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