Crews were called after 100 tonnes of straw caught fire near Market Deeping.
The incident happened at around 12.15am on Friday, July 21 on Hards Lane, Frognall.
Approximately 100 tonnes of straw was set alight. On arrival, firefighters assessed the blaze.
1/2 00:12 @DeepingFire attended a large stack fire on Hards Lane, Frognall. Approx. 100 tonnes of straw alight. Crew assessed the situation.
— Lincs Fire & Rescue (@LincsFireRescue) July 21, 2017
The fire was left to burn out throughout the night and is expected to be re-inspected later this morning.
The cause of the fire is currently under investigation.