Harvard Researcher Ye Tao discussed using mirrors in farm fields for heat management of the soil/earth. He said you get similar results with solar panels, but his focus is combating earth temperature rise which is cheaper to do with mirrors than panels, making them a situationally better idea depending on the needs of a given place. Full interview by David Robberts (Volts) here https://www.volts.wtf/p/volts-podcast-dr-ye-tao-on-a-grand