Here is an interesting article on using weed to help your permaculture goals. The weeds not only detect problems, but actually repair that same issue. It is possible to deliberately to planet the right kind of weeds, to improve soil conditions for permacultire food forrests.
I had not even considered this option; but it makes a lot of sense!
https://thegrownetwork.com/weeds-what-they-tell-us-and-why-you-should-care/