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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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Newsletters, Washington State University Extension
This collection contains newsletters produced by WSU Extension centers.
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Publications, Washington State University Extension
This collection contains publications by WSU Extension.
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Growing barley in western Washington
(Pullman, Washington : Washington State University Extension, 2021-03)Barley (Hordeum vulgare L.) is a versatile, low-input grain which is grown as a part of diverse western Washington cropping systems. Due to the generally high rainfall and moderate temperatures in western Washington, yields ... -
Integrated management of jointed goatgrass in the Pacific Northwest
(Pullman, Washington : Washington State University Extension, 2021-03)Jointed goatgrass is a weed that competes with wheat, resulting in reduced yield and increased grain dockage. Managing jointed goatgrass in winter wheat requires a systems approach that integrates multiple control tactics, ... -
Jointed goatgrass best management practices (BMP) Intermountain region
(Pullman, Washington : Washington State University Extension, 2021-03)Jointed goatgrass (Aegilops cylindrica) is an annual invasive grass weed that infests winter wheat fields in the western United States, resulting in reduced wheat yield and quality. Native to southern Europe and Russia, ... -
2019 cost estimates of establishing, producing, and packing Gala apples in Washington
(Pullman, Washington : Washington State University Extension, 2021-03)The results presented in this WSU publication serve as a general guide for evaluating the feasibility of producing Gala apples in Washington as of 2019. This publication is not intended to be a definitive guide to production ... -
Fruit pie fillings for home canning
(Pullman, Washington : Washington State University Extension, 2021-03)Home canned fruit pie fillings make it easy to prepare delicious pies and dessert all year long. The recipes in this publication have been specifically developed for home canning and, when followed, will produce a product ... -
Jointed goatgrass : best management practices central Great Plains
(Pullman, Washington : Washington State University Extension, 2021-03)Jointed goatgrass is a winter annual grass weed that competes with wheat, resulting in reduced yield and increased grain dockage. Managing jointed goatgrass in winter wheat requires a systems approach that integrates ... -
2021 pest management guide for grapes in Washington
(Pullman, Washington : Washington State University Extension, 2021-02)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 ... -
Pollinators in canola in the Inland Pacific Northwest
(Pullman, Washington : Washington State University Extension, 2021-02)Pollinators contribute widely to the growth and productivity of crops worldwide. Due to habitat loss, reduced food availability, increased parasite and pathogen pressure, and increased exposure to environmental toxins, ... -
Growing quinoa in Washington State
(Pullman, Washington : Washington State University Extension, 2021-02)Quinoa (Chenopodium quinoa Willd.) is gaining popularity as a relatively new crop for Washington State. It has been cultivated for thousands of years around its center of origin in South America, but recently has gained ... -
Jointed Goatgrass ecology
(Pullman, Washington : Washington State University Extension, 2021-02)Jointed goatgrass management in winter wheat has been difficult because the genetics and growth patterns of these two species are similar. Knowledge of jointed goatgrass growth characteristics can help producers select ... -
Davenport living snow fence demonstration : fifteen-year survival and growth update
(Pullman, Washington : Washington State University Extension, 2021-02)This Washington State University publication discusses the Davenport Living Snow Fence, a dryland Rocky Mountain juniper (Juniperus scopulorum) demonstration project planted in 2003, and provides data on tree growth and ... -
Integrated management of prickly lettuce in wheat production systems
(Pullman, Washington : Washington State University Extension, 2021-02)Prickly lettuce (Lactuca serriola L.) is a common weed in wheat production systems throughout the Inland Pacific Northwest (PNW). It is an annual, winter annual, or occasionally a biennial, that reproduces only by seed. ... -
Jointed goatgrass genetics
(Pullman, Washington : Washington State University Extension, 2021-02)Jointed goatgrass (Aegilops cylindrica) is a weed that causes serious problems in winter wheat fields in the western United States. Jointed goatgrass and wheat have a close genetic relationship and share many traits. To ... -
Food safety considerations for postharvest washing of produce and sanitation of packing areas
(Pullman, Washington : Washington State University Extension, 2021-02)Many food safety issues that occur in postharvest unit operations are associated with: 1. Cross contamination between contaminated and uncontaminated produce during washing, or 2. Improper cleaning and disinfection of ... -
Testing agricultural water for fruit and vegetable production and postharvest handling
(Pullman, Washington : Washington State University Extension, 2021-02)Water is used throughout fruit and vegetable production and postharvest handling for cooling, frost protection, irrigation, fertigation, protective sprays, handwashing, washing produce, as well as cleaning and disinfecting ... -
4-H treasurer's handbook leader guide
(Pullman, Washington : Washington State University Extension, 2021-01)Fund development is crucial to WSU Extension programming and, especially, to the 4-H Youth Development club delivery model. Lack of an effective and efficient approach to educating members on proper methods of accruing, ... -
Six steps to calibrate and optimize airblast sprayers for orchards and vineyards
(Pullman, Washington : Washington State University Extension, 2021-01)The goal for all pesticide applications should be to get every drop to the crop. Calibration ensures that the appropriate product rate is applied by the sprayer, while optimization ensures that the product is delivered ... -
Financial analysis principles and applications for private forest lands
(Pullman, Washington : Washington State University Extension, 2021-01)There are many reasons for owning forestland. Some are financial, such as generating income from timber harvest or a real estate sale after long-term investment. Others are not financial, such as aesthetics, recreation, ... -
Biodiesel in the Pacific Northwest
(Pullman, Washington : Washington State University Extension, 2021-01)This publication presents background about biodiesel fuel and discusses its role in the Pacific Northwest (PNW), including relevant policies, usage, feedstock sources, and production. Biodiesel is an alternative to ... -
Field and hedge bindweed : identification and biological control
(Pullman, Washington : Washington State University Extension, 2021-01)Field bindweed (Convolvulus arvensis) and hedge bindweed (Calystegia sepium) are similar-looking, weedy vines problematic in North America. Field bindweed is native to Europe and Asia and was introduced to the United States ...