Steve Norberg is the Agriculture Extension Regional Specialist for Adams, Benton, Franklin and Grant Counties, providing Columbia Basin producers guidance with issues related to forage and irrigated cropping systems.
Variety Trials
Alfalfa
2022 WSHGA & WSU Alfalfa Variety Yield Trials Report (pdf)
2021 WSHGA & WSU Alfalfa Variety Yield Trials Report (pdf)
2020 WSHGA & WSU Alfalfa Variety Yield Trials Report (pdf)
2019 WSHGA & WSU Alfalfa Variety Yield Trials Report (pdf)
2018 WSHGA & WSU Alfalfa Variety Yield Trials Report (pdf)
2017 WSHGA & WSU Alfalfa Variety Yield Trials Report (pdf)
2016 WSHGA & WSU Alfalfa Variety Yield Trials Report (pdf)
2015 WSHGA & WSU Alfalfa Variety Yield Trials Report (pdf)
2014 WSHGA & WSU Alfalfa Variety Yield Trials Report (pdf)
2014 – Complete Results of Trials Planted in 2011 (pdf)
2013 WSHGA & WSU Alfalfa Variety Yield Trials Report (pdf)
Publications
- Developing Practical Phosphorus and Potassium Tissue Test Recommendations and Utilizing Struvite in Modern Alfalfa Systems – 3 year summary (doc)
- Developing Practical Phosphorus and Potassium Tissue Test Recommendations and Utilizing Struvite in Modern Alfalfa Systems – 3 year summary (2 page version) (doc)
- Developing Practical Phosphorus and Potassium Tissue Test Recommendations and Utilizing Struvite in Modern Alfalfa Systems (pdf)
- The Economic Contributions of West Coast Forage Exports 2017 (pdf)
- Nitrate Poisoning in Ruminants (pdf)
- Prussic Acid Poisoning in Livestock (pdf)
- 2012 Enterprise Budget for Establishing and Producing Irrigated Alfalfa in the Washington Columbia Basin (pdf)
- 2012 Cost of Producing Alfalfa Hay Under Pivot Irrigation in the Columbia Basin of Washington State (pdf)
- Nutrient Management Guide for Dryland and Irrigated Alfalfa in the Inland Northwest (pdf)
- Organic Alfalfa Management Guide (pdf)
- Orchardgrass Hay Production Guide for the Columbia Basin of Washington (pdf)
- Optimum Planting Date for Alfalfa Grown in the Columbia Basin (pdf)
- Producing High Quality Orchardgrass and Timothy Hay (pdf)
- Back-to-Back Alfalfa with Metam Sodium (pdf)
- Cool and Warm Season Forage Grass Performance in the Columbia Basin of Washington (pdf)
- Cost of Producing Alfalfa Seed in the Columbia Basin of Washington State (link)
- Alfalfa, Wildlife and the Environment (pdf)
- National Alfalfa & Forage Alliance Publications (link)
Resources

Watch the Presentation (link)
Developing In-Season Nitrogen Rate Assessment Tools for Timothy Hay Production presentation by Steve Norberg

CAHNRS News (link)
Extension scientist, Steve Norberg, leads search for genetic key to better alfalfa.

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