Effects of elevated O-3 and CO2 on the relative contribution of carbohydrates to soil organic matter in an agricultural soil
文献类型：期刊论文
| 作者 | Chen, Xin1; Li, Qi2; Lu, Caiyan1; Cao, Yanhong1,3; He, Chuanrui1,3; Bao, Xuelian2; Fang, Rui4; Wang, Yongzhuang1,3; Shi, Yi1 |
| 刊名 | SOIL & TILLAGE RESEARCH
 |
| 出版日期 | 2016-06-01 |
| 卷号 | 159页码:47-55 |
| 关键词 | n Fertilization Non-cellulosic Carbohydrates Soil Organic Matter |
| ISSN号 | 0167-1987 |
| DOI | 10.1016/j.still.2016.02.001 |
| 英文摘要 | As labile fraction of soil organic matter, soil carbohydrates are sensitive to environmental changes due to their high turnover rates. The effects of elevated O-3 and CO2 on the concentration and composition of soil carbohydrates in agroecosystems have been rarely studied. The present experiment was conducted to investigate the dynamics of the concentration and composition of neutral sugars in soil under the influence of elevated O-3 and CO2 with different N application rates (150 kg N ha(-1) and 225 kg N ha(-1)). Our results showed that elevated O-3 decreased soil carbohydrate accumulation, with the effect being more pronounced with high than with low N application rate. Elevated O-3 significantly increased the ratio of (mannose + galactose)/(arabinose + xylose), indicating that elevated O-3 promoted the relative contribution of microbe-derived carbohydrates to soil organic matter (SOM). The high N application rate further increased the contribution of microbe-derived carbohydrates to SOM under elevated O-3 conditions. However, elevated CO2 had no effect on soil carbohydrate accumulation and little effects on carbohydrate composition in the study soil, regardless of N application rates. The elevated O-3-induced effects were not altered by elevated CO2 at the low N application rate, and the change in composition mediated by elevated CO2 was observed only at the high N application rate. Our results suggest that elevated O-3 affected soil carbohydrate accumulation and their composition and that the effects on composition were mediated by elevated CO2 and N application rates. (C) 2016 Elsevier B.V. All rights reserved. |
| WOS研究方向 | Agriculture |
| 语种 | 英语 |
| WOS记录号 | WOS:000371937300006 |
| 出版者 | ELSEVIER SCIENCE BV |
| 源URL | [http://210.72.129.5/handle/321005/122513]  |
| 专题 | 中国科学院沈阳应用生态研究所 |
| 通讯作者 | Lu, Caiyan |
| 作者单位 | 1.Chinese Acad Sci, Inst Appl Ecol, Key Lab Pollut Ecol & Environm Engn, Shenyang 110016, Peoples R China 2.Chinese Acad Sci, Inst Appl Ecol, Shenyang 110164, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 4.Chinese Acad Sci, Northeast Inst Geog & Agroecol, Harbin 150081, Peoples R China |
| 推荐引用方式 GB/T 7714 | Chen, Xin,Li, Qi,Lu, Caiyan,et al. Effects of elevated O-3 and CO2 on the relative contribution of carbohydrates to soil organic matter in an agricultural soil[J]. SOIL & TILLAGE RESEARCH,2016,159:47-55. |
| APA | Chen, Xin.,Li, Qi.,Lu, Caiyan.,Cao, Yanhong.,He, Chuanrui.,...&Shi, Yi.(2016).Effects of elevated O-3 and CO2 on the relative contribution of carbohydrates to soil organic matter in an agricultural soil.SOIL & TILLAGE RESEARCH,159,47-55. |
| MLA | Chen, Xin,et al."Effects of elevated O-3 and CO2 on the relative contribution of carbohydrates to soil organic matter in an agricultural soil".SOIL & TILLAGE RESEARCH 159(2016):47-55. |
入库方式： OAI收割
来源：沈阳应用生态研究所
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