Advances in Nitrogen Management for Water Quality

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Scientific literature provides overwhelming evidence of the importance of managing nitrogen (N) to protect water quality as well as the environment in general. The goal of this chapter is to address many of the questions concerning this subject. Enhanced N management is increasingly necessary to decrease the impacts that excessive amounts of N in its reactive forms (i.e., Nr) can have on ecosystems. Dinitrogen gas (N2) is the most abundant element in the Earth’s atmosphere and available for metabolism in biological systems, yet once the triple bond of the N2 molecule is broken the single N atoms become reactive (Nr) and bonds with elements, such as oxygen (O), carbon (C), and hydrogen (H), to form some of the most mobile ionic substances found in the soilplant- atmosphere system.

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Jennifer R. Follett, Ronald F. Follett, and William C. Herz

Chapter 2. Water Management: A Key to Reducing Nitrogen Losses
E. John Sadler, Walter C. Bausch, Norman R. Fausey, and Richard B. Ferguson
 
Chapter 3. Nitrogen and Drainage Management to Reduce Nitrate Losses to Subsurface Drainage
Gyles W. Randall, Michael J. Goss, and Norman R. Fausey
 
Chapter 4. Integrated Nitrogen Management
Juan M. Herrera and Jorge A. Delgado
 
Chapter 5. Nitrogen Budgets for Agricultural Policy and Farm Management
Shabtai Bittman and Mary Lou Swift
 
Paul Reed Hepperly, Kokoasse Kpomblekou-A, and Jessica G. Davis
 
Chapter 7. Precision Farming for Nitrogen Management
Dan S. Long and Fran J. Pierce
 
Chapter 8. Nitrogen Sensors to Fine Tune the Nutrient Management Decision Making Process
James S. Schepers and William R. Raun
 
Seth M. Dabney, Jorge A. Delgado, Jack J. Meisinger, Harry H. Schomberg, Mark A. Liebig, Tom Kaspar, Jeffrey Mitchell, and Wayne Reeves
 
Chapter 10. Use of Buffers to Reduce Sediment and Nitrogen Transport to Surface Water Bodies
Ali Fares, Mohammad Safeeq, Akitsu Kimoto, and Ahmet Dogan
 
Chapter 11. Evaluation of Best Nitrogen Management Practices Across Regions of Argentina and Spain
Raúl S. Lavado, José M. de Paz, Jorge A. Delgado, and Helena Rimski-Korsakov
 
Chapter 12. Nutrient Credit Trading—a Market-based Approach for Improving Water Quality
Harbans Lal
 
Marvin J. Shaffer, Jorge A. Delgado, Christoph M. Gross, Ronald F. Follett,and Paul Gagliardi
 
Jorge A. Delgado, Paul Gagliardi, Marvin J. Shaffer, Harris Cover, Eric Hesketh, James C. Ascough, and Brandon M. Daniel
 
Christoph M. Gross, Jorge A. Delgado, Marvin J. Shaffer, Douglas Gasseling, Theodis Bunch, and Robert Fry
 
Suggested Citation
Delgado, J.A., and R.F. Follett, eds. 2010. Advances in Nitrogen Management for Water Quality. Ankeny, IA: Soil and Water Conservation Society.

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