Iowa Nitrogen Initiative unveils decision-making tool for more informed fertilizer use on the farm.

The new online nitrogen fertilizer application consultation tool (N-FACT) that helps Iowa farmers make informed nutrient application decisions during the growing season was unveiled at the Iowa Ag Expo last week in Des Moines.

Launched by the Iowa Nitrogen Initiative (INI) and led by Iowa State University (ISU) in partnership with multiple public and private organizations, the tool factors in various field-level production variables and recommends an optimum nitrogen application rate. The goal is to help farmers balance productivity, environmental stewardship and input costs.

Iowa farmers can explore on-farm rate trials online, input key data to determine their optimum nitrogen rate and compare scenarios if conditions change. 

The N-FACT tool leverages thousands of data points from hundreds of field trials, which include factors such as ...