Like the guy who gets up early to make the doughnuts, I get up early to make the chickens happy.  Every morning they get clean sheets, fresh water and a nice breakfast of fresh greens and feed.  For reference, here is tomorrow’s alfalfa:

This is the alfalfa minutes after I moved the tractor.  See how much is stepped on and eaten?

This is the alfalfa they just left behind.  Can you see where the waterer was?  How about the edge of the tractor?

You can see where the tractor has been over the last few days.  You can also see where the chickens sleep.

Intense disturbance followed by rest should make a similarly visible positive difference when the plants fully recover.

I should also point out that the waterers need nearly constant attention.  I keep a toilet brush with the tractors so I can scrub out the bell waterers several times/day.