In-season Adaptive Nitrogen Management Tools for Corn
Webinar Details
When:
Aug 24, 2011 2:00 pm US/Eastern
Length: 01:24 (hh:mm)
Advance Registration NOT required.
View now on-demand.
Reviewed for Continued Content Relevance: 08/2016
Presenter(s):
- Harold van Es, Ph.D., Professor, Department of Crop and Soil Sciences, Cornell University, Ithaca, NY
CEU Credits/Certificate Offered:
- Certificate of Participation
- Conservation Planner (CP) - 1 hour Conservation Planning Credit
Virtual Event Format:
Group Viewing Available:
Participants in this webinar learn about the effects of weather on nitrogen availability and optimum application rates for corn, and tools that can be used to adaptively guide in-season nitrogen application to meet production needs.
Economic and environmental concerns associated with nitrogen use in corn include high amounts of nitrogen applied, very low plant use efficiency, nitrate leaching into groundwater, hypoxia/anoxia in estuaries, and greenhouse gas emissions. Recent research suggests little consistent progress since 1980 in reducing riverine nitrate in the Mississippi River Basin. This webinar focuses on implementation of an adaptive nitrogen management approach for corn production, and discusses appropriate tools. The specific focus is on the Adapt-N tool, which is a model that simulates nitrogen processes in the soil-crop system and derives nitrogen fertilizer recommendations. The model is complex and uses high-resolution weather data (3x3 mi resolution) in its computations, but can be easily run through a user-friendly web interface. The Adapt-N tool also provides insights into seasonal N losses and gains, and allows for end-of-season evaluation of N management practices.
This webinar is sponsored by the USDA NRCS East National Technology Support Center.
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