As long as you haven’t seen signs of pests or disease, there’s no reason not to reuse some of your soil. You should be able to sufficiently refresh it by mixing in new soil/compost and fertilizing properly. Read more about preparing soil here: https://www.almanac.com/preparing-soil-planting
As long as you haven’t seen signs of pests or disease, there’s no reason not to reuse some of your soil. You should be able to sufficiently refresh it by mixing in new soil/compost and fertilizing properly. Read more about preparing soil here: https://www.almanac.com/preparing-soil-planting