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Vertical and horizo...
Vertical and horizontal shifts in the microbial community structure of paddy soil under long-term fertilization regimes
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- Liu, Qiong (författare)
- Institute of Soil Sciences Chinese Academy of Sciences
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- Atere, Cornelius Talade (författare)
- Institute of Subtropical Agriculture, Chinese Academy of Sciences
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- Zhu, Zhenke (författare)
- Institute of Soil Sciences Chinese Academy of Sciences
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- Shahbaz, Muhammad (författare)
- Lund University,Lunds universitet,BECC: Biodiversity and Ecosystem services in a Changing Climate,Centrum för miljö- och klimatvetenskap (CEC),Naturvetenskapliga fakulteten,Centre for Environmental and Climate Science (CEC),Faculty of Science
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- Wei, Xiaomeng (författare)
- Institute of Subtropical Agriculture, Chinese Academy of Sciences
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- Pausch, Johanna (författare)
- University of Bayreuth
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- Wu, Jinshui (författare)
- Institute of Subtropical Agriculture, Chinese Academy of Sciences
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- Ge, Tida (författare)
- Institute of Subtropical Agriculture, Chinese Academy of Sciences
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(creator_code:org_t)
- Elsevier BV, 2022
- 2022
- Engelska.
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Ingår i: Applied Soil Ecology. - : Elsevier BV. - 0929-1393. ; 169
- Relaterad länk:
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http://dx.doi.org/10...
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https://doi.org/10.1...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Knowledge remains limited on how the structure of microbial community in paddy soils changes in relation to different types of fertilizers with same amount of nutrients. Thus, here, soil samples were collected at 0–10, 10–20, 20–30, and 30–40 cm depths from a paddy field subjected to four long-term fertilization treatments (no fertilization, mineral fertilization, mineral fertilization combined with rice straw, and chicken manure) and analyzed for microbial biomass and community composition. In unfertilized soils, microbial biomass decreased from 0 to 40 cm (with actinomycetes < gram-positive (G+) bacteria < gram-negative (G? ) bacteria < fungi). This ordering was retained after fertilization, but the decline with depth was less pronounced. Both mineral and mineral plus organic fertilization increased the biomass of G+ bacteria compared to G? bacteria (22.7–56.2% increase) and actinomycetes (14.8–52.5% increase). Thus, over the long term, G+ bacteria benefited the most from mineral fertilizer than the other microbial groups. The partial replacement of mineral fertilizer with manure primarily enhanced the abundance of G+ bacteria at 0–30 cm soil depth, whereas replacement with straw enhanced the abundance of fungi at 10–20 cm soil depth. Our findings demonstrate that the structure of the microbial community is strongly impacted by long-term fertilization, independent of fertilizer type.
Ämnesord
- LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Markvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Soil Science (hsv//eng)
- LANTBRUKSVETENSKAPER -- Annan lantbruksvetenskap -- Miljö- och naturvårdsvetenskap (hsv//swe)
- AGRICULTURAL SCIENCES -- Other Agricultural Sciences -- Environmental Sciences related to Agriculture and Land-use (hsv//eng)
Nyckelord
- Mineral fertilizer
- Microbial community composition
- Straw addition
- Soil depth
- Organic manure
- Paddy soil
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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