Nitrous oxide emissions after application of inorganic fertiliser and incorporation of green manure residues

J. Sarkodie-Addo, H. C. Lee, Elizabeth Baggs

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

Emissions of N2O were measured after application of NH4NO3 fertilizer and incorporation of winter wheat and rye green manures in two field experiments in southeast England. Incorporation of green manure alone resulted in temporary immobilization of soil N, small N2O emissions and also low availability of N for the following crop. Emissions were increased after application of inorganic fertilizer, and were further increased from integrated management treatments whereby green manure residues were incorporated after fertilizer application. The highest emission was from the incorporated winter wheat green manure plus fertilizer treatment, with 1.5 kg N2O-N ha(-1) (0.6% of N applied) being emitted over the first 55 days after incorporation. This high emission was attributed to the supply of C in the residues providing the energy for denitrification in the presence of large amounts of mineral N and the creation of anaerobic microsites during microbial respiration.

Original languageEnglish
Pages (from-to)331-339
Number of pages8
JournalSoil Use & Management
Volume19
DOIs
Publication statusPublished - 2003

Keywords

  • crop residues
  • green manure
  • incorporation
  • nitrous oxide
  • soil mineral N
  • AGRICULTURAL SOILS
  • COVER CROP
  • DENITRIFICATION RATES
  • DECOMPOSITION
  • N2O
  • MINERALIZATION
  • VARIABLES
  • SYSTEMS
  • RELEASE
  • CARBON

Cite this

Nitrous oxide emissions after application of inorganic fertiliser and incorporation of green manure residues. / Sarkodie-Addo, J.; Lee, H. C.; Baggs, Elizabeth.

In: Soil Use & Management, Vol. 19, 2003, p. 331-339.

Research output: Contribution to journalArticle

Sarkodie-Addo, J. ; Lee, H. C. ; Baggs, Elizabeth. / Nitrous oxide emissions after application of inorganic fertiliser and incorporation of green manure residues. In: Soil Use & Management. 2003 ; Vol. 19. pp. 331-339.
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