Greenhouse Gas Emissions and Bacterial Community Structure as Influenced by Biodegradable Film Mulching in Eastern China
Machine transplanting technology of biodegradable films has solved the problems of the higher cost of artificial film and the serious environmental pollution of polyethylene film residue. Previous studies have shown the positive impact of mulching on mitigating global warming potential. However, the...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-05-01
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| Series: | Agronomy |
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| Online Access: | https://www.mdpi.com/2073-4395/13/6/1535 |
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| author | Jiahuan Xiong Tiancheng Ye Kaixuan Sun Yizhuo Gao Huizhe Chen Jing Xiang Yaliang Wang Zhigang Wang Yuping Zhang Yikai Zhang |
| author_facet | Jiahuan Xiong Tiancheng Ye Kaixuan Sun Yizhuo Gao Huizhe Chen Jing Xiang Yaliang Wang Zhigang Wang Yuping Zhang Yikai Zhang |
| author_sort | Jiahuan Xiong |
| collection | DOAJ |
| description | Machine transplanting technology of biodegradable films has solved the problems of the higher cost of artificial film and the serious environmental pollution of polyethylene film residue. Previous studies have shown the positive impact of mulching on mitigating global warming potential. However, the mechanisms underlying the association between greenhouse gas emissions and the bacterial community structure in paddy field soil with biodegradable film mulching (BM) still remain limited. In this study, greenhouse gas emissions and the associated bacterial community in non-mulching, biodegradable mulching in a paddy field in Eastern China were analyzed over the 2019 and 2020 rice growing seasons. Rice mulching cultivation significantly inhibited CH<sub>4</sub> emissions from a rice paddy, mainly due to the significant reduction in methane emission peaks. Film mulching significantly increased the diversity of the bacterial community as revealed by 16S rRNA gene sequencing. The relative abundance of methanogens was decreased, while the relative abundance of methanotrophs was increased in the paddy soil due to the BM treatment, with the change pattern basically consistent with CH<sub>4</sub> emissions. The N<sub>2</sub>O emissions during the growth period showed a pronounced downward trend. However, the total abundance of bacteria involved in nitrification and denitrification was higher under BM. Mulching cultivation improved the soil nutrient availability and significantly increased the yield by 5.0%. BM inhibited the greenhouse gas emission intensity (GHGI) of the paddy field by 46.9%. Film mechanical transplanting could promote yield increases and significantly mediate the warming potential (GWP) of greenhouse gases in the paddy fields of the Middle-Lower Yangtze Area. The rational use of film mechanical transplanting would play a role in carbon neutrality in paddy fields. This study provided a theoretical basis for paddy field emission reduction and sustainable agricultural development. |
| first_indexed | 2024-03-11T02:52:02Z |
| format | Article |
| id | doaj.art-b05af2e7412744c1b12eaff2bcedcd62 |
| institution | Directory Open Access Journal |
| issn | 2073-4395 |
| language | English |
| last_indexed | 2024-03-11T02:52:02Z |
| publishDate | 2023-05-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Agronomy |
| spelling | doaj.art-b05af2e7412744c1b12eaff2bcedcd622023-11-18T08:54:35ZengMDPI AGAgronomy2073-43952023-05-01136153510.3390/agronomy13061535Greenhouse Gas Emissions and Bacterial Community Structure as Influenced by Biodegradable Film Mulching in Eastern ChinaJiahuan Xiong0Tiancheng Ye1Kaixuan Sun2Yizhuo Gao3Huizhe Chen4Jing Xiang5Yaliang Wang6Zhigang Wang7Yuping Zhang8Yikai Zhang9State Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou 310006, ChinaState Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou 310006, ChinaState Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou 310006, ChinaState Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou 310006, ChinaState Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou 310006, ChinaState Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou 310006, ChinaState Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou 310006, ChinaState Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou 310006, ChinaState Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou 310006, ChinaState Key Laboratory of Rice Biology and Breeding, China National Rice Research Institute, Hangzhou 310006, ChinaMachine transplanting technology of biodegradable films has solved the problems of the higher cost of artificial film and the serious environmental pollution of polyethylene film residue. Previous studies have shown the positive impact of mulching on mitigating global warming potential. However, the mechanisms underlying the association between greenhouse gas emissions and the bacterial community structure in paddy field soil with biodegradable film mulching (BM) still remain limited. In this study, greenhouse gas emissions and the associated bacterial community in non-mulching, biodegradable mulching in a paddy field in Eastern China were analyzed over the 2019 and 2020 rice growing seasons. Rice mulching cultivation significantly inhibited CH<sub>4</sub> emissions from a rice paddy, mainly due to the significant reduction in methane emission peaks. Film mulching significantly increased the diversity of the bacterial community as revealed by 16S rRNA gene sequencing. The relative abundance of methanogens was decreased, while the relative abundance of methanotrophs was increased in the paddy soil due to the BM treatment, with the change pattern basically consistent with CH<sub>4</sub> emissions. The N<sub>2</sub>O emissions during the growth period showed a pronounced downward trend. However, the total abundance of bacteria involved in nitrification and denitrification was higher under BM. Mulching cultivation improved the soil nutrient availability and significantly increased the yield by 5.0%. BM inhibited the greenhouse gas emission intensity (GHGI) of the paddy field by 46.9%. Film mechanical transplanting could promote yield increases and significantly mediate the warming potential (GWP) of greenhouse gases in the paddy fields of the Middle-Lower Yangtze Area. The rational use of film mechanical transplanting would play a role in carbon neutrality in paddy fields. This study provided a theoretical basis for paddy field emission reduction and sustainable agricultural development.https://www.mdpi.com/2073-4395/13/6/1535bacterial community structurebiodegradable filmgreenhouse gasriceyield |
| spellingShingle | Jiahuan Xiong Tiancheng Ye Kaixuan Sun Yizhuo Gao Huizhe Chen Jing Xiang Yaliang Wang Zhigang Wang Yuping Zhang Yikai Zhang Greenhouse Gas Emissions and Bacterial Community Structure as Influenced by Biodegradable Film Mulching in Eastern China Agronomy bacterial community structure biodegradable film greenhouse gas rice yield |
| title | Greenhouse Gas Emissions and Bacterial Community Structure as Influenced by Biodegradable Film Mulching in Eastern China |
| title_full | Greenhouse Gas Emissions and Bacterial Community Structure as Influenced by Biodegradable Film Mulching in Eastern China |
| title_fullStr | Greenhouse Gas Emissions and Bacterial Community Structure as Influenced by Biodegradable Film Mulching in Eastern China |
| title_full_unstemmed | Greenhouse Gas Emissions and Bacterial Community Structure as Influenced by Biodegradable Film Mulching in Eastern China |
| title_short | Greenhouse Gas Emissions and Bacterial Community Structure as Influenced by Biodegradable Film Mulching in Eastern China |
| title_sort | greenhouse gas emissions and bacterial community structure as influenced by biodegradable film mulching in eastern china |
| topic | bacterial community structure biodegradable film greenhouse gas rice yield |
| url | https://www.mdpi.com/2073-4395/13/6/1535 |
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