For greater clarity, the presentation of the weight force and the force between soil and depth guide
wheel is omitted on the following illustrations.
Maestro without AutoForce
H
H
Sowing on soft, moist or light soil
Placement depth H is maintained. The force
acting from the soil on the coulter discs is
relatively low.
Sowing on hard soil, clod-type soil or rocky soil
The force acting on the coulter discs increases.
The placement depth decreases.
Maestro with AutoForce
H
H
Sowing on soft, moist or light soil
Placement depth H is maintained. The force
acting from the soil on the coulter discs is
relatively low.
Sowing on hard soil, clod-type soil or rocky soil
Additional coulter pressure is hydraulically
applied to the drill unit to allow deeper pene-
tration of the soil.
Placement depth H remains consistent.
6
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