Mitigating methane emissions and global warming potential while increasing rice yield using biochar derived from leftover rice straw in a tropical paddy soil
Abstract The sustainable management of leftover rice straw through biochar production to mitigate CH4 emissions and enhance rice yield remains uncertain and undefined. Therefore, we evaluated the effects of using biochar derived from rice straw left on fields after harvest on greenhouse gas emission...
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| Format: | Article |
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Nature Portfolio
2024-04-01
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| Series: | Scientific Reports |
| Online Access: | https://doi.org/10.1038/s41598-024-59352-5 |
| _version_ | 1797199512159125504 |
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| author | Saowalak Somboon Benjamas Rossopa Sujitra Yodda Tanabhat-Sakorn Sukitprapanon Amnat Chidthaisong Phrueksa Lawongsa |
| author_facet | Saowalak Somboon Benjamas Rossopa Sujitra Yodda Tanabhat-Sakorn Sukitprapanon Amnat Chidthaisong Phrueksa Lawongsa |
| author_sort | Saowalak Somboon |
| collection | DOAJ |
| description | Abstract The sustainable management of leftover rice straw through biochar production to mitigate CH4 emissions and enhance rice yield remains uncertain and undefined. Therefore, we evaluated the effects of using biochar derived from rice straw left on fields after harvest on greenhouse gas emissions, global warming potential (GWP), and rice yield in the paddy field. The experiment included three treatments: chemical fertilizer (CF), rice straw (RS, 10 t ha−1) + CF, and rice straw-derived biochar (BC, 3 t ha−1 based on the amount of product remaining after pyrolysis) + CF. Compared with CF, BC + CF significantly reduced cumulative CH4 and CO2 emissions, net GWP, and greenhouse gas emission intensity by 42.9%, 37.4%, 39.5%, and 67.8%, respectively. In contrast, RS + CF significantly increased cumulative CH4 emissions and net GWP by 119.3% and 13.8%, respectively. The reduced CH4 emissions were mainly caused by the addition of BC + CF, which did not increase the levels of dissolved organic carbon and microbial biomass carbon, consequently resulting in reduced archaeal abundance, unlike those observed in RS + CF. The BC + CF also enhanced soil total organic carbon content and rice grain yield. This study indicated that using biochar derived from leftover rice straw mitigates greenhouse gas emissions and improves rice productivity in tropical paddy soil. |
| first_indexed | 2024-04-24T07:16:56Z |
| format | Article |
| id | doaj.art-f696817fc25b41348425a795c7986379 |
| institution | Directory Open Access Journal |
| issn | 2045-2322 |
| language | English |
| last_indexed | 2024-04-24T07:16:56Z |
| publishDate | 2024-04-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj.art-f696817fc25b41348425a795c79863792024-04-21T11:15:31ZengNature PortfolioScientific Reports2045-23222024-04-0114111010.1038/s41598-024-59352-5Mitigating methane emissions and global warming potential while increasing rice yield using biochar derived from leftover rice straw in a tropical paddy soilSaowalak Somboon0Benjamas Rossopa1Sujitra Yodda2Tanabhat-Sakorn Sukitprapanon3Amnat Chidthaisong4Phrueksa Lawongsa5Department of Soil Science and Environment, Faculty of Agriculture, Khon Kaen UniversityPrachin Buri Rice Research Center, Rice Department, Ministry of Agriculture and CooperativesProgram on System Approaches in Agriculture for Sustainable Development, Department of Agricultural Extension and Agricultural Systems, Faculty of Agriculture, Khon Kaen UniversityDepartment of Soil Science and Environment, Faculty of Agriculture, Khon Kaen UniversityThe Joint Graduate School of Energy and Environment, King Mongkut’s University of Technology ThonburiDepartment of Soil Science and Environment, Faculty of Agriculture, Khon Kaen UniversityAbstract The sustainable management of leftover rice straw through biochar production to mitigate CH4 emissions and enhance rice yield remains uncertain and undefined. Therefore, we evaluated the effects of using biochar derived from rice straw left on fields after harvest on greenhouse gas emissions, global warming potential (GWP), and rice yield in the paddy field. The experiment included three treatments: chemical fertilizer (CF), rice straw (RS, 10 t ha−1) + CF, and rice straw-derived biochar (BC, 3 t ha−1 based on the amount of product remaining after pyrolysis) + CF. Compared with CF, BC + CF significantly reduced cumulative CH4 and CO2 emissions, net GWP, and greenhouse gas emission intensity by 42.9%, 37.4%, 39.5%, and 67.8%, respectively. In contrast, RS + CF significantly increased cumulative CH4 emissions and net GWP by 119.3% and 13.8%, respectively. The reduced CH4 emissions were mainly caused by the addition of BC + CF, which did not increase the levels of dissolved organic carbon and microbial biomass carbon, consequently resulting in reduced archaeal abundance, unlike those observed in RS + CF. The BC + CF also enhanced soil total organic carbon content and rice grain yield. This study indicated that using biochar derived from leftover rice straw mitigates greenhouse gas emissions and improves rice productivity in tropical paddy soil.https://doi.org/10.1038/s41598-024-59352-5 |
| spellingShingle | Saowalak Somboon Benjamas Rossopa Sujitra Yodda Tanabhat-Sakorn Sukitprapanon Amnat Chidthaisong Phrueksa Lawongsa Mitigating methane emissions and global warming potential while increasing rice yield using biochar derived from leftover rice straw in a tropical paddy soil Scientific Reports |
| title | Mitigating methane emissions and global warming potential while increasing rice yield using biochar derived from leftover rice straw in a tropical paddy soil |
| title_full | Mitigating methane emissions and global warming potential while increasing rice yield using biochar derived from leftover rice straw in a tropical paddy soil |
| title_fullStr | Mitigating methane emissions and global warming potential while increasing rice yield using biochar derived from leftover rice straw in a tropical paddy soil |
| title_full_unstemmed | Mitigating methane emissions and global warming potential while increasing rice yield using biochar derived from leftover rice straw in a tropical paddy soil |
| title_short | Mitigating methane emissions and global warming potential while increasing rice yield using biochar derived from leftover rice straw in a tropical paddy soil |
| title_sort | mitigating methane emissions and global warming potential while increasing rice yield using biochar derived from leftover rice straw in a tropical paddy soil |
| url | https://doi.org/10.1038/s41598-024-59352-5 |
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