Just curious...I use mycorrhizae fungi and re-use the 'middle' layer of flowered plants. Sometimes I harvest plants that finish early, so don't need to water that pot any more.
In not watering the soil, how long will the fungi survive?
If soil is dry, then re-used (and watered) do the fungi start growing again?
Guess what I'm getting at is do I have to add the fungi every time I transplant to my flowering pots which contain about 50% used, flushed soil?