Soil Anti-erodibility of the Triploid Populus Tomentosa Woodland

DONG Hui-xia; LI Xian-wei; ZHANG Jian; FAN Bing

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Soil Anti-erodibility of the Triploid Populus Tomentosa Woodland

- Soil Anti-erodibility of the Triploid Populus Tomentosa Woodland
- Bulletin of Soiland Water Conservation Vol. 27, Issue 6, Pages: 45-48(2008)
- 作者机构：
  
  1. 河南师范大学生命科学学院,河南,新乡,453007
  2. 四川农业大学生态林业工程重点实验室,四川,雅安,625014
  3. 中国科学院沈阳应用生态研究所,辽宁,沈阳,110016
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2008
- 稿件说明：
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DONG Hui-xia, LI Xian-wei, ZHANG Jian, et al. Soil Anti-erodibility of the Triploid Populus Tomentosa Woodland[J]. Bulletin of Soiland Water Conservation, 2008, 27(6): 45-48.
DOI：

DONG Hui-xia, LI Xian-wei, ZHANG Jian, et al. Soil Anti-erodibility of the Triploid Populus Tomentosa Woodland[J]. Bulletin of Soiland Water Conservation, 2008, 27(6): 45-48. DOI：

摘要

以未退耕的陡坡耕地作对比

对退耕还林4 a后三倍体毛白杨林地两种不同的草本层模式进行的土壤抗蚀性研究表明

两种模式林地内土壤的水稳性团聚体含量在上、中、下层和未退耕地总量差别不大

但林地上层和中层大粒级水稳性团聚体含量明显高于未退耕地;人工草林地有机质比自然草林地略高

但不明显

未退耕地则由于人为增施农家肥而高于林地;以微团聚体含量为基础的各项抗蚀指标

虽一定程度上也表明了林地的抗蚀性高于未退耕地

但不如以水稳性团聚体含量为基础的明显。

Abstract

Research on soil anti-erodibility was conducted for the two types of herbages planted on the triploid Populus tomentosa woodland which was converted from cropland to forest.Results showed that the differences in the content of water stable aggregates in high

middle

and low layers were little in comparison with those on ploughed land.However

the contents of coarse water-stable aggregates in high and middle layers on woodland were far more than those on farmland.The content of organic matter for artificial herbage was greater than that for natural herbage

but the difference was not distinct.The content of organic matter is greater than that on woodland due to farmyard manure.The anti-erodibility index based on micro-aggregates is not prominent in comparison with the content of water-stable aggregates

although it shows that the anti-erodibility of woodland is better than that of farmland to some degree.

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