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2014 PFR Partners<br />

BECK’S OptRx ® Variable Rate Nitrogen<br />

OptRx crop sensors measure and record plant health data in real-time using reflectance<br />

of light shone on growing corn plants. Sensors can be installed across an application<br />

boom to collect information while sidedressing nitrogen. Data is logged and mapped to<br />

be used for analysis for real-time variable rate applications. OptRx sensors help<br />

growers apply nitrogen based on crop vigor. For example, the sensor tells the applicator<br />

to apply less nitrogen on healthy corn plants and more nitrogen on weaker, nitrogen<br />

deficient corn plants, according to a calibration specific to that field. In addition, OptRx’s<br />

advanced light-sensing technology is not dependent on ambient light, which offers<br />

maximum flexibility for use both day and night.<br />

The protocol for the 2014 OptRx trials consisted of growers reducing their normal<br />

nitrogen rate by 50 lb. N/A. and then implementing the OptRx system to apply variable<br />

rate nitrogen as a way to finish their overall nitrogen program.<br />

Hagie STS10 with nitrogen toolbar equipped with OptRx sensors.<br />

OptRx ® is a registered trademark of Ag Leader Technology<br />

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