Abstract: The invention relates to a soil-cultivation unit, comprised of a tractor (21) and a driven soil-cultivation machine or comprised of a tractor (21) and a passive, pulled soil-cultivation device (22) for conservation-type soil cultivation, having an equipment carrier with cultivator tools for accommodating one or more cultivator tines (6), characterized in that a regulation unit (23) is provided that accesses data that is recordable before and after travel over the work area in the work process and during the work process, control elements (10) are provided, via which the cutting geometry of the cultivator tines (6) can be adjusted, the regulation unit (23) is set up in such a way that control variables can be generated from the recorded data for setting the cutting geometry during the work process, and the cutting geometry of the cultivator tines (6) is can be permanently adjusted during the work process as a result of the control variables that are generated.