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Changes of soil-rhizosphere microbiota after organic amendment application in a Hordeum vulgare L. short-term greenhouse experiment.
Plant Soil 455, 489–506 (2020)
Publ. Version/Full Text
Research data
DOI
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.
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Publication type
Article: Journal article
Document type
Scientific Article
Keywords
Bacterial Community Structure ; Soil Extracellular Enzyme Activity ; Biochar ; Spent Mushroom Substrate ; Organic Amendments ; Mineral Fertilizer ; Biological Soil Quality Indices; Spent Mushroom Substrate; Bacterial Community Structure; Fumigation-extraction Method; Enzyme-activities; Biochar; Biomass; Nitrogen; Carbon; Diversity; Health
ISSN (print) / ISBN
0032-079X
e-ISSN
1573-5036
Journal
Plant and Soil
Quellenangaben
Volume: 455,
Pages: 489–506
Publisher
Springer
Publishing Place
Van Godewijckstraat 30, 3311 Gz Dordrecht, Netherlands
Non-patent literature
Publications
Reviewing status
Peer reviewed
Institute(s)
Research Unit Comparative Microbiome Analysis (COMI)