Root crops from Scandinavia (6)
I believe the answer is:
swedes
'from scandinavia' is the definition.
I can't judge whether this definition defines the answer.
'root crops' is the wordplay.
'root' becomes 'swede' (I've seen this before).
'crops' becomes 's' (I am not sure about this - if you are sure you should believe this answer much more).
'swede'+'s'='SWEDES'
Can you help me to learn more?
(Other definitions for swedes that I've seen before include "Turnips from Scandinavia?" , "Europeans and turnips" , "Turnips for Scandinavians" , "Root vegetables" .)