Simulating the effects of chemical and non-chemical fertilization practices on carbon sequestration and nitrogen loss in subtropical paddy soils using the DNDC model
文献类型：期刊论文
| 作者 | Zhang, Hou-Xi1,2; Sun, Bo1,3; Xie, Xian-Li1; Zhuang, Shun-Yao1 |
| 刊名 | PADDY AND WATER ENVIRONMENT
 |
| 出版日期 | 2015-10-01 |
| 卷号 | 13期号:4页码:495-506 |
| 关键词 | Chemical fertilizer Green manure Nitrogen loss Paddy soil Rice straw Soil organic carbon |
| ISSN号 | 1611-2490 |
| DOI | 10.1007/s10333-014-0467-6 |
| 通讯作者 | Sun, Bo(bsun@issas.ac.cn) |
| 英文摘要 | Understanding the long-term and quantitative effects of different fertilization practices on carbon sequestration and nitrogen loss is important when establishing the best fertilization regime. In this study, the DeNitrification-DeComposition (DNDC) model was validated first for the change of soil organic carbon (SOC) at the site mode and at the regional mode, and then it was used to simulate the effects of three fertilization practices including rice straw (RS) returning, chemical fertilizer application (CF), and green manure planting (GM) on C and N dynamics in paddy soils from a subtropical area of China. The prevailing fertilization practices in the study area were set as the baseline scenario, and alternative scenarios were assigned by varying only one of the three fertilization practices. All three fertilization practices increased SOC content but had different effects on rice yield, N2O emission, and nitrate leaching loss. Compared with a baseline RS rate of 15 %, the SOC contents less than RS rates of 30, 50, and 80 % were increased on average by 12.84, 29.48, and 53.50 %, respectively. SOC content also increased as the CF rate rose from 70 to 130 % of the baseline scenario and then leveled off from 130 to 160 %. SOC contents under GM were higher than that without GM by 35.74 %. Both the N2O emissions and the nitrate leaching were increased with the increasing CF rate, while they decreased under GM treatment. However, RS increased the N2O emissions but decreased the nitrate leaching. The polygon-based modeling method with the DNDC could accurately evaluate the general trend of SOC dynamics and nitrogen loss from paddy soils. |
| 收录类别 | SCI |
| WOS关键词 | ORGANIC-MATTER ; OXIDE EMISSION ; N2O EMISSIONS ; GAS EMISSIONS ; STRAW RETURN ; CHINA ; DYNAMICS ; MANAGEMENT ; SYSTEMS ; FIELD |
| WOS研究方向 | Agriculture |
| WOS类目 | Agricultural Engineering ; Agronomy |
| 语种 | 英语 |
| WOS记录号 | WOS:000360508400019 |
| 出版者 | SPRINGER HEIDELBERG |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2558324 |
| 专题 | 南京土壤研究所 |
| 通讯作者 | Sun, Bo |
| 作者单位 | 1.Chinese Acad Sci, Inst Soil Sci, State Key Lab Soil & Sustainable Agr, Nanjing 210008, Jiangsu, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 3.Chinese Acad Sci, Red Soil Ecol Expt Stn, Natl Engn Res & Technol Ctr Red Soil Improvement, Yingtan 335211, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, Hou-Xi,Sun, Bo,Xie, Xian-Li,et al. Simulating the effects of chemical and non-chemical fertilization practices on carbon sequestration and nitrogen loss in subtropical paddy soils using the DNDC model[J]. PADDY AND WATER ENVIRONMENT,2015,13(4):495-506. |
| APA | Zhang, Hou-Xi,Sun, Bo,Xie, Xian-Li,&Zhuang, Shun-Yao.(2015).Simulating the effects of chemical and non-chemical fertilization practices on carbon sequestration and nitrogen loss in subtropical paddy soils using the DNDC model.PADDY AND WATER ENVIRONMENT,13(4),495-506. |
| MLA | Zhang, Hou-Xi,et al."Simulating the effects of chemical and non-chemical fertilization practices on carbon sequestration and nitrogen loss in subtropical paddy soils using the DNDC model".PADDY AND WATER ENVIRONMENT 13.4(2015):495-506. |
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来源：南京土壤研究所
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