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Author Spotlight: Understanding Riverine Nitrogen Impacts and Primary Productivity for Effective Nutrient Management
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County, subregional and regional nitrogen data derived from the Net Anthropogenic Nitrogen Inputs (NANI) toolbox
Dennis P Swaney1, Robert W Howarth1, Bongghi Hong1
1Cornell University, United States.
Data in Brief
|June 16, 2018
Summary
This study provides estimates of nitrogen content, nitrogen use efficiency (NUE), and agricultural nitrogen inputs across the contiguous US. It also presents Net Anthropogenic Nitrogen Input (NANI) data from 1987 to 2012.
Area of Science:
- Agricultural Science
- Environmental Science
- Soil Science
Background:
- Nitrogen is a critical nutrient for crop production but excess inputs can lead to environmental issues.
- Understanding nitrogen dynamics in agriculture is essential for sustainable farming practices.
- Previous estimates of nitrogen use efficiency (NUE) and inputs have varied in scope and methodology.
Purpose of the Study:
- To estimate nitrogen content of crop production, NUE, and agricultural nitrogen inputs across the contiguous United States.
- To provide estimates of Net Anthropogenic Nitrogen Input (NANI) at county, sub-regional, and regional scales.
- To analyze nitrogen-related agricultural data for six census years between 1987 and 2012.
Main Methods:
- Utilized USDA agricultural census data and US population census data.
- Employed version 3.1 of the NANI calculator toolbox for estimations.
- Data were aggregated and analyzed at county, sub-regional, and regional levels.
Main Results:
- Detailed estimates of crop nitrogen content, NUE, and agricultural nitrogen inputs are presented.
- Net Anthropogenic Nitrogen Input (NANI) data are provided for multiple scales and time points.
- The dataset covers six agricultural census years from 1987 to 2012.
Conclusions:
- The study provides a comprehensive dataset for analyzing nitrogen management in US agriculture.
- These data can inform policy and practices aimed at improving NUE and reducing environmental impacts.
- The findings offer valuable insights into long-term trends of nitrogen use in agriculture.
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