Effects of long-term nitrogen addition on soil enzyme activities in a sitka spruce forest

H. Kang, C. Freeman, B. A. Emmett

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Effects of long-term nitrogen addition on soil enzyme activities were studied in a forest floor. Nitrogen was applied as sodium nitrate and ammonium nitrate for five years. Only the ammonium nitrate addition decreased urease activity, whilst proteinase activity was increased in all treatments including control of water-only addition. No differences, however, were detected in dehydrogenase and phosphatase activities.

Original languageEnglish
Pages (from-to)75-80
Number of pages6
JournalInternational Journal of Ecology and Environmental Sciences
Volume23
Issue number1
Publication statusPublished - 1997 Dec 1

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Ecology
  • Environmental Science(all)

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