Longman Dictionary of Contemporary English
collective farm
noun
EXAMPLES FROM CORPUS
▪ Below: Before independence, Valeriy Gordienko was a farmer on a local collective farm.
▪ He doesn't mean as drones on some collective farm.
▪ Milda was no longer allowed to live in Riga but had been ordered to do hard physical work on a collective farm.
WordNet
collective farm
n. a farm operated collectively