A bale density adjustment system for adjusting the density pressure of a bale during formation, comprising: a bale chamber (20), at least a first density adjuster (250), at least a first weight sensor (230), at least a first diameter sensor (240), at least a first operator interface, and a controller (210), in operable communication with and configured to process digital and/or analog information from the at least first weight sensor, the at least first diameter sensor, the at least first density adjuster, and the at least first operator interface.