Sorry, that’s not a helpful answer.
There must be some physical process involved to move soil minerals through the exterior cells of the roots.
And, once in the roots, if the mineral is not soluble, how does it circulate through plant, and deliver its vital nutrients to the cells that need them?
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You live in an artificial world.
Soils contain thousands of organisms that transport nutrients. Also acidic soils promote reactions that make otherwise unavailble minerals available.
Its a busy environment down there.