It was a perfectly decent patch of lawn, several hundred square feet of grass in a condominium community on this city’s western edge. But Jaime Gonzalez, a worker with a local landscaping firm, had a job to do.

Wrangling a heavy gas-powered sod cutter, Mr. Gonzalez sliced the turf away from the soil underneath, like peeling a potato. Two co-workers followed, gathering the strips for disposal.