Knowledge Resource Center for Ecological Environment in Arid Area
| Modeling of Effectiveness Assessment on N2O Emission Reduction in Farmland under Drip Irrigation and Fertilization | |
| Wang, Weihan | |
| 通讯作者 | Wang, Weihan |
| 来源期刊 | EKOLOJI
 |
| ISSN | 1300-1361 |
| 出版年 | 2019 |
| 卷号 | 28期号:107页码:2161-2171 |
| 英文摘要 | Drip irrigation and fertilization is the most effective water-saving irrigation method in arid areas of China, which has an important impact on mineralization and decomposition of organic matter in farmlands, nitrogen migration and transformation, affecting the production and emission of N2O. The effectiveness assessment model of N2O emission reduction in farmland under drip irrigation and fertilization is designed. The N2O gas is collected by automatic static chamber-gas chromatography, and the data of N2O gas are calculated and analyzed. On this basis, the assessment index system of N2O emission reduction effect of farmland under drip irrigation and fertilization is constructed. The system is composed of target layer, factor layer and index layer. Based on the index system, a fuzzy comprehensive assessment method is constructed. Combined with the N2O gas data calculation and analysis results, the N2O emission reduction effect of farmland under drip irrigation and fertilization is comprehensively evaluated. The results show that the appropriate management mode of drip irrigation and fertilization can reduce the intensity of N2O emission. The designed model can effectively assess the effect of N2O emission reduction in farmland under drip irrigation and fertilization, and has high assessment accuracy and time efficiency. |
| 英文关键词 | drip irrigation and fertilization farmland N2O emission reduction effect assessment index system |
| 类型 | Article |
| 语种 | 英语 |
| 国家 | Peoples R China |
| 收录类别 | SCI-E |
| WOS记录号 | WOS:000461678300245 |
| WOS关键词 | SOIL CO2 ; FIELDS ; CARBON ; WATER ; CH4 |
| WOS类目 | Ecology |
| WOS研究方向 | Environmental Sciences & Ecology |
| 资源类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/215338 |
| 作者单位 | Zhejiang Univ Water Resources & Elect Power, Acad Affairs Off, Hangzhou 310018, Zhejiang, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wang, Weihan. Modeling of Effectiveness Assessment on N2O Emission Reduction in Farmland under Drip Irrigation and Fertilization[J],2019,28(107):2161-2171. |
| APA | Wang, Weihan.(2019).Modeling of Effectiveness Assessment on N2O Emission Reduction in Farmland under Drip Irrigation and Fertilization.EKOLOJI,28(107),2161-2171. |
| MLA | Wang, Weihan."Modeling of Effectiveness Assessment on N2O Emission Reduction in Farmland under Drip Irrigation and Fertilization".EKOLOJI 28.107(2019):2161-2171. |
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