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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    This collection contains publications by WSU Extension.

Recent Submissions

  • Wheat straw pulping by-product mixed with lime may address soil acidification in no-till fields 

    Tao, Haiying; Pan, William L.; Carter, Paul (Pullman, Washington : Washington State University Extension, 2019-11)
    Soil acidification has become a growing concern for dryland crop production in the Pacific Northwest (PNW). Many no-till (NT) soils have stratified soil pH in the fertilizer application zone due to repeated nitrogen (N) ...
  • Season-long management of late blight on potato and tomato in Western Washington 

    Inglis, Debbie, 1953-; Gundersen, Babette (Pullman, Washington : Washington State University Extension, 2019-11)
    Late blight is a historically famous plant disease that can be very serious in western Washington. It affects potatoes and tomatoes and certain nursery plants and weeds in the Solanaceae (potato family). The disease is ...
  • Harvest weed seed control : applications for PNW wheat production systems 

    Lyon, Drew J.; Walsh, Michael J.; Barroso, Judit; Campbell, Joan M. (Pullman, Washington : Washington State University Extension, 2019-11)
    Herbicide resistance is of growing concern to wheat growers in the Pacific Northwest (PNW). Harvest weed seed control (HWSC) is an innovative, non-chemical approach developed in Australia that takes advantage of seed ...
  • Water quality risk assessment for grazing areas 

    Hudson, Tipton D. (Pullman, Washington : Washington State University Extension, 2019-11)
    The purpose of this publication is to help livestock managers and landowners assess risk of water quality pollution in streams associated with grazing areas and design grazing management changes to improve riparian health. ...
  • Nitrogen inhibitors : how do they work to reduce N losses? 

    Tao, Haiying; Rogers, Christopher W. (Pullman, Washington : Washington State University Extension, 2019-11)
    Applying nitrogen (N) fertilizer at the exact time of need is often operationally unrealistic for wheat and barley growers in Washington. Instead, N is commonly applied early, before its rapid uptake by plants. However, ...
  • Elaboración segura del queso fresco 

    Powers-Hammond, Lizann (Pullman, Washington : Washington State University Extension, 2019-11)
    El queso fresco es un tipo de queso blanco y desmenuzable que desde hace muchas generaciones elaboran las familias latinoamericanas. Tradicionalmente, el queso fresco se prepara con leche fresca sin pasteurizar (la ...
  • Fresh cheese made safely 

    Powers-Hammond, Lizann (Pullman, Washington : Washington State University Extension, 2019-11)
    Queso fresco is a fresh, crumbly white cheese that has been made for generations by Latin-American families. Traditionally, queso fresco is prepared with fresh dairy milk that has not been pasteurized (heat treated). ...
  • Assessing and managing cold damage in Washington vineyards 

    Moyer, Michelle, 1982-; Mills, Lynn J.; Hoheisel, Gwen-Alyn; Keller, Markus, (horticulturist) (Pullman, Washington : Washington State University Extension, 2019-10)
    During the winter, grapevine varieties require some degree and duration of low temperature exposure in order to fulfill plant chilling requirements. Adequate chilling is critical to uniform and timely budbreak the following ...
  • Grazing managerment that achieves multiple-use goals : Russ Stingley 

    Hudson, Tipton D.; Hall, Sonia A.; Neibergs, J. Shannon; Yorgey, Georgine; Reeves, Matthew (Pullman, Washington : Washington State University Extension, 2019-10)
    Russ Stingley runs a cow-calf operation in Kittitas, Washington, with his three sons and his daughter. The Stingleys lease rangeland from Puget Sound Energy (PSE) and the Washington Department of Fish and Wildlife (WDFW), ...
  • WSU Wilke Research and Extension Farm operation, production, and economic performance for 2018 

    Esser, Aaron D.; Appel, Derek (Pullman, Washington : Washington State University Extension, 2019-10)
    The WSU Wilke Research and Extension Farm is a 320-acre facility located on the eastern edge of Davenport, WA, and is split (north and south) by State Highway 2. Washington State University maintains and operates this ...
  • Pseudomonas diseases on cucurbits in Western Washington 

    Tymon, Lydia S., 1972-; Inglis, Debbie, 1953- (Pullman, Washington : Washington State University Extension, 2019-10)
    Cucurbits are well-suited for the maritime climate in western Washington and are considered high value specialty crops. For example, the most recent USDA NASS census data for pumpkins grown in Washington show that 398,000 ...
  • Values for circle keepers 

    Wallace, Michael (Michael L.) (Pullman, Washington : Washington State University Extension, 2019-10)
    Traditional circle practices (also known as council circles or talking circles) may be interpreted as representing some of humankind’s earliest approaches to community health and human interaction. Modern circle practices ...
  • Hessian fly management in wheat 

    Whaley, Dale K. (Pullman, Washington : Washington State University Extension, 2019-09)
    The Hessian fly Mayetiola destructor, is considered one of the oldest and most damaging insect pests to wheat (Triticum spp. L.). Originally from Asia, it is believed to have been introduced in straw bedding used by Hessian ...
  • 4-H Focus, September 2019 

    WSU Yakima County Extension (2019-09)
  • Kittitas County 4-H Focus, August-September 2019 

    WSU Kittitas County Extension (2019-09)
  • Klickitat Clover Report, September 2019 

    WSU Klickitat County Extension (2019-09)
  • Clover Report, September 2019 

    WSU Skamania County Extension (2019-09)
  • Modeling environmental change : scenarios in the Washington water supply and demand forecast 

    Allen, Elizabeth; Hall, Sonia A.; Adam, Jennifer C.; Brady, Michael P.; Barber, Michael E.; Stockle, Claudio O.; Barik, Muhammad; Yorgey, Georgine; Rajagopalan, Kirti; Kruger, Chad E. (Pullman, Washington : Washington State University Extension, 2019-09)
    This publication introduces policy makers and natural resource managers to the use of scenarios in environmental modeling. Managers increasingly recognize that the climate is changing and that those changes pose a threat ...
  • The efficacy and environmental consequences of kelp-based garden products 

    Chalker-Scott, Linda (Pullman, Washington : Washington State University Extension, 2019-09)
    Processed seaweeds, especially kelps, are heavily marketed to gardeners as biostimulants, fertilizers, soil conditioners, disease suppressants, and environmental stress reducers. This publication reviews the published ...

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