Acidifying Soil for Crop Production: Inland Pacific Northwest

Donald A. Horneck, Don Wysocki, Bryan G. Hopkins, John M. Hart and Robert G. Stevens
PNW 599 | Published September 2007, Reviewed 2021


Explains the relationship between high soil pH and nutrient deficiencies in crop plants. Color photos illustrate symptoms of pH-induced nutrient deficiency. Explains the causes of high soil pH and presents step-by-step instructions for lowering pH.

About the authors

Donald A. Horneck
Extension agronomist
Oregon State University
Bryan G. Hopkins
Brigham Young University
John M. Hart
Extension soil scientist
Oregon State University
Robert G. Stevens
Extension soil scientist
Washington State University

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