If you’re already using cover crops (like this crimson clover), want to use them even more, and want to get even more of their benefits (which include improving water quality by reducing nutrient runoff), then check out what Andy Clark of USDA’s Sustainable Agriculture Research and Education program and Alan Sundermeier of CFAES’s statewide outreach arm, OSU Extension, have to share. “Advanced Cover Crop Concepts,” Session II, 1:45-3:45 p.m., Saturday, Feb. 14, at the Ohio Ecological Food and Farm Association’s 36th annual conference.