May 2018 issue of Appellation Cornell Appellation Cornell News from Cornell’s Viticulture and Enology Program May 2018 In this issue: Expanding the Use of Under-Vine Cover Crops in New York Vineyards Five Questions for Demi Perry V&E Senior Capstones Making a Difference for New York Potassium – From the Soil to the Wine Conventional Measurements of SO2 in Red Wine Overestimate SO2 Antimicrobial Activity And more. September 5, 2018Grape newsNews