How to kill tree roots with salt

Question

Trying to get rid of unwanted plum tree roots.

Answer 1

Here are some links to help you.

https://www.gardeningknowhow.com/special/organic/using-salt-to-kill-weeds.htm
https://www.gardeningknowhow.com/ornamental/trees/tgen/how-to-kill-a-tree-killing-trees-in-your-garden.htm
https://www.gardeningknowhow.com/ornamental/trees/tgen/weed-trees.htm
https://www.gardeningknowhow.com/ornamental/trees/tgen/kill-zombie-tree-stump.htm