What level of pass-to-pass accuracy do you need for your operation?
Consolidated analysis of 22 studies conducted between 1993 and 2015 show that based upon 200 Bu corn, yield can increase 24 Bu/Ac by placing Nitrogen within 6 inches of the row. If you want to achieve these levels of accuracy on each pass through the field, you need not only the right equipment and farming practices, but also high levels of accuracy for seed and nutrient placement.
STEP 2 OF 5: REPEATABILITY
Do you require repeatability for guidance lines, coverage, or boundaries?
Repeatability means that you can come back to the same guidance lines, boundaries, and coverage maps that you used earlier in the season or maybe even last year. This can be important in operations that perform multiple passes through the field throughout the growing season such as strip till, planting, side-dressing, and post-emerge spraying.
STEP 3 OF 5: RTK
STEP 4 OF 5: WAIT TIME
How long are you willing to wait for full accuracy/repeatability?
GPS receivers often take time to pull-in, or converge, to full accuracy after startup or after operating in shaded conditions. This means you may need to wait for the receiver to achieve a pull-in when starting jobs that require full accuracy such as planting and nutrient application.
STEP 5 OF 5: VERTICAL ACCURACY
Do you need vertical accuracy for anything you do on your operation?
If you are doing any land forming operations on your ground using John Deere iGrade, vertical accuracy is crucial to getting the results you need.
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