Shemitta is Now Getting Real

These are now the price signs in the Rami Levy Vegetable Department:

And this is the important part:

The tomatoes and other vegetables on sale in Rami Levy now need to be cared for. Peelings and garbage shouldn't be just dumped.

The Sha'ar Binyamin branch of Rami Levy sells "Otzar Beit Din" vegetables. Even though we've been here for decades, I don't feel qualified to give detailed instruction about what this means. I'd appreciate learned and clear comments, thanks.