Data on deficit irrigation treatments on juice and wine grapes will be collected by WSU’s Joan Davenport. A broad research coalition has embarked on a comprehensive, five-year project to develop sustainable water management strategies for vineyards. The aim is to maintain or improve yield and fruit quality, while using less and lower quality irrigation water. Directed by Dr. James Ayars, agricultural engineer at the U.S. Department of Agriculture’s Water Management Research Unit in Parlier, California, the $562,000 project is funded by USDA’s Specialty Crop Research Initiative and involves researchers, extension educators, and grower cooperators from California, Oregon, Washington, and Texas. […]