The Sustainable Nitrogen Management Index (SNMI) seeks to balance efficient application of nitrogen fertilizer with maximum crop yields as a measure of the environmental performance of agricultural production. The 2020 EPI uses the SNMI as a proxy for agricultural drivers of environmental damage.
Original source: UMCES.
When using this variable, please cite both EPI and the original source.
Type of variable: Continuous
Last updated by source: 2022-06-06