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| Figure 1. Dr. McGrath demonstrating variable rate nitrogen application in corn using GreenSeeker Sensors to Lynne Hoot, executive director of the Maryland Grain Producers Utilization Board. |
Dr. McGrath’s research and Extension program in Maryland focused on agricultural productivity and environmental quality as they relate to soil fertility, nutrient management, and water quality. He has conducted research and Extension programming on enhanced efficiency fertilizers, phosphorus management to protect water quality, sulfur fertility, in-situ treatment of agricultural drainage to remove phosphorus and nitrogen; precision agriculture and variable rate nutrient management; and manure management in no-till.
