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Irrigation Monitoring Using Soil Water Tension

This publication discusses the use of granular matrix sensors (GMS) for monitoring soil moisture content. It explains how to install GMS and use the recorded data for irrigation scheduling.

Clinton Shock, Feng-Xin Wang, Rebecca Flock, Erik Feibert, Cedric A. Shock, Andre Pereira | Jul 2021 | Extension Catalog publication Peer reviewed (Orange level)

Analyze your garden soil at home with the jar test

Learn how to do a simple test with few materials to see how much of the soil is sand, silt or clay.

Jun 2018 | Article

Irrigation Monitoring Using Soil Water Tension

This publication discusses the use of granular matrix sensors (GMS) for monitoring soil moisture content. It explains how to install GMS and use the recorded data for irrigation scheduling.

Clinton Shock, Feng-Xin Wang, Rebecca Flock, Erik Feibert, Cedric A. Shock, Andre Pereira | Jul 2021 | 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)

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)

Drought and Heat Needs Assessment

Learn what farmers and ranchers are already doing to contend with drought and heat and what types of support they need.

Dr. Berit Dinsdale, María Isabel Zamora Re, Lauren Chase | Project

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)

Groundwater and Nitrogen Management in Willamette Valley Mint Production

Describes impacts of nitrogen overfertilization and uneven irrigation on groundwater in Willamette Valley, Oregon. Recommends that mint crop growers use stem testing to gauge nitrogen needs more closely and advises growers on how to improve irrigation system efficiency.

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

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)