Long-term storage methods for potatoes at home include soaking them in salt, packaging them in black plastic bags, and putting them in apples. Taking apples as an example, the specific steps are: 1. First, you can put the potatoes in a box or a fresh-keeping bag. middle. 2. Then add a few apples, because the ethylene released by apples can prevent potatoes from sprouting. 3. Just store the potatoes in a suitable place.