1898.] PUBLIC DOCUMENT — No. 33. 127 



equals 1,012 pounds of carbonate of potash per ton of charred 

 residue practically free from chlorine. 



The scarcity of a good quality of carbonate of potash for 

 manurial purposes in case of tobacco and similar industrial 

 crops ought to encourage attempts to turn the concentrated 

 potash liquor to account. 



The charred mass might serve directly as material for the 

 manufacture of a high-grade potash fertilizer. 



