Resources

pH Puzzle: Understanding and Combatting Soil Acidification - Yara's Crop Nutrition Podcast episode - Clain Jones joins Dr. Rob Mikkelsen, Director of Agronomic Services at Yara, and Dr. Manbir Rakkar, Assistant Professor at Ohio State University, to discuss the significance of soil pH changes.

Acidification of Cropland Soil: Impact, Causes and Solutions video - Overview of issue and MSU research-based actions to take. June 2020

The Importance of Soil pH podcast episode with Dr. Larry Oldham and Dr. Clain Jones

Lime management to increase soil pH in semi-arid regions of the U.S. Crops & Soils, American Society of Agronomy, January 2024
Soil acidification in the semiarid regions of North America's Great Plains. March/April 2019 Crops & Soils is open-access to all readers and available for 0.5 CEU in Nutrient Management for CCAs. Contact us for pdf version.
Soil Acidification: An Emerging Problem in Montana, Fertilizer eFact No. 78
Soil Acidification: Mitigating Yield Loss with Seed-placed P Fertilizer and Aglime, Fertilizer eFact No. 79
Soil Acidification: Remediation with Sugar Beet Lime, Fertilizer eFact No. 80
The Soil Scoop Soil Acidification: Management
The Soil Scoop Soil Acidification: Problems, Causes, & Testing
Troubling soil acidity levels in Montana ag. lands MSU Press release July 2018
Crop and Fertilizer Management Practices to Minimize Nitrate Leaching (MT201103AG)
Minimizing Nitrate Leaching from Cropland (EB0226)
Soil pH and Organic Matter (4449-8)
Soil Sampling and Laboratory Selection (4449-1)
Soil Sampling Strategies (MT200803AG)

A list of past presentations on soil acidification is listed on our Presentations webpage.

Soil Acidification of Cultivated Fields in Semiarid Montana: Adaptation and Challenges to Remediation. WSU Farmers Network Webinar. April 2020. By Rick Engel, on his MT research.
To lime or not: why and how. WSU free Farmers Webinar. March 2020.
A brief video interview with Clain of how pulse crops can help reduce soil acidification (US Dry Pea and Lentil Council Jan 2020).
N Fertilizer Rate and Soil Acidification NE MT Winter Series. Feb 26-29, 2019, Recorded version
Soil Fertility, Testing, Amending (recording) Pondera Co. Master Farmer. Jan 31, 2019
Soil Acidification: Causes, impacts, and solutions in the western US. youtube WERA-103 presentation. Summer 2018
Clain Jones interview with Russell Nemetz from Northern Ag Network. May 2018. Causes and management options
Interview with Rachel Cramer, Yellowstone Public Radio (go to around minute 10 of the program)
The Ins and Outs of Soil pH and Buffer pH Testing. by Dr. Amber Moore, Oregon State University and WERA-103

Acidifying Soil for Crop Production: Inland Pacific Northwest. Pacific Northwest Extension Publication PNW 599-E. Oregon State University
Applying Lime to Raise Soil pH for Crop Production (Western Oregon). Oregon State University Extension EM 9057.
Eastern Oregon Liming Guide. Oregon State University Extension EM 9060
Management Strategies to Reduce the Rate of Soil Acidification. University of Nebraska Extension NebGuide G1503
Soil Acidity in Oregon: Understanding and Using Concepts for Crop Production. Oregon State University Extension EM9061
Washington State University – assorted lime fact sheets, scroll down to find the Soil pH & Liming section http://smallgrains.wsu.edu/soil-and-water-resources/publications/

Soil Acidification: Resources