Browsing Extension & Experiment Station Communications by Author "Ellsworth, Jason W."

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Managing irrigation water quality for crop production in the Pacific Northwest

Oregon State University. Extension Service; Washington State University. Extension; University of Idaho. Extension; Hopkins, Bryan G.; Horneck, Donald Arthur; Stevens, Robert G.; Ellsworth, Jason W.; Sullivan, Dan M. (Dan Matthew), 1954-; Pacific Northwest Cooperative Extension ([Covallis, Or.] : Oregon State University Extension Service, 2007-08)

This publication focuses on using water analyses to choose appropriate water treatment and water management practices for irrigated agriculture. It will help determine: • What tests are needed to characterize water qua ...
Monitoring soil nutrients using a management unit approach

Oregon State University. Extension Service; Washington State University. Extension; University of Idaho. Extension; Staben, Mary L.; Ellsworth, Jason W.; Sullivan, Dan M. (Dan Matthew), 1954-; Horneck, Donald Arthur; Brown, Bradford D.; Stevens, Robert G.; Pacific Northwest Cooperative Extension ([Covallis, Or.] : Oregon State University Extension Service, 2003-10)

This publication focuses on how to design a soil nutrient monitoring strategy that fits today’s requirements for record keeping and increased accuracy in managing nitrogen (N), phosphorus (P), and other nutrients. We adv ...