Produce whip (4)
I believe the answer is:
crop
I believe this clue is a double definition.
'produce' is the first definition.
(thesaurus)
'whip' is the second definition.
(thesaurus)
(Other definitions for crop that I've seen before include "(Yield from) cultivated plant" , "distress, as it were" , "Line (of mountains)" , "Hairstyle; gullet pouch" , "Yield from cultivation" .)