The remediation effects of microbial organic fertilizer on soil microorganisms after chloropicrin fumigation
Copyright © 2022 The Authors. Published by Elsevier Inc. All rights reserved..
Soil fumigation with chloropicrin (CP) is an effective means of overcoming continuous cropping obstacles (CCO) in Panax notoginseng and improving its yield and quality. CP fumigation can change the microbial community of soil. Therefore, a key step after CP fumigation is the rapid restoration of soil microorganisms and the promotion of beneficial microorganism proliferation as the dominant flora. In this study, continuously cropped soil of P. notoginseng was fumigated with CP, and general organic fertilizer (GOF) or microbial organic fertilizer (MOF) was used to restore soil microorganisms after fumigation. Soil physical and chemical properties, soil microorganisms, and quality of P. notoginseng were investigated. The application of MOF and GOF after CP fumigation promoted increases in soil nitrogen (9.88% and 8.21%, respectively), phosphorus (21.39% and 11.57%, respectively), potassium (7.99% and 2.75%, respectively), and the quality of P. notoginseng; it also promoted the accumulation of saponins in the main roots (23.62% and 9.12%, respectively). Application of MOF and GOF can restore the diversity of microorganisms in the soil. MOF increased the relative abundance of the beneficial soil microorganisms Glomeromycota, Mortierellomycota, Humicola and Bacillus, thereby lowering the relative abundance of the harmful Ascomycota and Fusarium relative to GOF. In summary, CP fumigation reduces the diversity of microorganisms in the soil. The addition of organic fertilizer can promote microbial diversity and increase the relative abundance of beneficial species. Moreover, the promotion effect of MOF is better than that of GOF, thereby improving soil fertility and ultimately promoting the quality and yield of P. notoginseng.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:231 |
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| Enthalten in: |
Ecotoxicology and environmental safety - 231(2022) vom: 01. Feb., Seite 113188 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Pu, Rongfeng [VerfasserIn] |
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| Links: |
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| Themen: |
Chloropicrin |
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| Anmerkungen: |
Date Completed 08.02.2022 Date Revised 08.02.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.ecoenv.2022.113188 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Copyright © 2022 The Authors. Published by Elsevier Inc. All rights reserved. | ||
| 520 | |a Soil fumigation with chloropicrin (CP) is an effective means of overcoming continuous cropping obstacles (CCO) in Panax notoginseng and improving its yield and quality. CP fumigation can change the microbial community of soil. Therefore, a key step after CP fumigation is the rapid restoration of soil microorganisms and the promotion of beneficial microorganism proliferation as the dominant flora. In this study, continuously cropped soil of P. notoginseng was fumigated with CP, and general organic fertilizer (GOF) or microbial organic fertilizer (MOF) was used to restore soil microorganisms after fumigation. Soil physical and chemical properties, soil microorganisms, and quality of P. notoginseng were investigated. The application of MOF and GOF after CP fumigation promoted increases in soil nitrogen (9.88% and 8.21%, respectively), phosphorus (21.39% and 11.57%, respectively), potassium (7.99% and 2.75%, respectively), and the quality of P. notoginseng; it also promoted the accumulation of saponins in the main roots (23.62% and 9.12%, respectively). Application of MOF and GOF can restore the diversity of microorganisms in the soil. MOF increased the relative abundance of the beneficial soil microorganisms Glomeromycota, Mortierellomycota, Humicola and Bacillus, thereby lowering the relative abundance of the harmful Ascomycota and Fusarium relative to GOF. In summary, CP fumigation reduces the diversity of microorganisms in the soil. The addition of organic fertilizer can promote microbial diversity and increase the relative abundance of beneficial species. Moreover, the promotion effect of MOF is better than that of GOF, thereby improving soil fertility and ultimately promoting the quality and yield of P. notoginseng | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Chloropicrin | |
| 650 | 4 | |a Microbial diversity | |
| 650 | 4 | |a Organic fertilizer | |
| 650 | 4 | |a P. notoginseng | |
| 650 | 4 | |a Soil microorganisms | |
| 650 | 7 | |a Fertilizers |2 NLM | |
| 650 | 7 | |a Hydrocarbons, Chlorinated |2 NLM | |
| 650 | 7 | |a Soil |2 NLM | |
| 650 | 7 | |a chloropicrin |2 NLM | |
| 650 | 7 | |a I4JTX7Z7U2 |2 NLM | |
| 700 | 1 | |a Wang, Panpan |e verfasserin |4 aut | |
| 700 | 1 | |a Guo, Lanping |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Minghua |e verfasserin |4 aut | |
| 700 | 1 | |a Cui, Xiuming |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Chengxiao |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Yuan |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Ye |e verfasserin |4 aut | |
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