[yetihehe]

Some of those preservation techniques are also considered unhealthy.

[11235813213455]

just a cave is good enough for vegetables, or somewhere ventilated and not under the sun

[ThePowerOfFuet]

Including refrigeration?

[aembleton]

No, refregiration allows you to avoid those 'preservation techniques'

[cinntaile]

Such as?

[yetihehe]

Such as adding saltpeter, lots of sugar or smoking.