This community features publications and educational materials created by the WSU Extension, a network of agricultural experts across Washington state. With 39 locations throughout the state, WSU Extension builds the capacity of individual, organization, businesses and communities, empowering them to find solutions for local issues and to improve their quality of life. Extension collaborates with communities to create a culture of life-long learning and is recognized for its accessible, learner-centered, relevant, high-quality, unbiased educational programs.

WSU Extension began in 1913, a year ahead of federal legislation authorizing the present extension system. In that year, Washington state authorized a Bureau of Farm Development headquartered at Washington State College and provided for the appointment and maintenance of agricultural experts across the state. By then, however, George A. Nelson, the first county extension worker, had been on the job for more than two months. Nelson was appointed as agriculturist for Wahkiakum County December 12, 1912. He was absorbed into the new Bureau. Pioneer extension educators established a philosophy that’s still relevant today: “helping farmers to help themselves.”

Please be aware that the information in these publications may be obsolete;
Contact the Washington State University Extension Service directly to confirm the most up-to-date editions or information.

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  • Buckwheat control in wheat 

    Lyon, Drew J.; Waters, Timothy D. (Pullman, Washington : Washington State University Extension, 2019-01)
    Washington State is a large producer of buckwheat (Fagopyrum esculentum), much of which is exported overseas. Unfortunately, in recent years, some foreign grain buyers have been finding low levels of buckwheat in their ...
  • Field equipment for grain production on modest acreages and diversified farm operations 

    Bramwell, Stephen G., 1978-; Brouwer, Brook O., 1985- (Pullman, Washington : Washington State University Extension, 2019-01)
    This Extension manual provides an introduction to grain production equipment appropriate for small- and medium-scale farmers new to grain growing as well as considerations for sourcing affordable and reliable farming ...
  • Petiole sap nitrate-N quick test for determining nitrogen status of tomato 

    Buajaila, Fairuz; Miles, Carol A. (Pullman, Washington : Washington State University Extension, 2019-01)
    Most vegetable farmers use nitrogen fertilizers to increase crop yield and quality. However, applying more nitrogen than the crop can take up increases production costs and may contribute to environmental pollution. To ...
  • A framework for conducting situation assessments 

    Murphy, Amanda; Page, Chris (Pullman, Washington : Washington State University Extension, 2019-01)
    Extension professionals are increasingly asked to convene communities facing conflict, including complex social, economic, environmental and technological situations. A collaborative process with facilitated problem solving ...
  • 2019 pest management guide for grapes in Washington 

    Black, Carol; Daniels, Catherine H., 1957-; Sosnoskie, Lynn M., 1972-; Miller, Timothy W.; Walsh, Douglas; Zasada, Inga; Moyer, Michelle, 1982-; Rayapati, Naidu; Hoheisel, Gwen-Alyn (Pullman, Washington : Washington State University Extension, 2018-12)
    The Pest Management Guide for Grapes in Washington presents various chemicals and their uses against pest problems in Washington vineyards. While the recommendations are based on eastern Washington conditions, the information ...
  • Pulse on health : garden-based pulse nutrition and biology grade 4 curriculum 

    Smith, Diane K.; Riddle, LeeAnne; Nickerson, Kelly A. (Kelly Atterberry); Kerr, Susan R.; Miles, Carol A. (Pullman, Washington : Washington State University Extension, 2018-12)
    School gardens are a valuable tool for education. A school garden can serve as a biological classroom, where students use all their senses while increasing academic achievement. Students learn by connecting to the earth, ...
  • Proactive approaches for controlling recombinant Potato virus Y strains in Western Washington 

    Inglis, Debbie, 1953-; Benedict, Chris; Gundersen, Babette; Beissinger, Abby, 1989-; McMoran, Donald W. (Pullman, Washington : Washington State University Extension, 2018-12)
    Recombinant strains of Potato virus Y (PVY) were detected in western Washington for the first time in 2012 and 2013. Recombinants can arise naturally when two or more different virus strains co-infect a plant cell. The ...
  • Potato virus Y and organic potatoes in Western Washington 

    McMoran, Donald W.; Benedict, Chris; Inglis, Debbie, 1953- (Pullman, Washington : Washington State University Extension, 2018-12)
    Even though most organic potato fields and home gardens are relatively small in size, they can be viewed as a threat to conventionally managed potato fields because of the perception that they may host uncontrolled diseases ...
  • Growing parsnips in Western Washington 

    McMoran, Donald W.; Seymour, Kate; Gundersen, Charlie (Pullman, Washington : Washington State University Extension, 2018-12)
    Parsnips are a long-season crop that thrive in western Washington. This publication provides basic guidelines for successful parsnip production as well as common problems that parsnip growers in this region face.
  • A roadmap for poplar and willow to provide environmental services and to build the bioeconomy 

