Add Yahoo as a preferred source to see more of our stories on Google. Photo taken from Industrial Park Rd. in Boone. A small solar field in Boone. (Photo by Cami Koons/Iowa Capital Dispatch) The U.S.

Iowa (ICD) - The U.S. Department of Agriculture has announced it would restrict the use of federal subsidies for solar energy projects in favor of protecting farmland, but clean energy advocates say ...