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Interactions between T-22 and Nitrogen on Corn Yields:
T-22 protects plant roots from fungal disease resulting in a heathier root system. T-22 also increases root mass, even with low disease pressure. Plus it forms a symbiotic relationship with the roots which allow them to solubilize and uptake more nutrients.
The combination of these attributes results in higher nitrogen efficiency. In other words, nitrogen rates can be reduced without lowering yields.
Eight university studies have been conducted in the last 4 years to determine how much nitrogen rates can be reduced when using T-22. Here are the results:
The above graph illustrates the summary of results from the 3 year study done at Cornell University in New York. All the trials were performed on the same fields for all 3 years. The 2000 yield results are listed below:
In 2001, University of Illinois conducted a similar N rate trial. Below is a graph and numerical results:
2 trials were performed by Purdue University in 2001. The first was done at the ARC. The graph and results follow:
The second Purdue trial was performed at the PPAC:
Arise Research and Discovery in Martinville, Illinois compared yields at two nitrogen rates in 2001. At the 130# rate, T-22 showed a significant yield increase. Here is the graph:
2001 University of Minnesota nitrogen trial results are below:
Summary
In the Cornell study, T-22 reduced nitrogen requirement by 80 pounds per acre without a yield reduction (160# vs 240#). Cost savings of $11/acre!
In the University of Illinois study, T-22 reduced nitrogen requirement by 40 pounds per acre without a yield reduction (120# vs 160#). Cost savings of $4.50 per acre!
T-22 increased yield in 20 of the 28 trials listed above (71%).
T-22 increased yield by an average of +3.8 bushel/acre in these trials. Profit increase of $5.71/acre!
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