Browse resources Displaying 1 - 2 of 2 resources Photo: Cody Copp (Cropped from original) Sunscreen for grapevines: Kaolin clay use in Pacific Northwest vineyards Research poster from the Oregon Wine Research Institute's 2024 Grape Day. Cody Copp | Apr 2024 | Presentation Photo: Patty Skinkis (Cropped from original) Pinot Noir Crop Estimation: Increase Factor Calculator This Excel file is for grape growers to use in calculating increase factors for Pinot noir yield estimates. Patricia A. Skinkis, Katherine McLaughlin | Dec 2022 | Fact Sheet Peer reviewed (Gray level)