PROBLEM TO BE SOLVED: To provide a roll baler capable of reaping crops for hole crops and directly forming into a roll bale by partially utilizing reaping and conveying part of a combine harvester. SOLUTION: This roll baler for hole crops is equipped with a reaping and carrying device, a device for moving stem culms to center, a stem culms cutter and a carrying device for stem culms cut pieces and a roller baler device. In the roll baler, the carrying device is constituted of a first carrying auger 45 capable of moving the stem culms cut pieces while transferring these pieces in the direction perpendicular to carrying direction and a beater 47 for feeding stem culms cut pieces to the roll baler.
