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Transformation of the nitrogen cycle: recent trends, questions, and potential solutions.
Galloway, James N; Townsend, Alan R; Erisman, Jan Willem; Bekunda, Mateete; Cai, Zucong; Freney, John R; Martinelli, Luiz A; Seitzinger, Sybil P; Sutton, Mark A.
Afiliación
  • Galloway JN; Environmental Sciences Department, University of Virginia, Charlottesville, VA 22904, USA. jng@virginia.edu
Science ; 320(5878): 889-92, 2008 May 16.
Article en En | MEDLINE | ID: mdl-18487183
Humans continue to transform the global nitrogen cycle at a record pace, reflecting an increased combustion of fossil fuels, growing demand for nitrogen in agriculture and industry, and pervasive inefficiencies in its use. Much anthropogenic nitrogen is lost to air, water, and land to cause a cascade of environmental and human health problems. Simultaneously, food production in some parts of the world is nitrogen-deficient, highlighting inequities in the distribution of nitrogen-containing fertilizers. Optimizing the need for a key human resource while minimizing its negative consequences requires an integrated interdisciplinary approach and the development of strategies to decrease nitrogen-containing waste.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Especies de Nitrógeno Reactivo / Ambiente / Nitrógeno Límite: Animals / Humans Idioma: En Revista: Science Año: 2008 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos
Texto completo
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XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Especies de Nitrógeno Reactivo / Ambiente / Nitrógeno Límite: Animals / Humans Idioma: En Revista: Science Año: 2008 Tipo del documento: Article País de afiliación: Estados Unidos Pais de publicación: Estados Unidos