Dress properly for the job. Keep up with tetanus boosters every 10 years. Alcohol and some medicinal drugs will slow reflexes. Keep this in mind when near any work site if these are in your system. Running a productive and successful farm requires healthy workers.
Several factors can affect personal health.
These include physical well being, knowing limitations, stress, and drugs and alcohol. Mind and Body Temperature, humidity, soil conditions and terrain affect both human and machine performance. Prepare for the unusual, and expect the unexpected. Mud, rain and bad weather are inevitable. You need proper equipment and know-how to work in these adverse conditions.