You are joking right.
The programme was started by the BBC just after world war 2. It was a public information braodcast aimed at farmers to help them understand how to be more productive.
It's a soap now but the agricultural content is still correct and reflect modern thinking. It's call the Archers becaue, you guessed it, the main family it revolves around are the Archer family. It's set in the fictional county of Borsetshire which is identified by many to be somewhere in the mid west of England.
Not that I listen to it. :D