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Science 20 January 1978:
Vol. 199. no. 4326, pp. 295 - 296
DOI: 10.1126/science.199.4326.295
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Articles

Nitrous Oxide: Emission from Soils During Nitrification of Fertilizer Nitrogen

J. M. BREMNER 1 and A. M. BLACKMER 1

1 Department of Agronomy, Iowa State University, Ames 50011

Nitrous oxide is released from soils to the atmosphere during nitrification of ammonium and ammonium-producing fertilizers under aerobic conditions as well as by denitrification of nitrate under anaerobic conditions. Emissions of nitrous oxide during nitrification of fertilizer nitrogen may be significant in regard to the potential threat of fertilizer-derived nitrous oxide to the stratospheric ozone layer. Such emissions can be greatly reduced through the use of nitrapyrin, which inhibits nitrification of ammonium by soil microorganisms.

Submitted on August 15, 1977
Revised on September 27, 1977


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
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