The root-soil food web is critical to a healthy soil ecosystem. The trick is to make sure that it is teeming with beneficial bacteria and fungi. Some of them are responsible for breaking down plant and animal wastes, converting them into usable nutrients. Others perform other essential functions. What you do not want to happen is for them to die for one reason or the other. In some cases, you may have to introduce them to your garden. Whatever questions you have, ask away here and learn from other growers and horticultural experts.