Waldoboro, Maine — Brett Johnson, sustainable agriculture educator at University of Maine Cooperative Extension, will present at the Waldoboro Public Library, 958 Main Street, about the benefits of soil testing before planting begins. The program will take place on Wednesday, May 7 from 5–6:30 p.m.  Soil testing is a cost-effective practice to optimize fertilizer use read more Soil Testing Questions Answered at Waldoboro Public Library