290 likes | 293 Views
How The NHMP Can Help Reduce Nutrient Loading in the Chesapeake Bay Watershed. Brian Macafee Asst. Manager Farm Operations & Services Penn State University. Yield Monitor Data 1998. Yield Monitor Data 2010. Overlap Direct Placement Applicators. Overlap Direct Placement Applicators.
E N D
How The NHMP Can Help Reduce Nutrient Loading in the Chesapeake Bay Watershed Brian Macafee Asst. Manager Farm Operations & Services Penn State University
OverlapDirect Placement Applicators Full Coverage Half-Width Zero Overlap
OverlapSpreader Applicators Product Distribution
GPS for AgricultureHistorical Issues in Pennsylvania • Frequent Differential drops • Tree lines • Narrow Valleys • Refresh Rates • Repeatability • Terrain Compensation
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
The Four R’s in Agriculture • Right Source (product) • Right Time • Right Place • Right Rate
Input Savings Using Technology • 10% on average using guidance • 15% - 30% using guidance plus section control
The Wrong Place is the Chesapeake Bay