An agricultural work machine, preferably for soil cultivation and/or for sowing, the agricultural work machine comprising at least: - a machine frame with at least one carrier mounted thereon so as to be height-adjustable and/or angle-adjustable by means of an adjustment mechanism, wherein the adjustment mechanism has a motorised adjustment device for position change of the carrier, and wherein at least one tool unit is mounted to the carrier, of which tool unit the contact pressure on the ground to be worked and/or the working depth is changeable depending on a position of the carrier relative to the machine frame, which position is adjustable by means of the motorised adjustment device of the adjustment mechanism, - a first detection device configured to detect spatial relationships between at least two machine components of the agricultural work machine, which machine components are movable relative to each other, particularly, to detect a deflection and/or an angular position and/or a change in height of the carrier and/or of the tool unit, wherein at least one of the machine components forms a reference component of the agricultural work machine, - a second detection device configured to detect a current distance of the reference component of the agricultural machine from the ground and/or to detect a current angular position in space of the reference component of the agricultural machine, - a signal processing and control device operatively connected to the first detection device and to the second detection device and configured to receive and process measured values (46, 52) from the detection devices (44, 50), wherein target values, in particular for the working depth and/or the contact pressure, are stored in the signal processing and control device, and wherein the signal processing and control device is configured in such a manner that control signals for the control of the motorised adjustment device of the adjustment mechanism are generatable by the signal processing and control device by means of a comparison of the measured values (46, 52) supplied by the detection devices (44, 50) with the target values. - a machine frame with at least one carrier mounted thereon so as to be height-adjustable and/or angle-adjustable by means of an adjustment mechanism, wherein the adjustment mechanism has a motorised adjustment device for position change of the carrier, and wherein at least one tool unit is mounted to the carrier, of which tool unit the contact pressure on the ground to be worked and/or the working depth is changeable depending on a position of the carrier relative to the machine frame, which position is adjustable by means of the motorised adjustment device of the adjustment mechanism, - a first detection device configured to detect spatial relationships between at least two machine components of the agricultural work machine, which machine components are movable relative to each other, particularly, to detect a deflection and/or an angular position and/or a change in height of the carrier and/or of the tool unit, wherein at least one of the machine components forms a reference component of the agricultural work machine, - a second detection device configured to detect a current distance of the reference component of the agricultural machine from the ground and/or to detect a current angular position in space of the reference component of the agricultural machine, - a signal processing and control device operatively connected to the first detection device and to the second detection device and configured to receive and process measured values (46, 52) from the detection devices (44, 50),