1. Securely fasten your seat belt if the tractor has a ROPS.
2. Where possible, avoid operating the tractor near ditches,
  embankments, and holes.
3. Reduce speed when turning, crossing slopes, and on rough,
  slick, or muddy surfaces.
4. Stay off slopes too steep for safe operation.
5. Watch where you are going, especially at row ends, on roads,
  and around trees.
6. Do not permit others to ride.
7. Operate the tractor smoothly - no jerky turns, starts, or stops.
8. Hitch only to the drawbar and hitch points recommended by tractor
  manufacturers.
9. When tractor is stopped, set brakes securely and use park lock if
  available.