Stages of ploughing farm plots (9)

I believe the answer is:

platforms

'stages' is the definition.
(I know this)

'ploughing farm plots' is the wordplay.
'ploughing' is an anagram indicator (to plough is to break up or disrupt).
'farm'+'plots'='farmplots'
'farmplots' with letters rearranged gives 'PLATFORMS'.

'of' acts as a link.

(Another definition for platforms that I've seen is " Kind of stages or political policies".)

I've seen this clue in the Sydney Morning Herald.

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