Potash

The term potash ( ) includes mined and manufactured salts that contain potassium in water-soluble form. The term ''potash'' derives from ''pot ash'', either plant ashes or wood ashes that were soaked in water in a pot, which was the primary means of manufacturing potash before the Industrial Era; the word ''potassium'' derives from the term ''potash''.

In 2021, the worldwide production of potash exceeded 71.9 million tonnes (~45.4 million tonnes K₂O equivalent) contains 63.17% K₂O equivalent)}}, and Canada is the greatest producer of potash as fertilizer. Potassium was first derived in 1807 by electrolysis of caustic potash (potassium hydroxide). Provided by Wikipedia