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Kleineidam, K. ; Kosmrlj, K. ; Kublik, S. ; Palmer, I.* ; Pfab, H.* ; Ruser, R.* ; Fiedler, S.* ; Schloter, M.

Influence of the nitrification inhibitor 3,4-dimethylpyrazole phosphate (DMPP) on ammonia-oxidizing bacteria and archaea in rhizosphere and bulk soil.

Chemosphere 84, 182-186 (2011)
DOI PMC
Open Access Gold as soon as Publ. Version/Full Text is submitted to ZB.
In agricultural plant production nitrification inhibitors like 3,4-dimethylpyrazole phosphate (DMPP) are used to retard the microbial nitrification process of fertilized ammonium to enhance the nitrogen supply for cultivated crops and to reduce nitrogen losses from the production system. Besides the well-known ammonia-oxidizing bacteria (AOB) it is known for a few years that also ammonia-oxidizing archaea (AOA) are able to perform the first step in nitrification, hence being also a target for a nitrification inhibitor. However, so far no information are available concerning the effectiveness of DMPP and its extent towards AOB and AOA, neither in bulk soil nor in the root-rhizosphere complex. We investigated in a field experiment performed according to agricultural practice the effect of DMPP on the abundance of AOB and AOA two, four and eight weeks after fertilization. We observed impaired abundances of AOB but not of AOA in both soil compartments that were still visible eight weeks after application, possibly indicating a reduced effectiveness of the nitrification inhibitor in our study.
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Publication type Article: Journal article
Document type Scientific Article
Keywords Nitrification inhibitor; DMPP; Ammonia-oxidizing bacteria; Ammonia-oxidizing archaea; Quantitative real-time PCR; Arable soil
Language english
Publication Year 2011
HGF-reported in Year 2011
ISSN (print) / ISBN 0045-6535
e-ISSN 1879-1298
Journal Chemosphere
Quellenangaben Volume: 84, Issue: 1, Pages: 182-186 Article Number: , Supplement: ,
Publisher Elsevier
Publishing Place Kidlington, Oxford
Reviewing status Peer reviewed
POF-Topic(s) 30202 - Environmental Health
Research field(s) Environmental Sciences
PSP Element(s) G-504700-001
G-504490-001
PubMed ID 21435682
Scopus ID 79956130084
Erfassungsdatum 2011-05-26