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Open Access Green as soon as Postprint is submitted to ZB.
Changes in microbial community structure in soil as a result of different amounts of nitrogen fertilization.
Biol. Fertil. Soils 44, 1103-1106 (2008)
The changes in size, activity and structure of soil microbial community caused by N fertilization were studied in a laboratory incubation experiment. The rates of N fertiliser applied (KNO3) were 0 (control), 100 and 2,000 ?g N g-1 soil. Despite no extra C sources added, a high percentage of N was immobilized. Whereas no significant increase of microbial C was revealed during incubation period, microbial growth kinetics as determined by the substrate-induced growth-response method demonstrated a significant decrease in the specific growth rate of microbial community in soil treated with 2,000 ?g N g-1 soil. Additionally, a shift in microbial community structure resulting in an increase in fungal biomarkers, mainly in the treatment with 2,000 ?g N g-1 soil was visible.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Nitrogen immobilization; Microbial community structure; Microbial biomass
ISSN (print) / ISBN
0178-2762
e-ISSN
1432-0789
Journal
Biology and Fertility of Soils
Quellenangaben
Volume: 44,
Issue: 8,
Pages: 1103-1106
Publisher
Springer
Reviewing status
Peer reviewed
Institute(s)
Institute of Soil Ecology (IBOE)