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Federal
National Inventory of Reactive Nitrogen
U.S. Environmental Protection Agency —
The effectiveness of management actions in reducing the release of excess nitrogen (N) to the environment is best assessed if N fluxes across air, land and water are... -
Federal
Dataforfigures_NEWSMRB-DIN
U.S. Environmental Protection Agency —
These are the values plotted in the manuscript and supplemental information sections. This dataset is associated with the following publication: McCrackin, M., E.... -
Federal
County-Level Estimates of Nitrogen and Phosphorus from Commercial Fertilizer for the Conterminous United States, 1987-2012
Department of the Interior —
This data set contains county-level estimates of nitrogen and phosphorus from fertilizer, for both farm and nonfarm uses, for the conterminous United States, for 1987...