Short-Term Dynamics of Bacterial Community Structure in Restored Abandoned Agricultural Soils under Semi-Arid Conditions

The restoration of unproductive abandoned agricultural soils under a semi-arid climate in southeastern Spain was evaluated. Four organic amendments from different composted wastes (greenhouse crop residues; worm compost from sheep–cow manure and plant remains; chicken manure; and sheep–chicken manur...

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Main Authors: Rodríguez Fernández, Natalia, Soria Martínez, Rocío, Villafuerte Acuña, Ana, Ortega Pérez, Raúl, Miralles Mellado, Isabel
Format: info:eu-repo/semantics/article
Language:English
Published: MDPI 2023
Subjects:
Online Access:http://hdl.handle.net/10835/14183
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author Rodríguez Fernández, Natalia
Soria Martínez, Rocío
Villafuerte Acuña, Ana
Ortega Pérez, Raúl
Miralles Mellado, Isabel
author_facet Rodríguez Fernández, Natalia
Soria Martínez, Rocío
Villafuerte Acuña, Ana
Ortega Pérez, Raúl
Miralles Mellado, Isabel
author_sort Rodríguez Fernández, Natalia
collection DSpace
description The restoration of unproductive abandoned agricultural soils under a semi-arid climate in southeastern Spain was evaluated. Four organic amendments from different composted wastes (greenhouse crop residues; worm compost from sheep–cow manure and plant remains; chicken manure; and sheep–chicken manure and plant remain) were applied, untreated control plots were installed, and natural unexploited soils were selected as a reference ecosystem. Through three sampling campaigns (initial, 3 months, and 12 months), significant changes were observed in soil physico-chemical properties, nutrient content (carbon -C-, nitrogen -N-, and phosphorus -P-), and bacterial composition of the restored soils with respect to control and natural soil, especially at 3 months. The increase of labile nutrients caused the proliferation of copiotrophic phyla at 3 months, which, after their consumption, were replaced by oligotrophic phyla at 12 months. Specific taxa involved in C, N, and P cycles were identified for each soil. For the soil bacterial composition of vermicompost, only chicken and sheep–chicken manures were more dissimilar to control and natural soils after 12 months, while greenhouse crop compost showed an intermediate position between them. Results indicated that composted greenhouse crop remains could be an optimal treatment for the short-term recovery of physico-chemical properties, nutrient content, and bacterial composition of agriculture-degraded soils in semi-arid areas.
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spelling oai:repositorio.ual.es:10835-141832023-04-12T18:53:27Z Short-Term Dynamics of Bacterial Community Structure in Restored Abandoned Agricultural Soils under Semi-Arid Conditions Rodríguez Fernández, Natalia Soria Martínez, Rocío Villafuerte Acuña, Ana Ortega Pérez, Raúl Miralles Mellado, Isabel ecological restoration carbon nitrogen phosphorus metagenomic analysis bacterial community composition The restoration of unproductive abandoned agricultural soils under a semi-arid climate in southeastern Spain was evaluated. Four organic amendments from different composted wastes (greenhouse crop residues; worm compost from sheep–cow manure and plant remains; chicken manure; and sheep–chicken manure and plant remain) were applied, untreated control plots were installed, and natural unexploited soils were selected as a reference ecosystem. Through three sampling campaigns (initial, 3 months, and 12 months), significant changes were observed in soil physico-chemical properties, nutrient content (carbon -C-, nitrogen -N-, and phosphorus -P-), and bacterial composition of the restored soils with respect to control and natural soil, especially at 3 months. The increase of labile nutrients caused the proliferation of copiotrophic phyla at 3 months, which, after their consumption, were replaced by oligotrophic phyla at 12 months. Specific taxa involved in C, N, and P cycles were identified for each soil. For the soil bacterial composition of vermicompost, only chicken and sheep–chicken manures were more dissimilar to control and natural soils after 12 months, while greenhouse crop compost showed an intermediate position between them. Results indicated that composted greenhouse crop remains could be an optimal treatment for the short-term recovery of physico-chemical properties, nutrient content, and bacterial composition of agriculture-degraded soils in semi-arid areas. 2023-01-26T07:26:46Z 2023-01-26T07:26:46Z 2022-12-27 info:eu-repo/semantics/article 2073-4395 http://hdl.handle.net/10835/14183 10.3390/agronomy13010086 en https://www.mdpi.com/2073-4395/13/1/86 Attribution-NonCommercial-NoDerivatives 4.0 Internacional http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess MDPI
spellingShingle ecological restoration
carbon
nitrogen
phosphorus
metagenomic analysis
bacterial community composition
Rodríguez Fernández, Natalia
Soria Martínez, Rocío
Villafuerte Acuña, Ana
Ortega Pérez, Raúl
Miralles Mellado, Isabel
Short-Term Dynamics of Bacterial Community Structure in Restored Abandoned Agricultural Soils under Semi-Arid Conditions
title Short-Term Dynamics of Bacterial Community Structure in Restored Abandoned Agricultural Soils under Semi-Arid Conditions
title_full Short-Term Dynamics of Bacterial Community Structure in Restored Abandoned Agricultural Soils under Semi-Arid Conditions
title_fullStr Short-Term Dynamics of Bacterial Community Structure in Restored Abandoned Agricultural Soils under Semi-Arid Conditions
title_full_unstemmed Short-Term Dynamics of Bacterial Community Structure in Restored Abandoned Agricultural Soils under Semi-Arid Conditions
title_short Short-Term Dynamics of Bacterial Community Structure in Restored Abandoned Agricultural Soils under Semi-Arid Conditions
title_sort short-term dynamics of bacterial community structure in restored abandoned agricultural soils under semi-arid conditions
topic ecological restoration
carbon
nitrogen
phosphorus
metagenomic analysis
bacterial community composition
url http://hdl.handle.net/10835/14183
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