Amazing what you can do with men’s underpants!

Farmers are burying pairs on their land – this men’s underwear must be pure cotton, left underground for eight weeks for this test – to see how to improve soil biology and structure.

We’re tempted to try this in the back garden to see if our undies come out all raggedy after such a short time…

(If you want to know more about the results, they’ll be presented at Cereal 2017 in June)