Proper Regulated Deficit Irrigation
In my most recent column (“Vineyard Irrigation Strategies,” Wines & Vines, June 2011 issue) I presented the concept of regulated deficit irrigation (RDI), an irrigation strategy in which less water is applied than the full potential vine water use. Water deficits at specific times can be used to positively influence vine growth. Unlike many other fruit crops, the object of winegrowing is not simply to maximize yields. Wineries want to purchase the best possible fruit that they can obtain for a fair price.
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