What type of resource is potash?

Potash is a potassium-rich mineral primarily used as a fertilizer in agriculture to promote plant growth and improve crop yields. It is typically derived from the evaporation of seawater or mined from underground deposits. Potash is essential for various physiological processes in plants, including photosynthesis and water regulation. The term "potash" can also refer to potassium compounds used in various industrial applications.