A sod harvester comprising a sod roll accumulator squeeze device configured tocompact a sod roll while it is on a horizontal conveyor before it is picked upand movedby a sod carrier from a first location on the horizontal conveyor to a secondlocation. Thesod roll accumulator squeeze device is pivotally attached to a frame andcontrolled by ahydraulic cylinder that moves the accumulator squeeze device between an uppositionand a down position. The present invention is also a method of compacting asod rollwhile it is at a first location on a horizontal conveyor of a sod harvesterbefore it is movedby a sod carrier to a second location, the method comprising providing anaccumulatorsqueeze device that is pivotally attached to a frame and configured to compactthe sodroll from the rear end of the sod harvester.