A baler for providing round bales, comprising: - a frame, including a baling chamber for receiving crops for forming a bale, the baling chamber including a first part, for housing a first amount of crops, and a second part, for housing a second amount of crops; - a conveying assembly, configured for imparting a first rotating movement to the first amount of crops, and, at the same time, a second rotating movement to the second amount of crops; - a pick-up device, configured for picking-up the crops from a field; - a feeding system, including a feeding channel having an inlet, for receiving the crops from the pick-up device, and an outlet, opened to the baling chamber for feeding the crops to the baling chamber, wherein the feeding system is movable between a first configuration and a second configuration, wherein, in the first configuration of the feeding system, the feeding channel has a first orientation so that the outlet of the feeding channel is opened to the first part of the baling chamber, and, in the second configuration of the feeding system, the feeding channel has a second orientation different from the first orientation, so that the outlet of the feeding channel is opened to the second part of the baling chamber, characterized in that the feeding system further includes a plurality of starter rollers (404, 404', 404"), arranged at the outlet of the feeding channel, and configured to cooperate with the conveying assembly to rotate the first amount of crops and the second amount of crops, and with the feeding channel to feed the crops into the baling chamber, the starter rollers (404, 404', 404") of said plurality being movable in synchronized fashion with the feeding channel, between a first position, in which they at least partially delimit the first part of the baling chamber to rotate the first amount of crops, and a second position, in which they at least partially delimit the second part of the baling chamber, to rotate the second amount of crops, wherein, in the first configuration of the feeding system, the starter rollers (404, 404', 404") of said plurality are in the first position, and, in the second configuration of the feeding system, the starter rollers (404, 404', 404") of said plurality are in the second position. - a frame, including a baling chamber for receiving crops for forming a bale, the baling chamber including a first part, for housing a first amount of crops, and a second part, for housing a second amount of crops; - a conveying assembly, configured for imparting a first rotating movement to the first amount of crops, and, at the same time, a second rotating movement to the second amount of crops; - a pick-up device, configured for picking-up the crops from a field; - a feeding system, including a feeding channel having an inlet, for receiving the crops from the pick-up device, and an outlet, opened to the baling chamber for feeding the crops to the baling chamber, wherein the feeding system is movable between a first configuration and a second configuration, wherein, in the first configuration of the feeding system, the feeding channel has a first orientation so that the outlet of the feeding channel is opened to the first part of the baling chamber, and, in the second configuration of the feeding system, the feeding channel has a second orientation different from the first orientation, so that the outlet of the feeding channel is opened to the second part of the baling chamber, characterized in that the feeding system further includes a plurality of starter rollers (404, 404', 404"), arranged at the outlet of the feeding channel, and configured to cooperate with the conveying assembly to rotate the first amount of crops and the second amount of crops, and with the feeding channel to feed the crops into the baling chamber, the starter rollers (404, 404', 404") of said plurality being movable in synchronized fashion with the feeding channel, between a first position, in which they at least partially delimit the first part of the baling chamber to rotate the first amount of crops, and a second position, in which they at least partially delimit the second part of the baling chamber, to rotate the second amount of crops, wherein, in the first configuration of the feeding system, the starter rollers (404, 404', 404") of said plurality are in the first position, and, in the second configuration of the feeding system, the starter rollers (404, 404', 404") of said plurality are in the second position.