The Fourth International Nitrogen Conference: N-2007
   Agriculture, Development, and Nitrogen
   A problem of too little or too much


Conference participants will learn about all aspects of and issues surrounding nitrogen, one of the most fascinating elements on Earth.

Nitrogen is an essential component of any plan for reducing world hunger, poverty, and disease. When used in excess, however, N becomes an important pollutant. This duality is one of the major challenges that humanity has to face now and in the future if we want to ensure environmental sustainability. The complex problems of N cannot be tackled individually, but rather the solutions must engage a large community that encompasses a broad spectrum of professionals. For N2007, we are inviting not only participants concerned with particular aspects of N cycling, but also participants from the policy, development, and engineering communities. The N2007 meeting is the perfect venue to discuss these issues and to find common ground to begin to find answers and solutions to alleviate world hunger with minimal environmental harm. N-2007 will build an agenda for how to better manage nitrogen across our planet. We will develop some specific goals to reach by 2025, set in the context of the goals of the United Nations Millennium Development Program. To achieve these goals, we will use a mixture of plenary lectures, short workshops, and poster sessions. The plenary lectures will be used to inspire and challenge the meeting participants. Detailed scientific presentations will be given in a series of concurrent workshops. In addition to the traditional plenary talks, contributed talks and poster sessions, we are proposing a series of six-hour workshops to be held during the conference. The main objective of these workshops is to discuss in depth certain topics that are crucial to the development of a sustainable agenda for nitrogen use. The final product of each workshop is a document that will summarize the findings of each workshop. In addition to these activities we are organizing a series of six short courses for students.

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Products
We will publish workshops results, general conclusions, and statements in the web site of the International Nitrogen Initiative, which guarantees free global access, with much less delay than has traditionally been possible. Selected presentations will be invited to submit their material to a peer-review journal . Indefinite future access to these materials will be provided by posting them to D-space publication space at Cornell University.

Intended Audience
Overtime, the attendance at the International Nitrogen Conferences has grown increasingly diverse in terms of professional discipline. N-2007 will be no different. We expect a strong representation from both the energy and food production industries, as well as from NGOs, and United Nation agencies (FAO, UNEP, WHO). This broad-based attendance will help insure that post-conference distribution of conference products will also be extensive.

Venue
The conference will be held October 1-5, 2007 in the Costa do Sauípe complex, which is located 110 km north from the city of Salvador, capital of the State of Bahia. Brazil was chosen because it is an important country in terms of both food/feed production (soybean, beef) and because of the large extent of intact natural ecosystems. The State of Bahia, which the capital is the city of Salvador was chosen because this is one of the most beautiful coast of Brazil, but it is also a typical poor region of Brazil with low-nitrogen input.

The Scientific Committee
· Amy Austin (University of Buenos Aires and IFEVA-CONICET, Argentina)
· Carlos Nobre (IGBP, Brasil)
· Cliff Duke (Ecological Society of America, EUA)
· Ernesto Medina (Instituto Venezolano de Investigaciones Científicas, Venezuela)
· James N. Galloway (University of Virginia, EUA)
· Jan Willem Erisman (Energy Research Center of the Netherlands)
· Jerry Melillo (Woods Hole Marine Laboratory, EUA)
· Julio Baisre (Ministerio de la Industria Pesquera, Cuba)
· Kilaparti Ramakrishna (UNEP, Kenya)
· Luc Maene (International Fertilizer Association, França)
· Luiz Antonio Martinelli (General Coordinator- University of São Paulo, Brasil)
· Mateete Bekunda (Makerere University, Uganda)
· Reynaldo Luiz Victoria (University of São Paulo, Brasil)
· Robert Howarth (Cornell University, EUA)
· Vinicius Moreira (Louisiana State University, EUA)
· Zucong Cai (Chinese Academy of Sciences, China)

The Local Committee

· Epaminondas S. B. Ferraz – CENA/USP (epferraz@cena.usp.br)
· Jean Pierre H.B. Ometto - IGBP (jpometto@cena.usp.br)
· Luiz Antonio Martinelli – CENA/USP (martinelli@cena.usp.br)
· Plínio B de Camargo – CENA/USP (pcmargo@cena.usp.br)