The short-term effects of nitrification inhibitors on the abundance and expression of ammonia and nitrite oxidizers in a long-term field experiment comparing land management

A - Papers appearing in refereed journals

Fu, Q., Clark, I. M., Zhu, J., Hu, H. Q. and Hirsch, P. R. 2018. The short-term effects of nitrification inhibitors on the abundance and expression of ammonia and nitrite oxidizers in a long-term field experiment comparing land management. Biology And Fertility Of Soils. 54 (1), pp. 163-172.

AuthorsFu, Q., Clark, I. M., Zhu, J., Hu, H. Q. and Hirsch, P. R.
Abstract

Microcosms were set up to evaluate the effect of nitrification inhibitors (DCD, c-PTiO, and NaClO3) on the abundance and expression of ammonia-oxidizing bacteria (AOB) and archaea (AOA), as well as the nitrite-oxidizing bacteria (NOB) Nitrospira and Nitrobacter. Both DCD and NaClO3 inhibited the net nitrification rate, while c-PTiO had no significant effects, and NaClO3 had a much greater inhibitory effect (> 60%) in all soils than DCD. No significant changes in total microbial abundance were observed with DCD and NaClO3. DCD limited only the growth of AOB; however, NaClO3 inhibited growth of both AOA and Nitrospira-NOB with no significant effects on AOB and Nitrobacter-NOB. Probably NaClO3 inhibited both ammonia oxidation and nitrite oxidation. This is the first report to reveal the inhibitory effects of NaClO3 on a specific nitrification process, helping to clarify the ecological niche of nitrifiers and the potential of nitrification inhibitors applied to soil.

Year of Publication2018
JournalBiology And Fertility Of Soils
Journal citation54 (1), pp. 163-172
Digital Object Identifier (DOI)doi:10.1007/s00374-017-1249-2
Open accessPublished as non-open access
FunderBiotechnology and Biological Sciences Research Council
Funder project or codeOptimisation of nutrients in soil-plant systems: How can we control nitrogen cycling in soil?
Output statusPublished
Publication dates
Online27 Oct 2017
Publication process dates
Accepted09 Oct 2017
PublisherSpringer Nature
Springer
Copyright licensePublisher copyright
Grant IDBB/P01268X/1
ISSN0178-2762

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