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Showing 11 - 20 of 138 results.

The Phosphorus Dilemma

Explains water-quality issues related to excess phosphorus in surface waters. Provides specific ways for homeowners, commercial property managers, irrigated row crop growers, dryland farmers, ranchers, and confined animal ...

Chelsey L. Iida, Clinton Shock | Oct 2007 | Extension Catalog publication Peer reviewed (Orange level)

Make Polyacrylamide Work for You

PAM is a synthetic water-soluble polymer composed of molecules of acrylamide. PAM binds soil particles together, causing them to settle out and not be carried away in runoff water. This prevents soil loss and ...

Chelsey L. Iida, Clinton Shock | May 2008 | Extension Catalog publication Peer reviewed (Orange level)

Myth vs. reality: What’s the truth behind some common gardening practices?

Experts from Oregon State University Extension Service stepped up to bust some common gardening myths.

Kym Pokorny | Jul 14, 2023 | News story

Managing Irrigation Water Quality for Crop Production in the Pacific Northwest

Focuses on analyses used for typical agricultural irrigation water sources. Discusses sampling procedures, analyses to perform, and hazards from salts, individual nutrients, pH, sodium, carbonates, and lime. Includes numerous examples and reference tables.

Bryan G. Hopkins, Donald A. Horneck, Robert G. Stevens, Jason W. Ellsworth, Dan M. Sullivan | Aug 2007 | Extension Catalog publication Peer reviewed (Orange level)

Pesticides in Southern Willamette Valley Groundwater

Reviews recent studies of nitrogen contamination of groundwater in the southern Willamette Valley of Oregon from pesticide use. Finds no violation of drinking water standards, though many water samples contained traces...

John Selker | Apr 2004 | Extension Catalog publication Peer reviewed (Orange level)

Successful Potato Irrigation Scheduling

This publication discusses irrigation scheduling of potatoes using crop evapotranspiration and/or soil water tension.

Clinton Shock, Feng-Xin Wang, Rebecca Flock, Eric Eldredge, Andre Pereira | Jul 2021 | Extension Catalog publication Peer reviewed (Orange level)

Efficient Lawn Irrigation in the Intermountain West

Proper irrigation, despite being one of the most important factors in maintaining a healthy lawn, is the most often overlooked variable in lawn care. This publication describes common turfgrass species, soil water ...

Brian Charlton, Rob C. Golembiewski, Tom Cook | Oct 2010 | Extension Catalog publication Peer reviewed (Orange level)

Precision Agrilab

Producing quality results quickly is the primary objective at Precision Agri-Lab. To ensure accurate and precise data, we have implemented extensive quality control procedures. Daily QC procedures include running method blanks, duplicates, intra-laboratory control samples, and second source calibration verification samples.

Aug 2018 | Online resource

Riparian management and resources for landowners

Riparian areas are rich ecological environments that support a diversity of life and contribute to the overall health of our communities. But they are delicate and complex, and face threats to their existence. Private landowners ...

Julia Wentzel, Chloe Hull | Aug 2021 | Article Peer reviewed (Gray level)

Irrigating pastures

Irrigating pastures can provide livestock with nutrition long into summer. Learn to monitor soil moisture to determine when to irrigate and how much water to apply.

Mylen Bohle | Jul 2007 | Article Peer reviewed (Gray level)