Deciphering biochar compost co-application impact on microbial communities mediating carbon and nitrogen transformation across different stages of corn development
Copyright © 2022 Elsevier Inc. All rights reserved..
Under current climatic conditions, developing eco-friendly and climate-smart fertilizers has become increasingly important.The co-application of biochar and compost on agricultural soils has received considerable attention recently.Unfortunately, little is known about its effects on specific microbial taxa involved in carbon and nitrogen transformation in the soil.Herein, we report the efficacy of applying biochar-based amendments on soil physicochemical indices, enzymatic activity, functional genes, bacterial community, and their network patterns in corn rhizosphere at seedling (SS), flowering (FS), and maturity (MS) stages.The applied treatments were: compost alone (COM), biochar alone (BIOC), composted biochar (CMB), fortified compost (CMWB), and the control (no fertilizer (CNTRL).The non-metric multidimensional scaling (NMDS) indicated total nitrogen (TN), pH, NO3--N, urease, protease, and microbial biomass C (MBC) as the dominant environmental factors driving soil bacteria in this study.The dominant N mediating genes belonged to nitrate reductase (narG) and nitronate monooxygenase (amo), while beta-galactosidase, catalase, and alpha-amylase were the dominant genes observed relating to C cycling.Interestingly, the abundance of these genes was higher in COM, CMWB, and CMB compared with the CNTRL and BIOC treatments.The bacteria network properties of CWMB and CMB indicated robust niche overlap associated with high cross-feeding between bacterial communities compared to other treatments.Path and stepwise regression analyses revealed norank_Reyranellaceae and Sphingopyxis in CMWB as the major bacterial genera and the major predictive indices mediating soil organic C (SOC), NH4+-N, NO3--N, and TN transformation.Overall, biochar with compost amendments improved soil nutrient conditions, regulated the composition of the bacterial community, and benefited C/N cycling in the soil ecosystem.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:219 |
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| Enthalten in: |
Environmental research - 219(2023) vom: 15. Feb., Seite 115123 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Bello, Ayodeji [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 17.01.2023 Date Revised 23.02.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.envres.2022.115123 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM350610169 |
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| 100 | 1 | |a Bello, Ayodeji |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Deciphering biochar compost co-application impact on microbial communities mediating carbon and nitrogen transformation across different stages of corn development |
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| 500 | |a Date Revised 23.02.2023 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2022 Elsevier Inc. All rights reserved. | ||
| 520 | |a Under current climatic conditions, developing eco-friendly and climate-smart fertilizers has become increasingly important.The co-application of biochar and compost on agricultural soils has received considerable attention recently.Unfortunately, little is known about its effects on specific microbial taxa involved in carbon and nitrogen transformation in the soil.Herein, we report the efficacy of applying biochar-based amendments on soil physicochemical indices, enzymatic activity, functional genes, bacterial community, and their network patterns in corn rhizosphere at seedling (SS), flowering (FS), and maturity (MS) stages.The applied treatments were: compost alone (COM), biochar alone (BIOC), composted biochar (CMB), fortified compost (CMWB), and the control (no fertilizer (CNTRL).The non-metric multidimensional scaling (NMDS) indicated total nitrogen (TN), pH, NO3--N, urease, protease, and microbial biomass C (MBC) as the dominant environmental factors driving soil bacteria in this study.The dominant N mediating genes belonged to nitrate reductase (narG) and nitronate monooxygenase (amo), while beta-galactosidase, catalase, and alpha-amylase were the dominant genes observed relating to C cycling.Interestingly, the abundance of these genes was higher in COM, CMWB, and CMB compared with the CNTRL and BIOC treatments.The bacteria network properties of CWMB and CMB indicated robust niche overlap associated with high cross-feeding between bacterial communities compared to other treatments.Path and stepwise regression analyses revealed norank_Reyranellaceae and Sphingopyxis in CMWB as the major bacterial genera and the major predictive indices mediating soil organic C (SOC), NH4+-N, NO3--N, and TN transformation.Overall, biochar with compost amendments improved soil nutrient conditions, regulated the composition of the bacterial community, and benefited C/N cycling in the soil ecosystem | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a Biochar-compost | |
| 650 | 4 | |a Carbon and nitrogen cycling | |
| 650 | 4 | |a Enzymes | |
| 650 | 4 | |a Functional genes | |
| 650 | 4 | |a Network topology | |
| 650 | 4 | |a Path analysis | |
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| 650 | 7 | |a Carbon |2 NLM | |
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| 650 | 7 | |a Nitrogen |2 NLM | |
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| 650 | 7 | |a Soil |2 NLM | |
| 650 | 7 | |a Fertilizers |2 NLM | |
| 700 | 1 | |a Liu, Wanying |e verfasserin |4 aut | |
| 700 | 1 | |a Chang, Nuo |e verfasserin |4 aut | |
| 700 | 1 | |a Erinle, Kehinde Olajide |e verfasserin |4 aut | |
| 700 | 1 | |a Deng, Liting |e verfasserin |4 aut | |
| 700 | 1 | |a Egbeagu, Ugochi Uzoamaka |e verfasserin |4 aut | |
| 700 | 1 | |a Babalola, Busayo Joshua |e verfasserin |4 aut | |
| 700 | 1 | |a Yue, Han |e verfasserin |4 aut | |
| 700 | 1 | |a Sun, Yu |e verfasserin |4 aut | |
| 700 | 1 | |a Wei, Zimin |e verfasserin |4 aut | |
| 700 | 1 | |a Xu, Xiuhong |e verfasserin |4 aut | |
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