Maybe Alf's down taking a rest on the farm (6)

I believe the answer is:

fallow

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'the farm' is the definition.
(thesaurus)

'maybe alf's down' is the wordplay.
'maybe' indicates anagramming the letters.
'down' becomes 'low' (associated in meaning).
'alf' anagrammed gives 'fal'.
'fal'+'low'='FALLOW'

'taking a rest on' is the link.
I am not very happy about this link. Some or all of it may belong to another bit of the clue.

Can you help me to learn more?

(Other definitions for fallow that I've seen before include "Left unploughed and unseeded" , "(Of fields) left unsown" , "idle" , "(Of land) left unsown" , "Inactive" .)

I've seen this clue in the Evening Standard.

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