Robot tractors may be heading to a farm near you

Once the tractor is driven into the field, the farmer can simply swipe right to send it on its way, with no need to be in the cab.

Las Vegas: Driverless plows and autonomous tools to weed vegetable plots are the latest innovations ready to help farmers juggling labour shortages, climate change and environmental protection, while trying to feed a growing world population.

Venerable American farm equipment manufacturer John Deere and French agricultural robot start-up Naio debuted their latest innovations at the Consumer Electronics Show, which began Wednesday in Las Vegas.