Cody Copp, Assistant Professor of Practice and Horticulturist with Oregon State University Extension Service in Umatilla County, presents results from an ongoing research trial evaluating multiple uses for kaolin clay in wine grape production.

Clay soils in the Willamette Valley are the result of geologic actions that took place during the end of the last ice age – some 10,000-14,000 years ago, said Linda Brewer, senior faculty research assistant in Oregon State University’s College of Agricultural Sciences.

Feb 3, 2025 · Calm Week is a chance to take a break and recharge during the busy academic year. There are different activities planned throughout the week with some self-guided activities available any time. Please see the schedule below. Calm Week is happening in the Kow Lounge on the second (main) floor of the Valley Library. Calm Week is a partnership with OSU CAPS …

Management Area (GWMA) designated by the Oregon Department of Environmental Quality. Vegetables are grown in rotation with agronomic crops (such as winter wheat and grass seed) and specialty crops (such as vegetable seed crops). Most of the research presented here was conducted in fields where vegetables OREGON STATE UNIVERSITY EXTENSION SERVICE

Feb 4, 2022 · Clay soils in the Willamette Valley are the result of geologic actions that took place during the end of the last ice age – some 10,000-14,000 years ago, said Linda Brewer, senior faculty research assistant in Oregon State University’s College of Agricultural Sciences.

"The texture of a soil is its proportion of sand, silt and clay," said James Cassidy, a soils instructor at Oregon State University. “Texture determines all kinds of things like drainage, aeration, the amount of water the soil can hold, erosion potential and …

In Oregon there are three main types of aquifers: Many layers of basalt from ancient lava flows cover much of eastern Oregon and parts of the northern Willamette Valley. Between the layers of basalt there is soil and gravel that was on the surface at the time of each flow.

Sep 3, 2021 · CORVALLIS, Ore. – It’s a simple equation: If you want to grow better plants, you first need to understand the soil. "The texture of a soil is its proportion of sand, silt and clay," said James Cassidy, a soils instructor at Oregon State University.

A. Abbas, Houssam 2018, Assistant Professor, Sch Elect Engr/Comp Sci Degrees: BA, Arizona State University, 2004 PHD, Arizona State University, 2015. Abbasi, Bahman 2017, Associate Professor, Sch of Mech/Ind/Mfg Engr Degrees: MS, Southern Illinois U-Edwardsvil, 2007 PHD, Univ of Maryland-College Park, 2010. Ables, Scott 2018, Instructor, Sch of Hist Phil & Rel …

Credit: Alec Kowalewski, © Oregon State University Construction methods for a traditional sand-based, natural turfgrass athletic field are presented in the following order: Base grading.