Farming story (?)

It is hugely expensive to make triple-header events like the America run, the farming story and the limousine test. And it’s fairly cheap to drive a manufacturer’s test car round some corners on a quiet country road or on our track

J. Clarkson. The Top Gear Years, Penguin Books Limited 2012
That's where you can read the full text

What farming is he talking upon here? I doubt it's agricultural one..

Jeepster said:

What farming is he talking upon here? I doubt it's agricultural one..

Looking at the episode guide, I see that in Series 16: Episode "the one with the Snowbine Harvester," they convert a combine harvester (a piece of farming equipment) into a snow plow.