Saving fruits and veg has been around for a long time. Here's a low-tech technique that has existed for ages. https://archive.org/details/rootcellaringsim0000bu

Saving fruits and veg has been around for a long time. Here's a low-tech technique that has existed for ages. https://archive.org/details/rootcellaringsim0000bube https://archive.org/details/rootcellaringsim0000bube