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.”

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Recent Submissions

  • Hugelkultur : what is it, and should it be used in home gardens? 

    Chalker-Scott, Linda (Pullman, Washington : Washington State University Extension, 2017-08)
    Hügelkultur is a German term meaning hillock or mound cultivation. It is a method of building garden and landscape beds using woody material, garden debris, and soil arranged in long, tunnel-shaped mounds. This publication ...
  • 4-H publications and projects 

    Unknown author (Pullman, Washington : Washington State University Extension, 2017-08)
    4-H curriculum is available to everyone. The collection of resources for 4-H experiential learning is constantly expanding. You don’t have to be part of a traditional club to use materials developed for 4-H. 4-H offers a ...
  • Advances in dryland farming in the Inland Pacific Northwest 

    Yorgey, Georgine; Kruger, Chad E. (Pullman, Washington : Washington State University Extension, 2017-07)
    The Pacific Northwest is an important wheat production region. In 2015, the National Agricultural Statistics Service indicated that Washington, Idaho, and Oregon harvested more than 240 million bushels of wheat, worth an ...
  • Protecting your identity 

    Koehler, Christian R. (Pullman, Washington : Washington State University Extension, 2017-07)
    Identity theft is one of the fastest growing white collar crimes. The Bureau of Justice Statistics estimates that 17.6 million persons age 16 or older were victims of identity theft in 2014 based on those surveyed, and ...
  • Preventive controls for human food : an overview 

    Ganjyal, Girish M.; Coles, Claudia G. (Pullman, Washington : Washington State University Extension, 2017-07)
    The safety of the food that we process and serve to the public is very important. Keeping our food safe in the production, packaging, and distribution and until it reaches the consumer is critical. The Food Safety Modernization ...
  • Lady beetles : should we buy them for our gardens? 

    Chalker-Scott, Linda; Bush, Michael R. (Michael Robert), 1962- (Pullman, Washington : Washington State University Extension, 2017-07)
    Lady beetles are a popular biocontrol method for aphids in home gardens and landscapes. Many gardeners purchase these insects at nurseries, garden centers, and online. This publication will discuss the drawbacks to using ...
  • A gardner's primer to Mycorrhizae : understanding how they work and learning how to protect them 

    Chalker-Scott, Linda (Pullman, Washington : Washington State University Extension, 2017-07)
    Mycorrhizae are symbiotic associations between many plants and the beneficial fungi that colonize their roots. Gardeners are often unaware of these relationships and may inadvertently injure or kill the beneficial fungi ...
  • Tobacco rattle virus in peonies : a reference guide for cut flower and rootstock producers 

    Garfinkel, Andrea R.; Steinlage, Todd; Chumley, Janice; Chastagner, Gary A. (Pullman, Washington : Washington State University Extension, 2017-07)
    Tobacco rattle virus (TRV), previously referred to as Peony ringspot virus or Peony mosaic virus, is one of the most widespread viruses of peonies. There have been reports of this virus throughout Asia, Europe, New Zealand, ...
  • Understanding access to capital issues for entrepreneurs through simulations 

    Lane, Trevor C.; Tampien, Jordan K. (Pullman, Washington : Washington State University Extension, 2017-07)
    As more and more digital natives are coming of age, the reality of the effectiveness of and the important need for powering up creativity with short simulations is hinged on the premise of a game because of the impact it ...
  • The field book for dairy manure applicators 

    Bary, Andy I.; Harrison, Joe (Joseph Heywood), 1956-; Sullivan, Dan M. (Dan Matthew), 1954- (Pullman, Washington : Washington State University Extension, 2017-06)
    Field record-keeping is a key part of manure management. It includes: Where manure was applied; How much manure was applied; When manure was applied. Good records help you make the most of your farm’s manure. They give you ...
  • Pale green weevil : Polydrusus impressifrons Gyllenhal (Coleoptera: Curculionidae: Entiminae) 

