I think that's seed potato production, where the consistency and lack of pathogens justifies the extra cost. Here's a manual: https://cipotato.org/wp-content/u

I think that's seed potato production, where the consistency and lack of pathogens justifies the extra cost. Here's a manual: https://cipotato.org/wp-content/uploads/2014/08/005447.pdf https://cipotato.org/wp-content/uploads/2014/08/005447.pdf It would be possible to grow potatoes for human consumption with a similar system, but I don't think it's currently economic.