Today, potash comes from either underground or solution mining. Underground potash deposits come from evaporated sea beds. Boring machines dig out the ore, which is transported to the surface to the processing mill, where the raw ore is crushed and refined to extract the potassium salts.

What is potash and how is it made?

Potash Is Made of Potassium Rock deposits bearing potash resulted when ancient inland seas evaporated millions of years ago. The term potash has been commonly used to describe the fertilizer forms of potassium derived from these rocks by separating the salt and other minerals.

What is a good source of potash?

Ground dolomite limestone is a good source of potash. Commercially available forms of fertilizer include organic fertilizers, compost and manure. Naturally available sources include compost, manure and wood ash. Exact quantifies of potash will vary in natural sources.