Firefighters were alerted after a car caught fire on the outskirts of Melton on Saturday evening.
A crew from Melton station attended the scene of the incident, which was on the Mill House Nurseries site off the A607 Leicester Road.
A spokesperson for Leicestershire Fire and Rescue Service said: “We got the call at 7.24pm.
“There was a vehicle fire 300 metres from the roadway in a freshly ploughed field.”
Firefighters fought the blaze, which was believed to have been started deliberately.