The maps below show trial locations for corn, winter wheat or durum wheat, and spring wheat. The trial locations have been superimposed over the Technology Extrapolation Domains (TED) Framework. The TED Framework is described further on the AGROTAIN® and TED Framework page.
An intensive and extensive review of the literature was completed to assess the effectiveness of AGROTAIN® to increase the yield of corn and wheat. All the research was completed on small plots.
In corn, the average yield increase measured for AGROTAIN® when AGROTAIN®-treated granular urea or liquid urea ammonia nitrate (UAN) was compared with non-treated urea or UAN was 10 bushels/acre, with a 95% confidence interval of 7 to 13 bu/acre.
The average wheat yield increase measured for AGROTAIN® when AGROTAIN®-treated granular urea or liquid urea ammonia nitrate (UAN) was compared with non-treated urea or UAN was 3 bushels/acre, with a 95% chance of obtaining a yield increase of 1 to 5 bu/acre. Notably, these results were not uniform across types of wheat. Most notably one study of Durum wheat found a large increase in seed yield when urea was treated with AGROTAIN®.