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[cameron]

Whenever there is a fire or a magma flood over grassland it leaves lots of ash on the ground,


I think it would be neat if you could have people collect it afterwards, perhaps like how plant gathering works now.

The main issue i can think of is that the ash may contain more impurities then ash especially prepared in a furnace.

[G-Flex]

Bear in mind that "ash" in DF refers specifically to the kind of wood ash you'd use for extracting potash. If anything, the game is a little lax as-is because it lets you use any wood, whereas I'm not sure that's realistic. It's hard to say, really, but I don't think I'd agree with allowing the player to use "ashes" from any old burnt material.

[cameron]

Isn't potassium in the ash the only thing needed for potash production?

I would think most plants fine for making potash though presumably much more ash should be consumed per unit of potash.

[G-Flex]

Isn't potassium in the ash the only thing needed for potash production?

Certain compounds of potassium. I'm not sure why hardwoods are better than most other plants, but apparently they are.

[thatkid]

Wait

So does this mean that bananas are a very good resource for potash production? They do have a lot of potassium in them, iirc

[G-Flex]

Wait

So does this mean that bananas are a very good resource for potash production? They do have a lot of potassium in them, iirc

I said "certain compounds of potassium" for a reason. Just because something has a certain chemical element in it doesn't mean that it has the compounds that you're looking for. You're looking to leach potash and/or lye (I'm still unclear of the details), not just anything with potassium in it.

I have absolutely no idea what form the potassium in potassium-rich vegetable matter is (bananas, some other fruits, spinach, potatoes, etc.), so it may or may not apply.

For what it's worth, I know that there are other plants aside from hardwood trees that can be used to produce lye/potash, but I'm not sure which.