Free Irrigation Guides
The WSU Prosser Extension provides "The Washington Irrigator's Pocket Guide (Water Management and Equipment Maintenance)" from the National Center for Appropriate Technology on request to growers.
The "Estimating Soil Moisture by Feel and Appearance" pamphlet from the partnership between the USDA and NRC is also available on request to growers.
"The Washington Irrigator's Pocket Guide is available in English and the "Estimating Soil Moisture by Feel and Appearance" pamphlet is available in both English and Spanish.
This offer is only available to U.S. residents.
Request materials
To receive a free copy of the guide or the pamphlet, please fill out the following form with your information and select the materials you would like to receive.