It’s harvest time on Adam’s farm. The old reliables are back - wheat, barley and oilseed rape - and the combines, tractors, trailers and balers are hard at work. But how much longer will farmers be working like this? Big changes are on the horizon for British agriculture, and harvests of the future will be very different to what we’re used to. But how exactly? In this harvest special, Countryfile turns its eyes to the future and meets the machines and robots that could be the farmers of the future.