Mineral fertilization impacts microbial activity and endophytic fungi but not microbial biomass in semiarid grasslands
Applications of mineral fertilizer to grasslands have become more frequent in recent decades to increase forage production. However, the impacts of mineral fertilizer on the soil microbiome is poorly understood in cold semiarid grassland ecosystems of Southern Patagonia, Argentina. Therefore, our ob...
| Autores principales: | , , |
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| Formato: | Artículo |
| Lenguaje: | Inglés |
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Elsevier
2024
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| Acceso en línea: | http://hdl.handle.net/20.500.12123/16462 https://www.sciencedirect.com/science/article/pii/S0031405623079970 https://doi.org/10.1016/j.pedobi.2023.150929 |
| _version_ | 1855485767734788096 |
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| author | Toledo, Santiago Gargaglione, Veronica Beatriz Peri, Pablo Luis |
| author_browse | Gargaglione, Veronica Beatriz Peri, Pablo Luis Toledo, Santiago |
| author_facet | Toledo, Santiago Gargaglione, Veronica Beatriz Peri, Pablo Luis |
| author_sort | Toledo, Santiago |
| collection | INTA Digital |
| description | Applications of mineral fertilizer to grasslands have become more frequent in recent decades to increase forage production. However, the impacts of mineral fertilizer on the soil microbiome is poorly understood in cold semiarid grassland ecosystems of Southern Patagonia, Argentina. Therefore, our objective was to analyze experimentally the influence of mineral nutrient fertilization (N, P, K, and NPK in combination) on soil microbial community attributes, such as microbial biomass carbon (MBC) and nitrogen (MBN), soil basal respiration (SBR), microbial metabolic coefficients, the colonization of endophytic fungi such as arbuscular mycorrhizal (AM)
fungi, and dark septate endophytes (DSE), and aboveground plant productivity. Mineral fertilization with macronutrients (N, P, K, and NPK) decreased the SBR, qCO2, AM fungi and DSE fungi, but did not generate changes in MBC and MBN. The magnitude of these responses depends on years after fertilization. We found that soil microbiome was strongly dependent on a range of biotic and abiotic factors, such as growing season precipitation, aboveground plant biomass the relationship between the microbial biomass and microbial respiration, and between endophytic fungi and plants. This work improved our understanding of the soil microorganisms’ response to mineral fertilizer application and provides new insights into soil nutrient dynamics and ecosystem
functioning. |
| format | Artículo |
| id | INTA16462 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2024 |
| publishDateRange | 2024 |
| publishDateSort | 2024 |
| publisher | Elsevier |
| publisherStr | Elsevier |
| record_format | dspace |
| spelling | INTA164622024-01-05T16:11:00Z Mineral fertilization impacts microbial activity and endophytic fungi but not microbial biomass in semiarid grasslands Toledo, Santiago Gargaglione, Veronica Beatriz Peri, Pablo Luis Grasslands Arbuscular Mycorrhiza Microbiomes Fertilizer Application Mineral Nutrients Semiarid Zones Nitrogen Phosphorus Potassium Primary Nutrients Praderas Micorrizas Arbusculares Microbiomas Aplicación de Abonos Nutrientes Minerales Zona Semiárida Nitrógeno Fósforo Potasio Nutrientes Primarios Santa Cruz (Argentina) Soil Microbiome Semiarid Grassland Ecosystems Microbial Biomass Carbon Microbial Biomass Nitrogen Microbioma del Suelo Ecosistemas de Pastizales Semiáridos Carbono de Biomasa Microbiana Nitrógeno de Biomasa Microbiana Región Patagónica Applications of mineral fertilizer to grasslands have become more frequent in recent decades to increase forage production. However, the impacts of mineral fertilizer on the soil microbiome is poorly understood in cold semiarid grassland ecosystems of Southern Patagonia, Argentina. Therefore, our objective was to analyze experimentally the influence of mineral nutrient fertilization (N, P, K, and NPK in combination) on soil microbial community attributes, such as microbial biomass carbon (MBC) and nitrogen (MBN), soil basal respiration (SBR), microbial metabolic coefficients, the colonization of endophytic fungi such as arbuscular mycorrhizal (AM) fungi, and dark septate endophytes (DSE), and aboveground plant