Then add your soil over these layers. Even just tossing in kitchen waste in the bottom of a tall raised bed, along with lawn ...

This added a layer of complexity and maintenance that I hadn’t anticipated when choosing metal raised beds. Another major drawback of metal raised beds is their susceptibility to rust and corrosion.

Incorporating high-quality compost and well-rotted (aged) manure into your raised beds improves ... for covering one bed 9 feet long and 4 feet wide with a layer of material 3 inches deep: 9 ...