By Lily Calderwood, Ph.D., University of Maine Cooperative Extension Wild Blueberry Specialist, and Abby Cadorette, Ecology and Environmental Sciences Student, University of Maine. For information about UMaine Extension programs and resources, visit extension.umaine.edu.Find more of our publications and books at extension.umaine.edu/publications/. Adjusting soil pH is a practice used by wild blueberry growers for weed and nutrient