North America

Agriculture: sustainable crop and animal production to help mitigate nitrous oxide emissions

Nitrous oxide (N2O) emissions from agriculture can be tackled by reducing demand for, and consumption of, nitrogen (N) inputs via diet modification and waste reduction, and/or through technologies applied at the field level. This article focusses on the latter options. Opportunities for mitigating N2O emissions at the field level can be advanced by a clearer scientific understanding of the system complexities leading to emissions, while maintaining agricultural system sustainability and productivity.

Conference on Improving NUE in Crop and Livestock Production Systems

From August 13-15 2013, the Soil Science Society of America (SSSA) holds a Research Coordination Network conference on ‘Improving Nitrogen Use Efficiency in Crop and Livestock Production Systems’ with focus on ‘Existing Technical, Economic, and Social Impediments and Future Opportunities’. This conference will be held in Kansas City, MO, USA.

More information on this conference and ways to register can be found at the SSSA website.

A brochure on this conference is available here.

Reactive Nitrogen in the United States

This is a report of the EPA Science Advisory Board, which has conducted a study to analyze sources and fate of Nr in the United States and provide advice to EPA on integrated nitrogen research and control strategies. The objectives for this study were to:

- Identify and analyze from a scientific perspective the problems Nr presents in the environment and the links among them;

- Evaluate the contribution an integrated nitrogen management strategy could make to environmental protection;

- Identify additional risk management options for EP A’s consideration; and

Tulane Nitrogen Reduction Challenge

The Tulane University (New Orleans, US) has announced the next phase of the their 'Tulane Nitrogen Reduction Challenge', an international competition that will award $1 million to the entrepeneur, researcher or inventor with the best plan to reduce the amount of nutrients entering the world's lakes, rivers and oceans through storm water runoff and ultimately reduce the hypoxic zone in the Gulf of Mexico.

For more information, go to the Tulane website.

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