Curious if anyone has thought of using walnuts as a anti weed control

[disc4tw]

https://drive.google.com/file/d/1MMv5rrUBIxWxqpoSXTNtEzb6ISWWtwJb/view?usp=drivesdk

Here is a copy of a tree guild that includes walnuts, with species minimally (or not) affected by the juglone toxicity.