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OFPE 2024
   
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ANNOUNCEMENT: CEU'S CERTIFIED FOR 11.5 HOURS FOR CROP CONSULTANTS 1/8 & 1/9 ONLY

Here are some of the organizations that are sending precision ag technology
advisors to ICOFPE 2024!:

Aurora Cooperative (Nebraska and Kansas) - Co-Alliance Cooperative (Indiana and
Michigan) - Crystal Valley Cooperative (Minnesota) - Frontier Cooperative
(Nebraska) - Westco Cooperative (Nebraska and Wyoming) - The McGregor Company
(Washington, Idaho and Oregon - Inland Agricultural Development & Outreach
(Washington)

   
   
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THE INTERNATIONAL CONFERENCE FOR ON-FARM PRECISION EXPERIMENTATION

THANK YOU FOR ATTENDING ICOFPE 2024 IN SOUTH PADRE ISLAND, TEXAS!

View Conference Photos

Since 2016, DIFM has worked with hundreds of farmers on three continents and in
over twenty U.S. states, running on-farm precision experiments (OFPEs) to
examine the effects changing fertilization, planting, and other input
application rates on the yield and protein outputs of numerous crops, including
corn, wheat, barley, canola, soybeans and cotton.  The figure below presents an
example of an OFPE “trial design” that was implemented on a 71-acre Ohio, USA
field in 2022.  (The entire report sent to the farmer (with all identifying
names redacted) can be found here.)  The farmer’s “status quo” application
strategy (that is, the one the farmer would have used had there been no field
trial conducted) was to apply a base N rate of 5 lbs uniformly across the field,
then to follow that up with rate of 48 gallons/ac of UAN28/ATS, which in total
would apply an N-equivalent of 5 + 48*2.822 = 140 lbs/ac. The status quo rate
was assigned to a buffer zone around the perimeter of the trial, but
observations from the buffer zone were not included as part of the trial in
later analysis. The trial design’s targeted total UAN28/ATS and N-equivalent
rates were 15, 33, 48, 69, and 86 gallons (47, 98, 140, 200, and 248 lbs)per
acre.

The farmer was able to implement the trial design on his field by uploading the
trial design “prescription” as a shapefile into his variable-rate applicator,
and just driving.  That is, putting this trial in the ground was no more
difficult for him than was his usual practice of applying N variably across his
field using a commercial variable rate application “prescription.”

Figure.  Nitrogen application rate trial conducted on an 71-acre Ohio, USA field
in 2022.

 


ICOFPE CONFERENCE FLYERS

Feel free to print these conference flyers to help publicize ICOFPE.

English (pdf)Español (pdf)


OFPE VIDEOS


   
 * Putting a Corn Seed Rate Trial in the Ground
   
   

 * Trial Design from As-planted Data
   
   

 * Geographically Weighted Regression Animation
   
   

 * Soy Seed Rate Trial Harvest
   
   

   

Colleges & Universities with DIFM-affiliated faculty


   
   
   
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Special Thanks


CONFERENCE AND DIFM SPONSORS




GOVERNMENT SPONSORS

   
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