What is potashh?

Answer 1

Any of a variety of potassium salts, including potassium chloride, potassium carbonate, etc, that are mined or made for use as fertiliser. For more information you might wish to view the wikipedia potash article.

Answer 2

Potash is a general term used to describe a group of minerals that contain potassium in water-soluble form. It is commonly used in agriculture as a fertilizer to enhance crop growth and increase yields. Potash can come from natural sources such as mined deposits or be produced synthetically through chemical processes.