WordNet (r) 3.0 (2006):

truck farm
    n 1: a farm where vegetables are grown for market [syn: truck
         farm, truck garden]

Moby Thesaurus II by Grady Ward, 1.0:

49 Moby Thesaurus words for "truck farm":
   arable land, barnyard, barton, cattle ranch, chicken farm,
   collective farm, cotton plantation, croft, dairy farm, demesne,
   demesne farm, dry farm, dude ranch, factory farm, fallow, farm,
   farmery, farmhold, farmland, farmplace, farmstead, farmyard,
   fruit farm, fur farm, grain farm, grange, grassland, hacienda,
   homecroft, homefarm, homestead, kibbutz, kolkhoz, location, mains,
   manor farm, orchard, pasture, pen, plantation, poultry farm, ranch,
   rancheria, rancho, sheep farm, station, steading, stock farm,
   toft