LRES Seminar Series with Rick Engel
- Monday, March 9, 2020 at 1:10pm
- Leon Johnson Hall, 346- Annex - view map
Soil acidification in Montana: An emerging problem or pHake news?
Dr. Rick Engel will present "Soil acidification in Montana: An emerging problem or pHake news?" during our departmental seminar series on Monday, March 9th at 1:10 PM in Leon Johnson Hall, Rm. 346- Annex.
In recent years farmers in Montana have been experiencing crop growth reductions as a result of soil acidification and Al toxicity. Historically, acidification was not a problem in Montana because the calcareous parent material resulted in neutral to alkaline soil pH. However, fertilizer ammonium‐N use (including urea) by farmers has grown tremendously in recent decades and is now three‐fold greater than in 1985. The application of fertilizer-N has led to a downward trend in soil pH that has resulted in complete crop failure in portions of some fields, and which has drawn the attention of ag-scientists, Extension agents, crop consultants, and farmers. The goal of this presentation will be to discuss results from on‐farm field surveys, soil pH remediation efforts with sugar beet lime applications, fertilizer P application studies, observations from on-farm crop cultivar studies in Chouteau County, and potential implications to cropland management in Montana.
- Department of Land Resources and Environmental Sciences