an agricultural machine has a spurplanungseinheit to plan a einspurfahrspur agricultural machine and an associated with the spurplanungseinheit sensoreinheit to capture a series of culture in a new field.erfindungsgem u00e4 u00df is based in a start-up of the agricultural machine to the reihenkultur defining a einfahrposition in the reihenkultur by spurplanungseinheit on an analysis of the reihenkultur through the sensoreinheit and at least one equipment specific pa rameter, especially a working width of the machine.