No one was hurt. RIA-Novosti news agency quoted a local police spokesman as saying the accident happened Friday in southern Russia's Stavropol region.
It said the pilot lost his way, saw a tractor below and decided to land to get advice from the driver.
Oleg Ugnivenko, a spokesman for the regional branch of Russia's Emergency Situations Ministry, said the An-2 agricultural plane grazed the tractor while landing in the field and broke its landing gear. He said no one was hurt but gave no further details.