New soil for new plants?

[Annies]

Can i reuse the soil when plants are harvested, like carrots, radishes or cabbage? or do i have to throw it and use new soil for new plants?

[ZandraJoi]

Can i reuse the soil when plants are harvested, like carrots, radishes or cabbage? or do i have to throw it and use new soil for new plants?

I've reused soil if it wasn't contaminated with insects & is still quite healthy. What I've done too is mix in some new soil.

[ramesh]

You need to clean the soil and miz with new soil too because the old soil minerals all were eaten by the past plant. I suggest you to check worms, insects in that soil, if you haave earthworms then use that soil as it really helps in growing.