Treatment wetlands: Cost-effective practice for intercepting nitrate before it reaches and adversely impacts surface waters

REFERENCES

1. 1. Crumpton W.,
   2. Stenback G.,
   3. Miller B.,
   4. Helmers M.

   Crumpton W., Stenback G., Miller B., Helmers M.. 2007. Potential Benefits of Wetland Filters for Tile Drainage Systems: Impact on Nitrate Loads to Mississippi River Subbasins. Washington, DC: USDA.
2. 1. Mississippi River/Gulf of Mexico Watershed Nutrient Task Force

   Mississippi River/Gulf of Mexico Watershed Nutrient Task Force. 2001. Action Plan for Reducing, Mitigating, and Controlling Hypoxia in the Northern Gulf of Mexico. Washington, DC: US Environmental Protection Agency.
3. 1. NOAA (National Oceanic and Atmospheric Administration)

   NOAA (National Oceanic and Atmospheric Administration). 1999. Evaluation of the Economic Costs and Benefits of Methods for Reducing Nutrient Loads to the Gulf of Mexico. Washington, DC: NOAA.