The ash was used mainly to produce potash for fertilizer and alkali for industrial use. As other potash production technologies became more economical, the value of wood ash as a raw material dropped.

Did you know that using wood ash as a fruit tree fertilizer is a practice that gardeners have been doing for many years? This ...

Wood ash from untreated wood is a great fertilizer. It's high in potash and trace elements like zinc and magnesium, which are ...