316 



BOARD OF AGRICULTURE. 



NAME OF MATERIAL. 



Price per ton 



of 

 2,000 pounds, 



in dollars. 



Price per pound 

 in case of from 

 100 to 200 pounds, 



in cents. 



German Potash Salt, containing from 28 to'32 

 per cent of sulphate of potassa, which is 

 equal to from 15 to 17.3 per cent of potas- 

 sium oxide ...... 



Kainit, low firade, containing 22 to 26 per cent 

 of suljihate of potassa, which is equal to 

 from 11.9 to 14 per cent of potassium 

 oxide ........ 



Sulphate of Magnesia (Kieserite), containing 

 55 per cent of that compound . 



Sulphate of Magnesia (Kieserite), containing 

 from 60 to 70 per cent of that compound, 



Fine-ground Gypsum, containing from 95 to 

 98 j)er cent of that compound . 



20-25 



1.25 



Potash-Salts. 



Muriate of Potash. 

 (D. A. Horton, Northampton, Mass.) 



