Microbial biomass and metabolic quotient of soils under different land use in the Three Gorges Reservoir area
文献类型：期刊论文
| 作者 | Yan, TM; Yang, LZ; Campbell, CD |
| 刊名 | GEODERMA
 |
| 出版日期 | 2003-07-01 |
| 卷号 | 115期号:1-2页码:129-138 |
| 关键词 | agroforestry microbial biomass respiration metabolic quotient land use |
| ISSN号 | 0016-7061 |
| DOI | 10.1016/S0016-7061(03)00082-X |
| 通讯作者 | Yan, TM() |
| 英文摘要 | Alternative land use systems, and especially agroforestry, are currently being promoted in the Three Gorges area to enhance soil retention and improve soil quality. The soil microbial biomass (C-mic) is intimately associated with the build up of organic matter (C,,). Different land uses including mixed cropping systems were compared with respect to their soil microbial biomass, basal respiration (R), the C-mic/C-org ratio and metabolic quotient. Microbial biomass C of citrus/wheat soils ranged widely from 54 to 194 mug g(-1) soil and formed 0.48-2.11% of the total organic C. For forests, citrus/wheat (wheat area) and tea bush, microbial biomass C as a percent of soil organic C were roughly four times that for citrus and citrus/wheat (citrus area). There were no significant differences between tea bush and forest in microbial biomass C, respiration rate and metabolic quotient. Significant relationships between microbial biomass C, C-mic/C-org ratio and readily available N were found for all samples except citrus/wheat (wheat area) and forest soils. Terraced systems and especially terraced agroforestry promoted the retention of organic matter and this was reflected in the microbial indicators. (C) 2003 Elsevier Science B.V. All rights reserved. |
| 收录类别 | SCI |
| WOS关键词 | ORGANIC-MATTER ; FOREST SOILS ; CARBON ; ACCUMULATION ; STRESS ; QCO2 |
| WOS研究方向 | Agriculture |
| WOS类目 | Soil Science |
| 语种 | 英语 |
| WOS记录号 | WOS:000183271700013 |
| 出版者 | ELSEVIER SCIENCE BV |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2559219 |
| 专题 | 南京土壤研究所 |
| 通讯作者 | Yan, TM |
| 作者单位 | 1.Chinese Acad Sci, Inst Soil Sci, Nanjing 210008, Peoples R China 2.Macaulay Land Use Res Inst, Aberdeen AB15 8QH, Scotland |
| 推荐引用方式 GB/T 7714 | Yan, TM,Yang, LZ,Campbell, CD. Microbial biomass and metabolic quotient of soils under different land use in the Three Gorges Reservoir area[J]. GEODERMA,2003,115(1-2):129-138. |
| APA | Yan, TM,Yang, LZ,&Campbell, CD.(2003).Microbial biomass and metabolic quotient of soils under different land use in the Three Gorges Reservoir area.GEODERMA,115(1-2),129-138. |
| MLA | Yan, TM,et al."Microbial biomass and metabolic quotient of soils under different land use in the Three Gorges Reservoir area".GEODERMA 115.1-2(2003):129-138. |
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来源：南京土壤研究所
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