Maintaining horse pastures is the focus of a half-day seminar for horse owners and caretakers on Saturday, Sept. 17, 9 a.m.–noon at the University of Maine J.F. Witter Teaching and Research Center, 160 University Farm Road, Old Town.Topics include improving the nutritional quality of horse pastures, innovative grazing strategies, weed control, managing heavy-use areas, and read more Horse pasture management seminar at Witter Center