Method for the control and/or regulation of at least one metering wheel of a spreading machine, comprising - at least one rotationally driven metering wheel; - at least one spreading element arranged downstream of the metering wheel for spreading the material for spreading, which is metered by means of the metering wheel, onto or into the ground; and - at least one control and/or regulating device which is operatively connected to the metering wheel and is designed for the control and/or regulation of the rotational speed of the metering wheel in accordance with a predeterminable setpoint mass flow of material for spreading, wherein at least one calibration test is performed in order to control and/or regulate the actual mass flow of material for spreading, which is metered by means of the at least one metering wheel, to the setpoint mass flow of material for spreading, characterized in that the calibration test is performed by means of a separate, rotationally driven calibration metering wheel with a weighing device arranged downstream thereof, wherein - the calibration metering wheel is rotated with a predetermined number of revolutions, and the calibration mass of material for spreading metered by means of the calibration metering wheel during said calibration test is gravimetrically detected, - the calibration mass of material for spreading, which is obtained in such a way, in relation to the number of revolutions of the calibration metering wheel is transmitted to the control and/or regulating device in order to determine therefrom the actual mass of material for spreading, which is metered by means of the at least one metering wheel, in relation to the number of revolutions of the at least one metering wheel, and - the rotational speed of the at least one metering wheel is controlled and/or regulated to the setpoint mass flow of material for spreading by means of the control and/or regulating device depending on said actual mass of material for spreading in relation to the number of revolutions of the at least one metering wheel. - at least one rotationally driven metering wheel; - at least one spreading element arranged downstream of the metering wheel for spreading the material for spreading, which is metered by means of the metering wheel, onto or into the ground; and - at least one control and/or regulating device which is operatively connected to the metering wheel and is designed for the control and/or regulation of the rotational speed of the metering wheel in accordance with a predeterminable setpoint mass flow of material for spreading, wherein at least one calibration test is performed in order to control and/or regulate the actual mass flow of material for spreading, which is metered by means of the at least one metering wheel, to the setpoint mass flow of material for spreading, characterized in that the calibration test is performed by means of a separate, rotationally driven calibration metering wheel with a weighing device arranged downstream thereof, wherein - the calibration metering wheel is rotated with a predetermined number of revolutions, and the calibration mass of material for spreading metered by means of the calibration metering wheel during said calibration test is gravimetrically detected, - the calibration mass of material for spreading, which is obtained in such a way, in relation to the number of revolutions of the calibration metering wheel is transmitted to the control and/or regulating device in order to determine therefrom the actual mass of material for spreading, which is metered by means of the at least one metering wheel, in relation to the number of revolutions of the at least one metering wheel, and - the rotational speed of the at least one metering wheel is controlled and/or regulated to the setpoint mass flow of material for spreading by means of the control and/or regulating device depending on said actual mass of material for spreading in relation to the number of revolutions of the at least one metering wheel.