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SECTION HEADER 4 WINES&VINES June 2015 METRICS 10 Winery jobs, DtC and off-premise sales up. NEWS 14 Top Stories Diageo mulls selling brands; Northwest faces drought. 22 Regional News 67 Eastern News WE Pa. winery sold; Frigid winter. COLUMNS 28 Vineyard View Funding viticulture research. 31 Viewpoint It's time to replace woody indexing with DNA testing. PRODUCTS 26 Product News Richelieu barrel. 45 Product Focus pH meters and sensors. NEWSMAKERS 79 East Bay Vintners Alli- ance 10th anniversa- ry; Sonoma County Barrel Auction. 70 6 Connect With Us 8 Editor's Letter 78 Advertiser Index Contents PUBLISHING INFORMATION: Volume 96 Number 6. Wines & Vines, ISSN 043-583X, a member of Wine Communications Group, Sonoma, Calif., is published monthly. Periodicals postage paid at San Rafael and at additional mailing offices. Reproduction in whole or part without permission is prohibited. Wines & Vines does not assume responsibility for unsolicited manuscripts or materials. Contributors are responsible for the proper release of proprietary and/or classified information. Wines & Vines is distributed through an audited circulation. SUBSCRIPTION RATES: U.S., $38; Canada/Mexico, $48; All other countries, $85 (for airmail add $85). POSTMASTER: Send address changes to: Wines & Vines, PO Box 1649, Boulder, CO 80306-1649. 63 WINERY & VINEYARD EQUIPMENT 34 Is Your Crush Equipment Up to Snuff? How winemakers are taking their crush pads to the next level. WINEMAKING 39 Technical Spotlight: Odette Estate Winery PlumpJack expands Napa Valley presence with new winery and rebuilt cave system in Stags Leap AVA. By Andrew Adams 47 A Conversation with Michael Pierce Program director at Yavapai College discusses Arizona's progress in viti- culture and enology. By Laurie Daniel 52 Managing Nutrition of Wine Bacteria PWV Minimize the effect of inhibitors to lactic acid bacteria. By Magali Déléris-Bou, Sibylle Krieger-Weber, Ph.D. and Goran Milanov, Ph.D. 57 Challenges of Difficult-to-Ferment Juices PWV Select the right yeast strain and monitor nitrogen levels. By Linda F. Bisson, Vidhya Ramakrishnan, Lucy Joseph, Koichi Sakamoto, Peter Luong, Qinqwen Fan, Yan Luo and Gordon Walker ASEV PREVIEW 50 ASEV Revisits Nitrogen National conference to provide the latest wine research. By Kate Lavin GRAPEGROWING 63 Where to Install Soil Moisture Sensors PWV Mapping and evaluating vineyard blocks helps select the site that best represents vine irrigation status. By Fritz Westover 70 Growing Wine Quality: Thiols WE Adoption of vineyard practices can enhance fruit aromas in cultivars such as Sauvignon Blanc. By Russell Moss 74 Cultivating Marquette Like Vinifera WE Hybrid wine grape gets 'premium' treatment from winemaker Ethan Joseph at Vermont's Shelburne Vineyard. By Bill Ward 39