Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1111/gcb.13737 |
Higher yields and lower methane emissions with new rice cultivars | |
Jiang, Yu1,2; van Groenigen, Kees Jan3,4; Huang, Shan5; Hungate, Bruce A.6; van Kessel, Chris4; Hu, Shuijin1,7; Zhang, Jun2; Wu, Lianhai8; Yan, Xiaojun1; Wang, Lili1; Chen, Jin9; Hang, Xiaoning10; Zhang, Yi1; Horwath, William R.11; Ye, Rongzhong12; Linquist, Bruce A.4; Song, Zhenwei2; Zheng, Chengyan2; Deng, Aixing2; Zhang, Weijian1,2 | |
2017-11-01 | |
发表期刊 | GLOBAL CHANGE BIOLOGY |
ISSN | 1354-1013 |
EISSN | 1365-2486 |
出版年 | 2017 |
卷号 | 23期号:11 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China; England; USA |
英文摘要 | Breeding high-yielding rice cultivars through increasing biomass is a key strategy to meet rising global food demands. Yet, increasing rice growth can stimulate methane (CH4) emissions, exacerbating global climate change, as rice cultivation is a major source of this powerful greenhouse gas. Here, we show in a series of experiments that high-yielding rice cultivars actually reduce CH4 emissions from typical paddy soils. Averaged across 33 rice cultivars, a biomass increase of 10% resulted in a 10.3% decrease in CH4 emissions in a soil with a high carbon (C) content. Compared to a low-yielding cultivar, a high-yielding cultivar significantly increased root porosity and the abundance of methane-consuming microorganisms, suggesting that the larger and more porous root systems of high-yielding cultivars facilitated CH4 oxidation by promoting O-2 transport to soils. Our results were further supported by a meta-analysis, showing that high-yielding rice cultivars strongly decrease CH4 emissions from paddy soils with high organic C contents. Based on our results, increasing rice biomass by 10% could reduce annual CH4 emissions from Chinese rice agriculture by 7.1%. Our findings suggest that modern rice breeding strategies for high-yielding cultivars can substantially mitigate paddy CH4 emission in China and other rice growing regions. |
英文关键词 | meta-analysis methanogenesis methanotrophy roots soil carbon |
领域 | 气候变化 ; 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000412322700024 |
WOS关键词 | GREENHOUSE-GAS EMISSIONS ; NITROUS-OXIDE EMISSIONS ; 16S RIBOSOMAL-RNA ; RAIN-FED RICE ; ORGANIC-CARBON ; CH4 EMISSIONS ; CROP RESIDUE ; SOIL CARBON ; FIELDS ; CHINA |
WOS类目 | Biodiversity Conservation ; Ecology ; Environmental Sciences |
WOS研究方向 | Biodiversity & Conservation ; Environmental Sciences & Ecology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/17218 |
专题 | 气候变化 资源环境科学 |
作者单位 | 1.Nanjing Agr Univ, Inst Appl Ecol, Nanjing, Jiangsu, Peoples R China; 2.Chinese Acad Agr Sci, Minist Agr, Key Lab Crop Physiol & Ecol, Inst Crop Sci, Beijing, Peoples R China; 3.Univ Exeter, Coll Life & Environm Sci, Geog, Exeter, Devon, England; 4.Univ Calif Davis, Dept Plant Sci, Davis, CA 95616 USA; 5.Jiangxi Agr Univ, Jiangxi Key Lab Crop Physiol Ecol & Genet Breedin, Nanchang, Jiangxi, Peoples R China; 6.Univ Arizona, Ctr Ecosyst Sci & Soc, Flagstaff, AZ USA; 7.North Carolina State Univ, Dept Plant Pathol, Raleigh, NC USA; 8.Rothamsted Res, Sustainable Soils & Grassland Syst Dept, Okehampton, England; 9.Jiangxi Acad Agr Sci, Soil & Fertilizer & Resources & Environm Inst, Nanchang, Jiangxi, Peoples R China; 10.Chongqing Acad Agr Sci, Inst Agr Resources & Environm, Chongqing, Peoples R China; 11.Univ Calif Davis, Dept Land Air & Water Resources, Davis, CA 95616 USA; 12.Clemson Univ, Plant & Environm Sci, Clemson, SC USA |
推荐引用方式 GB/T 7714 | Jiang, Yu,van Groenigen, Kees Jan,Huang, Shan,et al. Higher yields and lower methane emissions with new rice cultivars[J]. GLOBAL CHANGE BIOLOGY,2017,23(11). |
APA | Jiang, Yu.,van Groenigen, Kees Jan.,Huang, Shan.,Hungate, Bruce A..,van Kessel, Chris.,...&Zhang, Weijian.(2017).Higher yields and lower methane emissions with new rice cultivars.GLOBAL CHANGE BIOLOGY,23(11). |
MLA | Jiang, Yu,et al."Higher yields and lower methane emissions with new rice cultivars".GLOBAL CHANGE BIOLOGY 23.11(2017). |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论