Common Name- Potash
3) was by collecting or producing wood ash (an occupation carried out by ash burners), leaching the ashes and then evaporating the resulting solution in large iron pots, leaving a white residue called "pot ash". Approximately 10% by weight of common wood ash can be recovered as pot ash. Later, "potash" became the term widely applied to naturally occurring potassium salts and the commercial product derived from them.
Uses of Potash
It's only produced in 12 countries mostly in foreign such as Russia, Belarus and Germany
Potash pricing has been extremely volatile for years. The price of the nutrient began the last decade below $150 a tonne and soared above $1,000 a tonne during the commodity boom in 2007-08.
After 1931 a number of mines there supplied about 90 percent of the domestic requirement of potash. Some 95 percent of this production became fertilizer.