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Coronavirus COVID-19

COVID-19 Advisory: WSU Extension is working to keep our communities safe. All Extension programming is being provided virtually, postponed, or canceled. Effective March 16, 2020, WSU Extension county offices and WSU Research & Extension Centers will be closed to the public. We are available via email, phone, and webconference.


Program Contact: Dale Whaley, Agronomy Educator
509-745-8531 •

The science of soil management and the production of field crops.

WSU Extension’s Agronomy program can provide educational programming to assist with bio-control of insects and improving crop production and profitability.

Hand Sprayer Calibration Steps Worksheet (PDF)


Integrated Weed Management
Winter Peas
Integrated Pest Management
Canola Insect Pests and Diseases
Pastures and Forages
Farm Management

For more information, contact:
Dale Whaley, WSU Douglas County Extension Office

  • Agriculture & Integrated Weed Management
  • PO Box 550
  • Waterville, WA 98858
  • 509-745-8531

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