|The soil types and climate of the Willamette Valley make the region ideal for growing grapes, especially Pinot noir1. There are six sub-appellations, or grape growing regions, within the valley1. Over 12,000 acres are in wine grape production in the Willamette Valley, with the largest acreage and number of vineyards in Yamhill County2. Various other grapes are grown within Oregon, but Pinot noir and Pinot gris are produced in the largest quantities2. Grape production requires a heavy investment upfront, with high annual production costs, including labor, and the fields often do not provide a return until the third year3.||Viticulture / Viticultura Translation Needed
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1. O'Hara, S. (2009) The Willamette Valley Appellation, its sub appellations and its Wineries. Available at www.winesnw.com/will.html (accessed July 2009).
2. Oregon Department of Agriculture (2008) 2007-2008 Oregon Agriculture & Fisheries Statistics, 2008 Oregon Agripedia. Available at www.oregon.gov/ODA/ (accessed July 2009).
3. Hellman, E. (1999) Grapes for Fresh & Wine Production. Available at smallfarms.wsu.edu/ (accessed July 2009).