My sward turned brown when I vanished clear plastic laid out on a remarkably hot daylight?
Answers: You can try watering it extra to see if it will grow back, but probability are you may have kill some of it. You may need to receive some new grass seed, and spread them around the effected areas. If you rake them surrounded by, the dead grass can work as fetilizer.
You can never leave anything on the grass. It will slaughter it.
That is like when folks leave kiddie pools on the grass it get all discolored and dies past its sell-by date.