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A farmer's hands using a Nutrient ROI Calculator tool.

eKonomics News Team

As farmers are thinking about fertilizer purchasing decisions, eKonomics has a number of great tools and resources that can help. Dr. Robert Mullen, Ph.D., CCA, CPAg, demonstrates how the Nutrient ROI Calculator, Growing Degrees Calculator, and Nutrient Removal Calculator work. These free tools use science to help take some of the guesswork out of farming’s most important business decisions.