Social networking, local economies and sustainable agriculture will be the focus when Casey Hoy speaks tomorrow at Ohio State. Hoy, holder of the university’s Kellogg Endowed Chair in Agricultural Ecosystem Management, will present “Specialty Crop Partnerships, Business Ecosystems and Agroecosystem Health” at 11 a.m. in 244 Kottman Hall, 2021 Coffey Rd., in Columbus or in 121 Fisher Auditorium at OARDC, 1680 Madison Ave., in Wooster. Details.