Contributions of Organic Nitrogen Forms to Mineralized Nitrogen during Incubation Experiments of the Soils on the Loess Plateau
文献类型：期刊论文
| 作者 | Lu, HL (Lu, Hongling)1,2,3,4 ; Li, SQ (Li, Shiqing)1,2 ; Jin, FH (Jin, Fahui)1,2,5 ; Shao, MA (Shao, Ming'an)1,2 |
| 刊名 | COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS
 |
| 出版日期 | 2009 |
| 卷号 | 40期号:21-22页码:3399-3419 |
| 关键词 | Interval leaching aerobic incubation interval leaching water-logged incubation mineralized N N mineralization organic N forms |
| 通讯作者 | Li, SQ |
| 英文摘要 | Interval leaching long-term water-logged incubation and interval leaching long-term aerobic incubation were carried out to study the changes of different soil organic nitrogen (N) forms and their contributions to mineralized N during N-mineralization process on 10 kinds of farmland soils with markedly different physical and chemical properties on the Loess Plateau. The results showed that the N-mineralization capability and capacity using the two incubation methods were evidently different. After 217 days, cumulative mineralized N, the decreased amounts of total acid-hydrolyzable N, acid-hydrolyzable ammonia N, and acid-hydrolyzable amino acid N in the water-logged incubation were about twice those in the aerobic incubation. Soluble organic N leached in the aerobic incubation was four times that in the water-logged incubation, which implied that organic N in the aerobic incubation mineralized more thoroughly than that in the water-logged incubation. The correlation analysis of the changes of soil organic N forms with crop N uptake showed that the reduced amount of total acid-hydrolyzable N in the water-logged incubation was closely associated with total N uptake by two successive-season crops (winter wheat and summer maize), and the decreased amounts of total acid-hydrolyzable N and amino acid N in the aerobic incubation were highly significantly related to the N uptake of both the first season crop (winter wheat) and successive-season maize. Multiple regression analysis, path analysis, and partial correlation analysis of the changes of soil organic N forms with mineralized N indicated that ammonia N was a main contribution to mineralized N in the water-logged incubation, whereas both acid-hydrolyzable amino acid and ammonia N were main contributions to mineralized N in the aerobic incubation. These results suggested that acid-hydrolyzable ammonia was the primary contribution to mineralized N during N mineralization process with the two incubation methods. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2012-06-14 |
| 源URL | [http://ir.iswc.ac.cn/handle/361005/4836]  |
| 专题 | 水土保持研究所_水保所知识产出(1956-2013) |
| 推荐引用方式 GB/T 7714 | Lu, HL ,Li, SQ ,Jin, FH ,et al. Contributions of Organic Nitrogen Forms to Mineralized Nitrogen during Incubation Experiments of the Soils on the Loess Plateau[J]. COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS,2009,40(21-22):3399-3419. |
| APA | Lu, HL ,Li, SQ ,Jin, FH ,&Shao, MA .(2009).Contributions of Organic Nitrogen Forms to Mineralized Nitrogen during Incubation Experiments of the Soils on the Loess Plateau.COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS,40(21-22),3399-3419. |
| MLA | Lu, HL ,et al."Contributions of Organic Nitrogen Forms to Mineralized Nitrogen during Incubation Experiments of the Soils on the Loess Plateau".COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS 40.21-22(2009):3399-3419. |
入库方式： OAI收割
来源：水土保持研究所
浏览0
下载0
收藏0
其他版本
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。