It's often easy to avoid the worst offenders, though. Place a few trash bins close to popular camping spots, and then more people will clean after themselves. H

It's often easy to avoid the worst offenders, though. Place a few trash bins close to popular camping spots, and then more people will clean after themselves. Have a spring in the gate so it always closes itself. Make a marked path that is easy to follow that avoids crops. Etc. etc. Most people behave if you make it the most convenient thing.