YUAN Xiao-yu,HAI Chun-xing,LIU Guang-tong.Influence of Different Soil Organic Matters on Resistance to Wind Erosion in North Foot of the Yinshan Mountain[J].Research of Soil and Water Conservation,2007,14(06):302-304.
阴山北麓不同用地土壤有机质含量对抗风蚀的作用研究
- Title:
- Influence of Different Soil Organic Matters on Resistance to Wind Erosion in North Foot of the Yinshan Mountain
- 分类号:
- S157.1
- 摘要:
- 通过对阴山北麓不同土地利用方式下的土地进行野外调查取样和室内理化分析，分析了土壤有机质含量变化过程，研究了土壤有机质含量对抗风蚀的影响。结果表明：土壤有机质含量与土壤抗风蚀强度成正相关关系，随着土壤有机质含量的增加，土壤的抗风蚀强度增强，凡是有机质含量较高的土地利用类型，其土壤的抗风蚀强度较强，人造林地的土壤有机质含量高于未成林林地，而土壤风蚀相对强弱指数小于未成林林地，抗风蚀强度大于未成林林地。因此，应当针对阴山北麓处于西北风主风向地带、风速大、土壤风蚀易发生的实际情况，合理保护和利用有限的土地资源，使土壤资源得以保护。
- Abstract:
- Soil in different ways of land use was investigated and sampled in the north foot of the Yin Mountain and soil physical and chemical characteristics were analyzed in the laboratory.The mutative course to the content of soil organic matters was analyzed and the influence of the content of soil organic matters to the resistance of wind erosion was researched.It shows that the content of soil organic matters has positive relation to the intensity of the soil resistance to wind erosion, that is, the intensity of soil resistance to wind erosion is increasing with the increase of the content of soil organic matters.Its intensity of soil resistance to wind erosion is strong under the ways of land use which the content of soil organic matters is high.The content of soil organic matters on humane-made woodland is bigger than that on immature woodland, but the relative index of the resistance to wind erosion on humane-made woodland is smaller than that on immature woodland, that is, the intensity of soil resistance to wind erosion on humane-made woodland is bigger than that on immature woodland.Consequently, the soil resource should be protected and used reasonably, considered the fact that the north foot of the Yin Mountain is located at the area of northwest main wind, the wind speed is high, and the wind erosion can be happened easily.
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备注/Memo
收稿日期:2007-1-4。
基金项目:2006年教育部科学技术研究重点项目（206028）；内蒙古自然基金重点项目（200408020602）
作者简介:袁晓宇（1982- ），男，汉族，内蒙古呼和浩特人，硕士研究生，主要从事土壤侵蚀机理研究。
通讯作者:海春兴（1963- ），男，回族，宁夏彭阳人，教授，博士，主要从事水土保持与荒漠化防治研究。