1. Identify Sampling Errors

See Sampling Errors For:

When comparing various sampling methods, the images above show that hand probes, hydraulic probes, and augers all had several samples that differed significantly from the check trial. Some of ROGO’s samples had some small differences, but no major errors.

2. Count Moderate & Severe Errors

Across All Measurements, 25% of Hand Probe Samples Had Moderate or Severe Error

3. Improving Fertilizer Recommendations

  • When writing fertilizer recs, 1/2 of the errors cause samples to be “over-fertilized,” and 1/2 cause samples to be “under-fertilized” 
  • Correcting this error improves the yield potential on the samples that would have been “under-fertilized,” or 1/2 of the samples with error

Conclusion:

Switching to ROGO from hand probes can improve yield potential on 12% of acres

Acres with
Moderate & Severe Errors

Acres Where Yield Potential Improves
When You Switch to ROGO

ROGO

0%

N/A

Hand Sampling

25%

12%

Auger

29%

14%

Hydraulic Probe

46%

23%

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