A method of operating an agricultural system having a tractor and an implement, the method comprising - providing a driveline between a driving device (11.3) of a tractor and a first functional element (12.3) of an implement operatively attached to the tractor , the driveline comprising a tractor driveline and an implement driveline connected through a power take-off connection connecting a drive output shaft of the tractor power take-off and a drive input shaft of the implement driveline ; - providing a driving force to the first functional element (12.3) of the implement through the driveline in a first mode of operation, thereby, a working tool rotatable received in the first functional implement (12.3) rotating in a first direction in response to the driving force; - detecting an operation problem for the first functional element (12.3) by a sensor provided in a tractor-implement control system configured to provide one or more control functions for both the tractor and the implement ; - providing reverse control signals in a tractor controller provided in the tractor-implement control system in response to the detecting of the operation problem for the first functional element (12.3); and - reversing a direction of rotation of the drive output shaft of the tractor power take-off in response to the providing of the reverse control signals in the tractor controller in a second mode of operation, thereby, rotating the working tool of the first functional element (12.3) in a second direction which is opposite to the first direction, wherein providing the reverse control signals comprises - determining characteristics of the operation problem detected; and - generating the reverse control signals in dependence on the characteristics of the operation problem. - providing a driveline between a driving device (11.3) of a tractor and a first functional element (12.3) of an implement operatively attached to the tractor , the driveline comprising a tractor driveline and an implement driveline connected through a power take-off connection connecting a drive output shaft of the tractor power take-off and a drive input shaft of the implement driveline ; - providing a driving force to the first functional element (12.3) of the implement through the driveline in a first mode of operation, thereby, a working tool rotatable received in the first functional implement (12.3) rotating in a first direction in response to the driving force; - detecting an operation problem for the first functional element (12.3) by a sensor provided in a tractor-implement control system configured to provide one or more control functions for both the tractor and the implement ; - providing reverse control signals in a tractor controller provided in the tractor-implement control system in response to the detecting of the operation problem for the first functional element (12.3); and - reversing a direction of rotation of the drive output shaft of the tractor power take-off in response to the providing of the reverse control signals in the tractor controller in a second mode of operation, thereby, rotating the working tool of the first functional element (12.3) in a second direction which is opposite to the first direction, wherein providing the reverse control signals comprises - determining characteristics of the operation problem detected; and - generating the reverse control signals in dependence on the characteristics of the operation problem. <EOS>