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College of Food, Agricultural, and Environmental Sciences


OSU Soil Organic Matter Calculator

OSU Soil Organic Matter (SOM) Calculator 

Predicts the soil organic matter in a field in response to cropping pattern, tillage, manure application, erosion, cover crops and stover removal.

(Click the thumbnails below to enlarge the images.)

Demonstration Videos





More Information

1. Overview

2. Demonstration PowerPoint


Download the Tool

The SOM Calculator is temporarily unavailable. Please contact Vinayak Shedekar ( for more information.