New technology improves yield monitoring accuracy

• Load after load, pass after pass, you get yield data you can trust.

Yield monitors are meant to give you information you can use to make sound decisions on hybrids and field management zones, but they often lack the accuracy needed to make the best decisions.

That’s according to Doug Sauder, Project Manager for Precision Planting. “Our new YieldSense system changes that,” he says.

“It changes the way grain flow is measured, with a sensor and paddle that eliminate the variations of current yield monitor technology. Current systems tend to over-report yield at low flow rates and under-report at high flow rates. So, on average, they can be close. But that isn’t good enough when you are making decisions on variable rate crop plans or hybrid selection.”

In addition, Sauder says, YieldSense needs no calibration to maintain its accuracy. Sauder notes. “Load after load, pass after pass, you get yield data you can trust. Our testing has shown that even the most diligent calibration program doesn’t improve accuracy over multiple loads. We have developed a system that locks in accuracy without calibration.”

Testing by Precision Planting reveals that, while reported field totals from current systems may be within a few percent of elevator measurement, they’re off by 4 percent or more on about half of individual loads. “That’s not good enough to make critical decisions about hybrids and yield management zones,” says Sauder. “YieldSense achieves that accuracy, or better, 9 times out of 10, without calibration.”

YieldSense works with the 20/20 SeedSense monitor. It includes a new flow sensor, elevator chain and paddle. Adding the FieldView app to an iPad delivers high-definition mapping.

YieldSense works with corn, soybeans and wheat. It is compatible with John Deere 50/60/70/S Series combines, and requires a CAN-based moisture sensor for operation.

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