In order to make it possible to easily grasp information relating to a formed material formed by a forming device, this crop management system is provided with: an information output device which is provided in a forming device for forming crops into a formed material of a prescribed shape and which outputs formed material information relating to the formed material; a wireless tag which is provided on the formed material and which stores identification information of the formed material; and a management device comprising an acquisition unit, which acquires identification information of the wireless tag and formed material information about the formed material, and an association unit, which associates the identification information of the wireless tag acquired by the acquisition unit and the formed material information acquired by the acquisition unit.