    Townsend, Patricia A.; Haider, Nora; Boby, Leslie A.; Heavey, Justin P.; Miller, Todd A.; Volk, Timothy A., ǂd 1963- (Pullman, Washington : Washington State University Extension, 2018-12)
    Poplar (Populus spp.) and willow (Salix spp.) are fast-growing trees and shrubs that can be used for a wide variety of environmental remediation and management purposes as well as provide biomass for bioenergy and bioproducts. ...
  • Cover cropping and companion cropping for the Inland Northwest : an initial feasibility study 

    Roberts, Diana Elizabeth, 1957- (Pullman, Washington : Washington State University Extension, 2018-12)
    Dryland grain farmers in Spokane and Lincoln Counties, Washington, want to improve soil health on their land without compromising income from proven, regional cash crops. This project was an initial feasibility study for ...
  • Willow buffers in agricultural systems : linking bioenergy production and ecosystem services 

    Zumpf, Colleen; Negri, M. Cristina; Quinn, John; Campbell, Patty; Cacho, Jules; Townsend, Patricia A.; Boby, Leslie A. (Pullman, Washington : Washington State University Extension, 2018-11)
    The production and consumption of food, energy, and water are inextricably linked. With agricultural systems contributing high levels of nutrients into ground and surface water systems, agriculture poses both human health ...
  • Shrub willows : an ideal plant choice for living snow fences with multiple benefits 

    Heavey, Justin P.; Volk, Timothy A., ǂd 1963-; Townsend, Patricia A. (Pullman, Washington : Washington State University Extension, 2018-11)
    Blowing and drifting snow on roadways is a challenge in many cold-weather regions, especially those adjacent to large open fields with little or no vegetation or other obstructions to disrupt wind patterns. These areas are ...
  • Potential for a hybrid poplar industry using recycled water : an environmental application of the biocycle farm 

    Haider, Nora; Parker, Nathan; Townsend, Patricia A. (Pullman, Washington : Washington State University Extension, 2018-11)
    In northern Idaho, water quality regulations prevent the discharge of treated wastewater into the Spokane River during summer months when in-stream flow is low. This creates a water surplus challenge for municipal wastewater ...
  • Pacific poison-oak and western poison-ivy : identification and management 

    Edmunds, Brooke; Grand, Lauren; Christiansen, Alicia; Hulting, Andrew Gerald (Pullman, Washington : Washington State University Extension, 2018-11)
    Pacific poison-oak is common in western Oregon and Washington. Its near relative, western poison-ivy, is found in eastern Oregon and Washington, throughout Idaho, and eastward. These plants are so similar in their appearance, ...
  • Poplar for wastewater and biosolids management : an environmental application of the biocycle farm 

    Miller, Todd A.; Townsend, Patricia A.; Boby, Leslie A. (Pullman, Washington : Washington State University Extension, 2018-11)
    Poplar trees are a highly effective wastewater management tool for biosolids application used by the Metropolitan Wastewater Management Commission (MWMC) in Eugene/Springfield, Oregon. The MWMC distributes the bulk of its ...
  • Diversifying Dryland Direct-Seed Systems : Steve and Nate Riggers : Farmer-to-Farmer Case Study Series : Increasing Resilience Among Farmers in the Inland Pacific Northwest 

    Yorgey, Georgine; Borrelli, Kristy; Painter, Kathleen Marie, 1957- (Pullman, Washington : Washington State University Extension, 2018-11)
    Steve and Nate Riggers grow winter and spring wheat on the Camas Prairie in Idaho and have incorporated spring broadleaf crops such as peas, lentils, and canola. They also grow less-common crops like buckwheat, turf grass ...
  • Developing a vegetative cover using shrub willow (Salix spp.) 

    Volk, Timothy A., ǂd 1963-; Heavey, Justin P.; Townsend, Patricia A. (Pullman, Washington : Washington State University Extension, 2018-11)
    Throughout the world, open land adjacent to industrial operations has been used to store byproducts of manufacturing and production processes. To minimize impacts on human health and the environment, these sites have ...
  • Short-rotation coppice system : environmental applications from Northern and Republic of Ireland 

    Johnston, Christopher R.; Townsend, Patricia A.; Boby, Leslie A. (Pullman, Washington : Washington State University Extension, 2018-11)
    The treatment of wastewater in modern wastewater treatment plants (WWTPs) is highly effective. For larger communities, those treating more than one-hundred-thousand gallons of wastewater per day, WWTPs can be efficient and ...
  • Trends in Washington state organic diversified vegetable production 

    Granatstein, David; Brady, Michael; Kirby, Elizabeth; Ostrom, Marcia (Pullman, Washington : Washington State University Extension, 2018-10)
    Organic farming has become a well-established component of U.S. agriculture. Diversified vegetable production was a common production model, and direct marketing was often pursued. Fueled by rising consumer demand for fresh ...

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