Are logs bad for raised beds? Recently there’s been talk of how this popular method for filling tall raised beds might not be all it’s cracked up to be. But why? Well, there is a phenomenon called nitrogen immobilization. The simple explanation of why this happens is because adding a ton of wood or wood chips into a soil mixture will result in a fungally dominant soil food web, which will pull nitrogen from the soil immediately surrounding the wood to help break the wood down, thus robbing it fr