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Federal
From field to groundwater: Quantifying crop N budgets, performance metrics and nitrate leaching in the southern Willamette Valley, Oregon recent views
U.S. Environmental Protection Agency —
This file contains water balances, monthly nitrate leaching and concentrations, field site descriptions and field crop inputs and harvest information. -
Federal
Coupling the dual-isotope indicators of water and nitrate indicates legacy groundwater pollution recent views
U.S. Environmental Protection Agency —
Shallow groundwater samples were collected since 2006 for routine analysis by ODEQ from 16 domestic wells (installation dating from the 1970s) and 23 ODEQ groundwater...