Dynamic Changes of Soil Aggregate and Organic Carbon in Xinjiang Paddy Soil

TANG Guang-mu; XU Wan-li; GE Chun-hui; MA Hai-gang; ZHENG Jin-wei; LI Lian-qing; PAN Gen-xing

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Dynamic Changes of Soil Aggregate and Organic Carbon in Xinjiang Paddy Soil

更新时间：2024-11-07

- Dynamic Changes of Soil Aggregate and Organic Carbon in Xinjiang Paddy Soil
- Vol. 25, Issue 5, (2011)
- 作者机构：
  
  1. 新疆农业科学院土壤肥料与农业节水研究所
  2. 南京农业大学农业资源与生态环境研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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TANG Guang-mu, XU Wan-li, GE Chun-hui, et al. Dynamic Changes of Soil Aggregate and Organic Carbon in Xinjiang Paddy Soil[J]. 2011, 25(5).
DOI：

TANG Guang-mu, XU Wan-li, GE Chun-hui, et al. Dynamic Changes of Soil Aggregate and Organic Carbon in Xinjiang Paddy Soil[J]. 2011, 25(5). DOI：

摘要

土壤团聚体是土壤结构的基本单元

对土壤物理化学性质及生物化学性质具有重要影响。通过湿筛法对新疆水稻土团聚体及其有机碳的变化进行研究。结果表明:稻田土壤总有机碳随着种植水稻时间的延长而增加

种植水稻100a土壤总有机碳比荒地的增加了28.35g/kg;荒地开垦种植水稻后

随着种稻时间的延长

土壤水稳性团聚体(>250μm)和微团聚体(53～250μm)显著增加

<53μm矿物结合态团聚体则显著下降;水稳性团聚体和微团聚体有机碳随植稻时间的延长而显著增加

矿物结合态有机碳含量呈现下降趋势

不同粒级土壤团聚体有机碳之间存在明显差异。荒地开垦种植水稻有利于新疆水稻田土壤总有机碳、水稳性团聚体及其有机碳的积累

有利于土壤结构的改善和提高。

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HE Shu-qin1,ZHENG Zi-cheng2,GONG Yuan-bo1(1.Key Lab.of Forestry Ecological Engineering of Sichuan Province,College of Forestry,Sichuan Agricultural University,Yaan,Sichuan 625014,2.College of Resources and Environment,)

Zhejiang Key Laboratory of Soil Remediation and Quality Improvement

Institute of Environment Resource and Soil Fertilizer， Zhejiang Academy of Agricultural Sciences

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