The effects of residual tetracycline on soil enzymatic activities and plant growth

X. Wei, S. C. Wu, X. P. Nie, A. Yediler, Ming Hung WONG

Research output: Contribution to journalJournal articlepeer-review

59 Citations (Scopus)


A pot trial was carried out to investigate the adverse effects of tetracycline (TC) on soil microbial communities, microbial activities, and the growth of ryegrass (Lolium perenne L). The results showed that the presence of TC significantly disturbed the structure of microbial communities and inhibited soil microbial activities in terms of urease, acid phosphatase and dehydrogenase (p < 0.05). Plant biomass was adversely influenced by TC, especially the roots with a reduction of 40% when compared with the control. Furthermore, TC decreased the assimilation of phosphorus by the plant although the concentration of phosphorus was increased by 20% due to decreased plant biomass. TC seemed to increase the concentration of dissolved organic carbon (by 20%) in soil. The findings implied that the agricultural use of animal manure or fishpond sediment containing considerable amounts of antibiotics may give rise to ecological risks.

Original languageEnglish
Pages (from-to)461-471
Number of pages11
JournalJournal of Environmental Science and Health - Part B Pesticides, Food Contaminants, and Agricultural Wastes
Issue number5
Publication statusPublished - Jun 2009

Scopus Subject Areas

  • Food Science
  • Pollution

User-Defined Keywords

  • Bacteria
  • Fungi
  • Lolium perenne L
  • Plant growth
  • Soil
  • Tetracycline


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