The Yakima River provides irrigation for the dry but fertile land in the valley, and irrigated agriculture is the economic base. Agricultural land totals , including irrigated pastures, orchards, grapes, hops, and field crops. A significant portion of Washington apples and cherries are grown in the valley, as well as most (75%) of the United States's hops. Since the late 20th century, the wine industry has grown rapidly in the area. It is the location of the Yakima Valley AVA, a designated American Viticultural Area.