Not really a Gulag camp: just like working on a farm anywhere in the world.
I would find it awful.
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In real life Germany has partially lifted --- under order --- the present border-crossing ban for key workers. The Asparagus is saved !
Some half-witted bint of a government minister proposed that office and factory workers etc. laid off because of the virus should pick the crops while idle.
To which the obvious reply would be "Why don't you do it ?"
Exercise Kadoc won't get any warmer because he in the middle of the Snow.
Moving your body produces heat as you use energy. You will get warmer even if it's cold, especially if you're wearing something that can trap the heat.