Digging over soil
I know this is a stupid question, but I'm going to ask it anyway.
Whenever you watch Gardener's World, or similar and they talk about digging over the soil, adding compost etc. they always seem to do it with an empty bed where they've taken all the plants out and are ready to replant the whole thing from scratch
But, I won't be removing my old plants as I'm trying to establish the plants so is it just a case of digging around as best you can without causing damage to any roots? If so, what about bulbs that are in there? I can't remember where they all are.