Helpful Links
Montana
North Dakota
South Dakota
Western Canada
The Excel calculators were developed by Dr. Rigas Karamanos. Inquiries about the calculators should be directed to Dr. Karamanos: rkgeoponica@gmail.com
- Yield Potential Calculator based on Stored Soil Water
- Nitrogen ROI Calculator for Western Canada – Black Soil Zone
- Nitrogen ROI Calculator for Western Canada – Dark Brown Soil Zone
- Nitrogen ROI Calculator for Western Canada – Brown Soil Zone
- Phosphorus ROI Calculator for Western Canada
- Copper ROI Calculator for Western Canada