Adapt-N Research Findings

Adapt-N History
  • 1970s – early 2000s: field research on space-time aspects of N response
  • 1980s – early 2000s: initial software model development
  • 2008 – 2013: Adapt-N prototype tool available as free web interface, supported by grant funding
  • 2011 – 2017: extensive field testing in the Corn Belt and the Northeast, and model revisions through on-farm trials
  • 2013 – 2017: Adapt-N exclusively licensed and commercialized through Agronomic Technology Corporation, an independent agritech company.
  • 2017: Norwegian fertilizer company Yara acquired ATC and the Adapt-N products
Required Data Inputs for Adapt-N Model
  • field boundaries (can be selected on a map, uploaded via Shapefile, or integrated via API)
  • cultivar, maturity class, expected harvest population, planting date
  • expected yield, N fertilizer applied (rate, timing, placement and source)
  • enhanced efficiency fertilizer used
  • soil type
  • rooting depth
  • field slope
  • % SOM
  • tillage type
  • % residue
  • manure applied (rate, when, analysis, method – surface or incorporated)
  • forage-sod crops in rotation
  • % legume in sod
  • method & timing of forage-sod management
  • prior crops
Reports Associated with Summary Trial Data

To view the results for Adapt-N from individual trials conducted by NutrientStar in 2017, click here.

To view a report of Adapt-N trials conducted by NutrientStar in 2016, click here.

To view a description of the 2017 field trial execution methodology for Adapt N, click here.

To view a report of Adapt-N trials conducted in Iowa and New York from 2011-2014, click here. For data supplement 1, click here. For data supplement 2, click here.

To view a report of Adapt-N trials conducted in New York from 2011-2015, click here. For data supplement, click here.