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I feel this topic is incomplete without considering preservation and storage strategies.

Absolutely.

For example, grains are so fundamental to human survival in large part due to the fact that it can be stored over multiple years/seasons. Try doing that with potatoes.

Folks in the Andes have been freeze-drying potatoes (Chuño) for many centuries and claim it has a very long shelf-life.

https://perudelicias.com/chuno-freeze-dried-potatoes/

Never tried it myself.

A root cellar though can keep potatoes through the off-season. Not multi-year disruption resistant but probably practical if your climate allows it. Also can be done space efficiently with a stacking planter.

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