productivity. Mineral fertilization with macronutrients (N, P, K, and NPK) decreased the SBR, qCO2, AM fungi and DSE fungi, but did not generate changes in MBC and MBN. The magnitude of these responses depends on years after fertilization. We found that soil microbiome was strongly dependent on a range of biotic and abiotic factors, such as growing season precipitation, aboveground plant biomass the relationship between the microbial biomass and microbial respiration, and between endophytic fungi and plants. This work improved our understanding of the soil microorganisms’ response to mineral fertilizer application and provides new insights into soil nutrient dynamics and ecosystem functioning. EEA Santa Cruz Fil: Toledo, Santiago: Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Santa Cruz; Argentina. Fil: Toledo, Santiago. Consejo Nacional de Investigaciones Científicas y Técnicas. CIT Santa Cruz; Argentina. Fil: Gargaglione Verónica Beatriz. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Santa Cruz; Argentina. Fil: Gargaglione Verónica Beatriz. Universidad Nacional de la Patagonia Austral; Argentina. Fil: Gargaglione Verónica Beatriz. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Fil: Peri, Pablo Luis. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Santa Cruz; Argentina. Fil: Peri, Pablo Luis. Universidad Nacional de la Patagonia Austral; Argentina. Fil: Peri, Pablo Luis. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. 2024-01-05T15:02:07Z 2024-01-05T15:02:07Z 2024-01 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/16462 https://www.sciencedirect.com/science/article/pii/S0031405623079970 Toledo, S., Gargaglione V., Peri, P. L. (2024). Mineral fertilization impacts microbial activity and endophytic fungi but not microbial biomass in semiarid grasslands. Pedobiologia, 150929. https://doi.org/10.1016/j.pedobi.2023.150929. 0031-4056 https://doi.org/10.1016/j.pedobi.2023.150929 eng info:eu-repo/semantics/restrictedAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf Elsevier Pedobiologia 102 : 150929 (2024) |
| spellingShingle | Grasslands Arbuscular Mycorrhiza Microbiomes Fertilizer Application Mineral Nutrients Semiarid Zones Nitrogen Phosphorus Potassium Primary Nutrients Praderas Micorrizas Arbusculares Microbiomas Aplicación de Abonos Nutrientes Minerales Zona Semiárida Nitrógeno Fósforo Potasio Nutrientes Primarios Santa Cruz (Argentina) Soil Microbiome Semiarid Grassland Ecosystems Microbial Biomass Carbon Microbial Biomass Nitrogen Microbioma del Suelo Ecosistemas de Pastizales Semiáridos Carbono de Biomasa Microbiana Nitrógeno de Biomasa Microbiana Región Patagónica Toledo, Santiago Gargaglione, Veronica Beatriz Peri, Pablo Luis Mineral fertilization impacts microbial activity and endophytic fungi but not microbial biomass in semiarid grasslands |
| title | Mineral fertilization impacts microbial activity and endophytic fungi but not microbial biomass in semiarid grasslands |
| title_full | Mineral fertilization impacts microbial activity and endophytic fungi but not microbial biomass in semiarid grasslands |
| title_fullStr | Mineral fertilization impacts microbial activity and endophytic fungi but not microbial biomass in semiarid grasslands |
| title_full_unstemmed | Mineral fertilization impacts microbial activity and endophytic fungi but not microbial biomass in semiarid grasslands |
| title_short | Mineral fertilization impacts microbial activity and endophytic fungi but not microbial biomass in semiarid grasslands |
| title_sort | mineral fertilization impacts microbial activity and endophytic fungi but not microbial biomass in semiarid grasslands |
| topic | Grasslands Arbuscular Mycorrhiza Microbiomes Fertilizer Application Mineral Nutrients Semiarid Zones Nitrogen Phosphorus Potassium Primary Nutrients Praderas Micorrizas Arbusculares Microbiomas Aplicación de Abonos Nutrientes Minerales Zona Semiárida Nitrógeno Fósforo Potasio Nutrientes Primarios Santa Cruz (Argentina) Soil Microbiome Semiarid Grassland Ecosystems Microbial Biomass Carbon Microbial Biomass Nitrogen Microbioma del Suelo Ecosistemas de Pastizales Semiáridos Carbono de Biomasa Microbiana Nitrógeno de Biomasa Microbiana Región Patagónica |
| url | http://hdl.handle.net/20.500.12123/16462 https://www.sciencedirect.com/science/article/pii/S0031405623079970 https://doi.org/10.1016/j.pedobi.2023.150929 |
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