    Niedbala, John C., Jr., 1967-; Rodstrom, Robert A., 1977-; Brown, John J. (Pullman, Washington : Washington State University Extension, 2017-06)
    Hybrid poplars (Populus spp.) are propagated by inserting 12–15 inch cuttings next to each water emitter in a denuded 160 or 271 acre (65 or 110 hectare) field. The number of stems/hectare depends upon the final product: ...
  • WSU Wilke Research and Extension Farm operation, production, and economic performance for 2016 

    Esser, Aaron D.; Appel, Derek. (Pullman, Washington : Washington State University Extension, 2017-06)
    The WSU Wilke Research and Extension Farm is a 320acre 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 ...
  • Fencing considerations for livestock owners 

    Schmidt, Janet L.; Heitstuman, Mark D. (Pullman, Washington : Washington State University Extension, 2017-06)
    Fencing is an integral part of a livestock or equine operation. It is very important for the safety and welfare of animals and producers. Fencing is a major expense for livestock owners, and takes considerable time and ...
  • Certified organic acreage and sales in Washington State : 2007-2015 

    Granatstein, David.; Kirby, Elizabeth. (Pullman, Washington : Washington State University Extension, 2017-06)
    WSU CSANR has compiled state organic crop acreage statistics since 2004, using certifier data, to provide annual updates containing current, detailed information for use in farm and business planning, decision-making, and ...
  • Washington bumble bees in home yards and gardens 

    Pehling, David; Glass, Jenny R. (Pullman, Washington : Washington State University Extension, 2017-06)
    Bumble bees, with their robust bodies, colorful bands of “fur” and audible “buzz” while in flight are the most well recognized of the native bees in Washington State. Equipped with pollen collecting hairy bodies and “pollen ...
  • Western poplar clearwing moth : Paranthrene robiniae (Hy. Edwards) (Lepidoptera: Sesiidae) 

    Kittelson, Neal T., 1977-; Brown, John J. (Pullman, Washington : Washington State University Extension, 2017-06)
    As a result of Washington State University integrated pest management (IPM) research, all commercially grown poplars in the Pacific Northwest for Forest Stewardship Council (FSC) certified products are now protected by a ...
  • Forest and Western tent caterpillars : Malacosoma disstria Huber and M. californicum pluviale (Dyar) (Lepidoptera: Lasiocampidae) 

    Rodstrom, Robert A., 1977-; Brown, John J. (Pullman, Washington : Washington State University Extension, 2017-06)
    Several web-spinning caterpillar species attack hybrid poplars in eastern Oregon and Washington. In addition to forest and western tent caterpillars, the fall webworm [Hyphantria cunea Drury (Lepidoptera: Erebidae)] is ...
  • Duel-purpose winter canola in the Pacific Northwest : silage production 

    Llewellyn, Donald A.; Fransen, Steven C.; Walker, Ely; Sowers, Karen (Pullman, Washington : Washington State University Extension, 2017-06)
    Winter canola (Brassica napus) is used as a break crop in the primarily cereal grain rotations of the Pacific Northwest (PNW). Research over the last 40 years has largely been focused on grain production. However, renewed ...
  • Fall webworm : Hyphantria cunea Drury (Lepidoptera: Erebidae: Arctiinae) 

    Brown, John J.; Rodstrom, Robert A., 1977- (Pullman, Washington : Washington State University Extension, 2017-06)
    Historically, the fall webworm (Hyphantria cunea) has been a minor pest in hybrid poplar plantations in the Upper Columbia River basin. However, in 2009, H. cunea populations reached unprecedented levels, causing complete ...
  • Speckled green fruitworm : Orthosia hibisci Guenée (Lepidoptera: Noctuidae: Noctuinae) 

    Del Pozo-Valdivia, Alejandro I., 1981-; Brown, John J. (Pullman, Washington : Washington State University Extension, 2017-06)
    We cannot definitely list Orthosia hibisci Guenée as an annual pest of hybrid poplar trees in Oregon and Washington. However, a major defoliation of older trees due to this pest in 2005 lead to an application of diflubenzuron ...

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