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#1 Federal
Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in U.S. ground water used for drinking (simulation depth 50 meters) -- Input data set for farmfertilizer (gwava-dw_ffer)
- Organization: Department of the Interior
- Dataset Last Updated: November 17, 2020 at 12:00 AM
This data set represents the average annual nitrogen input from commercial fertilizer applied to agricultural lands, 1992-2001, in kilograms per hectare, in the conterminous United States. The...
- xml
- xml
Search relevance: 1.00 | Views last month: 5 | Catalog Last Checked: August 01, 2026 at 05:46 AM
#2 Federal
Vulnerability of shallow ground water and drinking-water wells to nitrate in the United States: Model of predicted nitrate concentration in shallow, recently recharged ground water -- Input data set for farm fertilizer (gwava-s_ffer)
- Organization: Department of the Interior
- Dataset Last Updated: November 17, 2020 at 12:00 AM
This data set represents the average annual nitrogen input from commercial fertilizer applied to agricultural lands, 1992-2001, in kilograms per hectare, in the conterminous United States. The...
- xml
- xml
Search relevance: 1.00 | Views last month: 1 | Catalog Last Checked: August 01, 2026 at 03:15 AM

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