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Global assessment of nitrogen fertilizer: The SCOPE/IGBP nitrogen fertilizer rapid assessment project

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Abstract

Nitrogen (N) availability is a key role in food and fiber production. Providing plant-available N through synthetic fertilizer in the 20th and early 21st century has been a major contributor to the increased production required to feed and clothe the growing human population. To continue to meet the global demands and to minimize environmental problems, significant improvements are needed in the efficiency with which fertilizer N is utilized within production systems. There are still major uncertainties regarding the fate of fertilizer N added to agricultural soils and the potential for reducing losses to the environment. Enhancing the technical and economic efficiency of fertilizer N is seen to promote a favorable situation for both agricultural production and the environment, and this has provided much of the impetus for a new N fertilizer project.

To address this important issue, a rapid assessment project on N fertilizer (NFRAP) was conducted by SCOPE (the Scientific Committee on Problems of the Environment) during late 2003 and early 2004. This was the first formal project of the International Nitrogen Initiative (INI). As part of this assessment, a successful international workshop was held in Kampala, Uganda on 12 –16 January, 2004. This workshop brought together scientists from around the world to assess the fate of synthetic fertilizer N in the context of overall N inputs to agricultural systems, with a view to enhancing the efficiency of N use and reducing negative impacts on the environment. Regionalization of the assessment highlighted the problems of too little N for crop production to meet the nutrient requirements of sub-Saharan Africa and the oversupply of N in the major rice-growing areas of China. The results of the assessment are presented in a book (SCOPE 65) which is now available to provide a basis for further discussions on N fertilizer.

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Authors and Affiliations

  1. Agricultural and Biological Engineering Department, University of Florida, 32611, Gainesville, FL, USA

    Arvin R. Mosier

  2. Mae Fah Luang University, Chaiang Rai, Thailand

    J. Keith Syers

  3. CSIRO Plant Industry, ACT 2601, Australia

    John R. Freney

Authors
  1. Arvin R. Mosier
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  2. J. Keith Syers
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  3. John R. Freney
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Correspondence to Arvin R. Mosier.

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Mosier, A.R., Syers, J.K. & Freney, J.R. Global assessment of nitrogen fertilizer: The SCOPE/IGBP nitrogen fertilizer rapid assessment project. Sci. China Ser. C.-Life Sci. 48 (Suppl 2), 759–766 (2005). https://doi.org/10.1007/BF03187116

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  • DOI: https://doi.org/10.1007/BF03187116

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