Characteristics of Soil Organic Carbon in Different Sizes of Aggregates Under Tamrindus Artificial Forest

YUE Xue-wen; PENG Hui; QIAN Kun-jian; LI Ji-chao; PAN Zhi-xian; FANG Hai-dong; YAN Bang-guo; JI Zhong-hua

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Characteristics of Soil Organic Carbon in Different Sizes of Aggregates Under Tamrindus Artificial Forest

- Characteristics of Soil Organic Carbon in Different Sizes of Aggregates Under Tamrindus Artificial Forest
- Bulletin of Soiland Water Conservation Vol. 32, Issue 1, Pages: 58-61(2013)
- 作者机构：
  
  云南省农业科学院热区生态农业研究所, 云南元谋,651300
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2013
- 稿件说明：
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YUE Xue-wen, PENG Hui, QIAN Kun-jian, et al. Characteristics of Soil Organic Carbon in Different Sizes of Aggregates Under Tamrindus Artificial Forest[J]. Bulletin of Soiland Water Conservation, 2013, 32(1): 58-61.
DOI：

YUE Xue-wen, PENG Hui, QIAN Kun-jian, et al. Characteristics of Soil Organic Carbon in Different Sizes of Aggregates Under Tamrindus Artificial Forest[J]. Bulletin of Soiland Water Conservation, 2013, 32(1): 58-61. DOI：

摘要

研究了干热河谷地区不同种植方式的罗望子人工林内0—10

10—20

20—40cm土层土壤团聚体中的有机碳分布特征。结果表明

在所有样地中

1～0.5

0.5～0.25mm这2个径级的土壤团聚体有机碳最高

10～5mm团聚体有机碳最低。不同种植方式的人工林土壤团聚体有机碳差异较大

其中以罗望子+乡土草本

罗望子+百喜草2种种植方式的团聚体有机碳最高

罗望子+余甘子混交林内最低

但罗望子+乡土草本方式的团聚体有机碳高于罗望子+百喜草方式。光板地土壤团聚体有机碳在3个土层的差异较小。

Abstract

Characteristics of soil organic carbon for different sizes of soil aggregates within 0-10

10-20and20-40cm layers were studied under different planting patterns of Tamrindusin the dry-hot valley of the Jinsha River.Results showed that the content of soil organic carbon was the highest for 1～0.5and 0.5～0.25mm aggregates

but the lowest for 10～5mm aggregates.There were significant variations in different planting patterns of Tamrindus artificial forest.The content of soil organic carbon was the highest in Tamrindus+local herbs and Tamrindus+Paspalum natatu artificial forest and however

the former was greater thanthe latter.The content of soil organic carbon was the lowest in Tamrindus+Phyllanthi emblice artificial forest.The content of soil organic carbon in the three layers had small change in bare land.

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