Simpson, Thomas W.Martinelli, Luiz A.Sharpley, Andrew N.Howarth, Robert W.2017-02-162017-02-162009Biofuels: Environmental Consequences and Interactions with Changing Land Use; Ithaca, NY; CIP (CU Library Iniatives in Publishing); 2009; 153-167https://hdl.handle.net/1813/46219en-USbiofuelsChapter 9: Impact of Ethanol Production on Nutrient Cycles and Water Quality: The United States and Brazil as Case StudiesBiofuels: Environmental Consequences and Interactions with Changing Land Use: Chapter 9book chapter