More info and pictures: https://aus.social/@treevan/110293053188000541
One recipe:
Articles:
https://www.biochar-journal.org/en/ct/77-Planting-Urban-Trees-with-Biochar
https://stockholmtreepits.co.uk/ - https://www.researchgate.net/publication/341343983_Tree_Pits_with_Structural_Soils_-_Practice_Note_Version_12
Wait, Asbestos is now hip again?
Had to go digging to find what OP was talking about
https://www.theguardian.com/australia-news/2024/jan/29/asbestos-nsw-findings-watchdog-epa-contaminated-soil-childcare-centres-schools-parks
It’s not gardening soil, it’s “clean” fill for big landscaping projects, you wouldn’t replace it with rocks + biochar…
https://lemm.ee/post/33335568
Asbestos now found in sold soil. Whoops.
It’s the same type of soil I was talking about, not gardening soil…
And holy crap, you really don’t let go, do you?
Yes mate, we always get our clean fill from “garden stores”.
In Australia it is. Our kids love playing in it.
I eat a bowl of it for breakfast everyday.
I’m a competitive shoveller.
Holy shit.