Impact of Agriculture on Ground-Water Quality on the Delmarva Peninsula

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by W. F. Ritter, Univ of Delaware, United States,

Document Type: Proceeding Paper

Part of: Irrigation and Drainage

Abstract: Both pesticides and nitrates have been detected in the ground water on the Delmarva Peninsula. Highest nitrate concentrations have been found on well-drained soils. Poultry manure is one of the major contributors to high nitrate concentrations. Several research projects have shown that atrazine and simazine will move rapidly to ground water if sufficient rainfall occurs shortly after they are applied. Winter cover crops, controlled drainage and manure storage sheds are being promoted as methods to help reduce ground water contamination.

Subject Headings: Groundwater pollution | Groundwater quality | Nitrates | Pesticides | Groundwater |

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