| Title | Long-term fertilisation form, level and duration affect the diversity, structure and functioning of soil microbial communities in the field |
| Publication Type | Journal Article |
| Year of Publication | 2018 |
| Authors | van der Bom F., Nunes I., Raymond N.S, Hansen V., Bonnichsen L., Magid J., Nybroe O., Jensen L.S |
| Journal | Soil Biology and Biochemistry |
| Volume | 122 |
| Pagination | 91-103 |
| Date Published | Jul |
| Type of Article | Article |
| ISBN Number | 0038-0717 |
| Accession Number | WOS:000435053800010 |
| Keywords | Agriculture, amendments, bacterial community, biomass, carbon, crop yields, Manure, Metabolic fingerprints, microorganisms, MicroResp, MICRORESP(TM), Mineral fertiliser, nitrogen-fertilization, Nutrients, Soil microbiome, sp-nov. |
| Abstract | Applications of mineral and organic fertilisers are an important agricultural practice for improving crop yields, but these applications can also affect soil properties, as well as the microbial community structure and function. The objective of this study was to compare the legacy effects of long-term applications of mineral fertiliser versus animal slurry on the composition and activity of soil microbial communities, and to investigate the significance of their application level and change in long-term management. Soils were collected from the Long-Term Nutrient Depletion Trial in Taastrup, Denmark, which consists of seven mineral and animal slurry fertilisation treatments (20 years) plus seven additional treatments that underwent a shift in their long-term management after 14 years. Microbial communities in soils receiving animal slurry had multiple substrate-induced respiration (MSIR) metabolic fingerprints that clearly differentiated them from those in mineral fertiliser-amended soils. The differences in fingerprints were mainly related to soil total C and pH. Bacterial community analysis by 16S rRNA gene amplicon sequencing showed that animal slurry applications increased bacterial community richness and diversity compared with mineral fertiliser applications, and also increased the relative abundance of several copiotrophic taxa. Even high levels of annual nutrient applications (mineral and organic) promoted copiotroph-dominated bacterial communities to the detriment of oligotrophs, with N inputs exerting a greater influence on bacterial community structure than P or K levels. Stable long-term annual fertiliser applications supported a diverse bacterial community, while a change in nutrient management decreased bacterial diversity. This study documents the differing, time-dependent effects of organic inputs and mineral fertilisation on the composition and functionality of the soil microbial community and highlights the importance of nutrient input levels for soil bacterial community structure.
|
| Short Title | Soil Biol. Biochem.Soil Biol. Biochem. |
| Alternate Journal | Soil Biol. Biochem. |
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Times Cited: 3
Cited Reference Count: 73
van der Bom, Frederik Nunes, Ines Raymond, Nelly Sophie Hansen, Veronika Bonnichsen, Lise Magid, Jakob Nybroe, Ole Jensen, Lars Stoumann
Jensen, Lars/E-3564-2012; Magid, Jakob/C-4558-2013
Jensen, Lars/0000-0002-1446-2084; Raymond, Nelly Sophie/0000-0003-3424-1606; Magid, Jakob/0000-0001-5867-0910
Department of Plant and Environmental Sciences at the University of Copenhagen; Innovation Fund Denmark [5107-00002B]; Future Cropping project
Basic research funding was provided partly by the Department of Plant and Environmental Sciences at the University of Copenhagen and partly by the Future Cropping project, funded by Innovation Fund Denmark (grant no. 5107-00002B). We would like to thank Dusko Dimitrijevic for his help during soil sampling and laboratory work, as well as the technical staff at the experimental farm in Taastrup, in particular Carsten Jorgensen, Knud-Erik S. Knudsen and Keld Skov Nielsen, who assisted with the field experiments and have managed the field for the many years of the long-term experiment.
3
27
70
Pergamon-elsevier science ltd
Oxford
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