The bark from softwood logs which is rich in tannin and responsible for suppressing the growth of trees and vegetables? What is you take on this matter ?
https://www.youtube.com/watch?v=jOIUlHGPuRU&list=PLCeA6DzL9P4vctpq5YaqCDlwi15BBMJ1d&index=9
https://www.youtube.com/watch?v=6QRCFEbM79Q&t=5s
Read it in “holistic orchard “