In Montana and elsewhere in the western United States and Canada, acidity is a problem that is affecting soil quality and the environmental, economic, and social sustainability of agriculture production systems. Watch our video Acidification of Cropland Soil: Impact, Causes, and Solutions for an overview of the issue and MSU suggested actions.

SEARCH Clain's websites


Soil pH test results reveal that Montana's agricultural fields are becoming more acidic.


Measure & Manage

Tools to determine if low pH is a problem, steps to take for remediation and prevention, and low pH tolerant species lists


MSU Research

Funded by Fertilizer Check-Off and USDA, study results for liming rates, seed placed P, and other regionally suitable options


MSU publications and presentations, and links to other states' resources on soil acidification

Upcoming Events


  • none planned at the moment