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How The NHMP Can Help Reduce Nutrient Loading in the Chesapeake Bay Watershed

Learn how NHMP techniques like GPS, machine control, and precision application can curb nutrient loading in the Chesapeake Bay watershed. Explore innovative tools and historical issues addressing overlap, terrain compensation, and input savings. See practical examples from Pennsylvania farms.

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How The NHMP Can Help Reduce Nutrient Loading in the Chesapeake Bay Watershed

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  1. How The NHMP Can Help Reduce Nutrient Loading in the Chesapeake Bay Watershed Brian Macafee Asst. Manager Farm Operations & Services Penn State University

  2. Yield Monitor Data 1998

  3. Yield Monitor Data 2010

  4. OverlapDirect Placement Applicators

  5. OverlapDirect Placement Applicators Full Coverage Half-Width Zero Overlap

  6. Pennsylvania Examples

  7. Machine Control

  8. OverlapSpreader Applicators Product Distribution

  9. Mechanical Marker

  10. Foam Marker

  11. Light Bar(Manual Guidance)

  12. Assisted Steering

  13. Terrain CompensationRoll, Pitch, and Yaw

  14. GPS for AgricultureHistorical Issues in Pennsylvania • Frequent Differential drops • Tree lines • Narrow Valleys • Refresh Rates • Repeatability • Terrain Compensation

  15. GPS for AgricultureToday • GPS + GLONASS • RTK corrections via wireless modem • Better penetration vs. line-of-sight radio • Implement control to reduce overlap/skip • Variable rate application

  16. The Four R’s in Agriculture • Right Source (product) • Right Time • Right Place • Right Rate

  17. Input Savings Using Technology • 10% on average using guidance • 15% - 30% using guidance plus section control

  18. The Wrong Place is the Chesapeake Bay

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