to unload bales like other baler do.
The baler pulled by a tractor has a higher baling capacity because it leaves the
bales in the field, whereas self-propelled balers do the added work
of taking the bales to the side of the field. The self-propelled baler,
having the lowest capacity of 0.87 t h−1, can cover about 10 rounds
of labor (8 for gathering and 2 for handling). In addition to that,