Columbia Valley Was Established 1984, it's Washington's largest viticultural region.

哥伦比亚谷产区崛起于1984年，是华盛顿州最大的葡萄种植区。

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Winemaking techniques are a factor also as are the viticultural techniques of the vineyard, such as dry irrigation or minimal or non use of pesticides.

酿酒技术和葡萄栽培技术一样，也是其中一个因素，如干灌溉或尽量少使用杀虫剂或不使用杀虫剂。

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Ramona Valley in San Diego County is now officially an American viticultural area.

NPR: Ramona Valley: New American Viticultural Area

Scores are awarded for the correct identification of the wine's predominant grape variety, country of origin, viticultural region, subdistrict and vintage.

WSJ: Will Lyons on Wine: The Battle of the Brains | Oxford & Cambridge University Blind Wine-Tasting Competition

Today two other wine-producing areas received their own appellations: the Wahluke Slope viticultural area in Grant County, Washington, and the Texoma viticultural area in north central Texas.

NPR: Ramona Valley: New American Viticultural Area