An implement comprising: a frame having a main section and a wing section (22, 24) pivotally coupled to the main section; a main wheel assembly coupled to the frame main section to support the frame main section for movement over a ground surface; a wing wheel assembly coupled to the frame wing section (22, 24) to support the frame wing section (22, 24) for movement over the ground surface; a row unit mounted to the frame wing section (22, 24) to dispense a product to the ground surface; the row unit including a furrow opener and a gauge wheel; a weight transfer system coupled to the frame main and wing sections (20, 22, 24) and adapted to transfer weight from the frame main section to the frame wing section (22, 24) to reduce the load carried by the main wheel assembly, the weight transfer system including a hydraulic cylinder connected between the main frame section and each wing section (22, 24) spanning across wing pivot axes (36 and 38); a row unit downforce system coupled to the frame wing section (22, 24) and adapted to apply a force on the row unit relative to the frame wing section (22, 24), the row unit including a row unit down force actuator in the form of an adjustable pneumatic down force cylinder on each row unit, the implement characterized by further comprising: a sensor configured to measure the force applied by the row unit downforce system and generate a signal indicative of the applied force, wherein the sensor is located at the down force cylinder to measure the force applied by the down force cylinder on the row unit; and a control system adapted to operate the weight transfer system in response to the signal from the sensor to assist the row unit downforce system, wherein the control system is programmed to actuate the weight transfer system to apply an additional force on the frame wing section (22, 24) in response to the signal. a frame having a main section and a wing section (22, 24) pivotally coupled to the main section; a main wheel assembly coupled to the frame main section to support the frame main section for movement over a ground surface; a wing wheel assembly coupled to the frame wing section (22, 24) to support the frame wing section (22, 24) for movement over the ground surface; a row unit mounted to the frame wing section (22, 24) to dispense a product to the ground surface; the row unit including a furrow opener and a gauge wheel; a weight transfer system coupled to the frame main and wing sections (20, 22, 24) and adapted to transfer weight from the frame main section to the frame wing section (22, 24) to reduce the load carried by the main wheel assembly, the weight transfer system including a hydraulic cylinder connected between the main frame section and each wing section (22, 24) spanning across wing pivot axes (36 and 38); a row unit downforce system coupled to the frame wing section (22, 24) and adapted to apply a force on the row unit relative to the frame wing section (22, 24), the row unit including a row unit down force actuator in the form of an adjustable pneumatic down force cylinder on each row unit, the implement characterized by further comprising: a sensor configured to measure the force applied by the row unit downforce system and generate a signal indicative of the applied force, wherein the sensor is located at the down force cylinder to measure the force applied by the down force cylinder on the row unit; and a control system adapted to operate the weight transfer system in response to the signal from the sensor to assist the row unit downforce system, wherein the control system is programmed to actuate the weight transfer system to apply an additional force on the frame wing section (22, 24) in response to the signal. a sensor configured to measure the force applied by the row unit downforce system and generate a signal indicative of the applied force, wherein the sensor is located at the down force cylinder to measure the force applied by the down force cylinder on the row unit; and a control system adapted to operate the weight transfer system in response to the signal from the sensor to assist the row unit downforce system, wherein the control system is programmed to actuate the weight transfer system to apply an additional force on the frame wing section (22, 24) in response to the signal.