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,