After the tractor passes, the mulch will stay on the ground and decompose, providing nutrients to the soil.
Later, someone will drive a tractor along the rows with a mulching attachment and grind the trimmings. That's when you know that spring is here.
I feel like I'm scraping the bottom of the barrel for photos right now. The weather has not been good for outdoor photography; I don't like to take the camera out in the rain.