassium sul- ! 

 phate, with more or less common f 

 salt, to suit customers, . . .J 



II. (a) Concentrated potash fertilizers, . 



II. (b) Three times concentrated potash ^ 

 fertilizer, containing 55 to 59 per > 

 cent, of potassium sulphate, . . J 



III. Sidphate of potassium and magnesia, 

 containing 28 to 33 per cent, potas- 

 sium sulphate, 



III. (a) Artificial kainit, containing (ap- 



proximately) from 20 to 27 per cent. 

 of potassium sulphate, 



IV. Refined sulphate of potassa, contain- 



ing from 78 to 80 per cent., 



V. Five-times concentrated potash-salt,^ 

 containing from 80 to 85 per cent, of ! 

 potassium chloride, commonly called [ 

 muriate of potash, . . . .J 



VI. Refined sulphate of potassa and mag-^ 

 nesia, containing 52 to 56 per cent, j 

 of potassa sulphate and 30 to 38 per ! 

 cent, of magnesia sulphate, which j 

 equals from 10 to 12 per cent, of 

 magnesium oxide,* . . . .J 



VII. Sulphate of magnesia, containing 60 

 per cent., which is equal to 20 per 

 cent, of magnesium oxide, 



} 



9.10 



25.0 



30.32 



15.18 



13.0 



43.44 



50.53 



28.30 



$0 36 



1 00 



1 32 



60 



48 



3 08 



2 16 



2 70 



36 



04. 



04.4 

 05.3 



04. 



03.7 

 07.2 



04.3 

 09.5 



* The valuation in this case includes that of both potassa and magnesia. 



The following figures refer to their wholesale prices at 

 Hamburg, including bags : — 



No. I. Ton, = 2,240 lbs., 



II. o) " 



11.(6) " 



£1 155. 



4 15 



5 10 



