This kind of thing often has issues with the emissions associated with mining the rock, crushing it, and transporting it to fields ends up emitting more than gets removed from the atmosphere. They talk about measuring rock behavior in fields...but not doing a full accounting of what was involved in getting it there.
this post was submitted on 25 Oct 2023
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They don't mention anything besides this effect. I was sorta hoping it would help with erosion and water retention of the soil to.
This has to have other effects.
How available is that carbon to microbes, are they missing out on their own source of carbon?
What other minerals are in the volcanic ash that will potentially mess with the complex balance of minerals in the soil.
How much green house gas is made in the mining and proccessing of this volcanic ash.
Sounds to me like some ones land near a volcano got errupted on and they are trying to find a way to make money from it.
ashy souls are great 😃👍 for fertility.
Edit: Ash at some point falls pretty much everywhere. Microbe and the like are fine with it.
That is why farms setup around volcanoes. If it was worth it to mine the ash wouldn't it have been done well before?
Maybe I am too pessamistic about new miricale cues
I mean good luck scaling up crushing and moving rock around. The fuels alone make it a non starter.