OSU Extension Service Groundwater & Agricultural Practices Research

Almost a decade of research is summarized in this series of publications.

  • Field Measurements of Nitrogen Leaching Below Willamette Valley Row & Mint CropsEM 8851
  • Pesticides in Southern Willamette Valley Groundwater, EC 1565
  • Groundwater and Nitrogen Management in Willamette Valley Mint Production, EM 8861
  • Irrigation System Maintenance, Groundwater Quality, and Improved Production, EM 8862
  • Why Should We Be Concerned with our Current Fertilizer Practices? Special Report 1050.

Graduate Students

Nitrogen Budget Report

Linking Groundwater Age and Chemistry Data to Determine Redox Reaction Rates and Trends in Nitrate Concentrations in Agricultural Areas USGS, April 22, 2010

2010 Agriculture Workshop


DEQ maintains a searchable Water Quality Database. View a fact sheet with instructions.