An agricultural baler including a bale chamber; a feeder duct communicating with the bale chamber; and a feeder operable within the feeder duct to accumulate a charge of crop material therein and then stuff that accumulated charge into the bale chamber. The baler further includes a conveying channel and a conveyor operable in the conveying channel to convey the crop material along a bottom wall of the conveying channel toward the feeder duct. The bottom wall of the conveying channel is adapted to be moved away from the conveyor; and the lower end part of the bottom wall of the feeder duct is attached to the movable bottom wall of the conveying channel.
