Fire crews from Spilsby and Alford were called to the scene at 1.40pm yesterday (Monday).
Lincolnshire Fire and Rescue tweeted: "@SpilsbyFire & Alford attended a grain drier on fire within a dutch barn.
"Fire damage to one tonne of corn.
"Crews used dry powder extinguishers and thermal imaging camera to extinguish.
"Caused by corn getting lodged within grain drier. No livestock involved."