New Washington State University research shows that flowering cover crops can attract beneficial insects to vineyards, though more work is needed to move the beneficials from the cover crop to the grape canopy. There have been few studies on the establishment of flowering cover crops in drip-irrigated systems for the Pacific Northwest; however, there is a growing interest in sustainable vineyard practices and increasing the biodiversity of vineyards in Washington State. A three-year cover crop research project was initiated in 2005 to learn if certain cover crop species were better than others at attracting beneficial insects to the vineyard. In […]