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Title: | Changes of soil-rhizosphere microbiota after organic amendment application in a Hordeum vulgare L. short-term greenhouse experiment | Authors: | Obermeier, Michael M. Minarsch, Eva-Maria L. Raj, Abilash C. Durai RINEAU, Francois Schroeder, Peter |
Issue Date: | 2020 | Publisher: | SPRINGER | Source: | PLANT AND SOIL, 455 (1-2) , p. 489 -506 | Abstract: | Aims In order to counteract the enduring decreases in the quality of agricultural land, mechanistic studies for a more sustainable agricultural crop production were performed. They aimed to assess the effects of organic amendments in combination with mineral fertilizer on soil-rhizosphere microbiota and their influence on soil health and plant performance. Methods In a short-term greenhouse experiment, the effects of pelletized spent mushroom substrate, with different combinations of biochar and mineral fertilizer, on agricultural soil and performance ofHordeum vulgareL were scrutinized. To evaluate improved soil quality, different soil biological and chemical properties, microbial activity, bacterial diversity and plant performance were assessed. Results Plant performance increased across all fertilizer combinations. Bacterial beta-diversity changed from the initial to the final sampling, pointing at a strong influence of plant development on the rhizosphere with increasing abundances ofAcidobacteriaand decreasing abundances ofActinobacteria, Chloroflexi, andBacteroidetes. Microbial activity (FDA), potential enzyme activity and metabolic diversity of the microbial community (BIOLOG) were not affected by the amendments, whereas bacterial community structure changed on family level, indicating functional redundancy. Treatments containing biochar and the highest amount of mineral fertilizer (B_MF140) caused the strongest changes, which were most pronounced for the familiesXanthobacteraceae, Mycobacteriaceae,andHaliangiaceae. Conclusion Applying organic amendments improved plant performance and maintained soil health, contributing to more sustainable crop production. Nevertheless, long-term field studies are recommended to verify the findings of this short-term experiment. | Notes: | Schroder, P (corresponding author), Helmholtz Zentrum Munchen, Res Unit Comparat Microbiome Anal, German Res Ctr Environm Hlth GmbH, Ingolstadter Landstr 1, D-85764 Neuherberg, Germany. peter.schroeder@helmholtz-muenchen.de |
Other: | Schroder, P (corresponding author), Helmholtz Zentrum Munchen, Res Unit Comparat Microbiome Anal, German Res Ctr Environm Hlth GmbH, Ingolstadter Landstr 1, D-85764 Neuherberg, Germany. peter.schroeder@helmholtz-muenchen.de | Keywords: | Bacterial community structure;Soil extracellular enzyme activity;Biochar;Spent mushroom substrate;Organic amendments;Mineral fertilizer;Biological soil quality indices | Document URI: | http://hdl.handle.net/1942/32692 | ISSN: | 0032-079X | e-ISSN: | 1573-5036 | DOI: | 10.1007/s11104-020-04637-7 | ISI #: | WOS:000556642900004 | Rights: | Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2021 |
Appears in Collections: | Research publications |
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