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Iowa Daily Erosion Project (Version 1)

This project is a collaboration of scientists at Iowa State University, National Soil Erosion Research Lab, National Laboratory for Agriculture and the Environment, and The University of Iowa. The aim is to produce daily estimates of rainfall, runoff, and soil erosion for the state of Iowa. Our work is sponsored by Department of Agronomy's Path to the Future endowment.

Cover Crop Seeding Rate Calculator

Another new tool can be used similarly as the Cost Calculator to find out seeding rates for several varieties of single species cover crops and for mixes too. To use the Seeding Rate Calculator, download and open the Excel file (Microsoft Excel software must be installed on your computer in order to use the file). You can enter data into any yellow shaded box to compute seeding rates for cover crop plots.

Cover Crop Cost Calculator

Iowa Learning Farms has created a cover crop cost calculator tool to help calculate and compare the cost of drilling or aerial seeding cover crops. The downloadable Excel file calculates the total cost of using the cover crop including seed, application, and chemical termination. You can use the calculator for a single cover crop species or up to six species to a mixture.

Corn Nitrogen Rate Calculator

Finding the Maximum Return To N and Most Profitable N Rate - A Regional (Corn Belt) Approach to Nitrogen Rate Guidelines - This web site provides a process to calculate economic return to N application with different nitrogen and corn prices and to find profitable N rates directly from recent N rate research data. The method used follows a newly developed regional approach for determining corn N rate guidelines that is being implemented in several Corn Belt states.