Soil Nitrogen Variation Features of Different Ecological Patterns in Estern Desertification Region, Guizhou Province

LIU Chang-hu; ZHANG Qing-hai; DUAN Pei; WANG Jia-jia; TU Cheng-long

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Soil Nitrogen Variation Features of Different Ecological Patterns in Estern Desertification Region, Guizhou Province

更新时间：2024-11-07

- Soil Nitrogen Variation Features of Different Ecological Patterns in Estern Desertification Region, Guizhou Province
- Vol. 21, Issue 1, Pages: 128-130(2007)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：
  CLC： S158.3P931.5
- Published：2007
- 稿件说明：
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LIU Chang-hu, ZHANG Qing-hai, DUAN Pei, et al. Soil Nitrogen Variation Features of Different Ecological Patterns in Estern Desertification Region, Guizhou Province[J]. 2007, 21(1): 128-130.
DOI：

LIU Chang-hu, ZHANG Qing-hai, DUAN Pei, et al. Soil Nitrogen Variation Features of Different Ecological Patterns in Estern Desertification Region, Guizhou Province[J]. 2007, 21(1): 128-130. DOI：

摘要

以贵州东部石漠化地区不同生态模式下土壤为研究对象

采集了林地、草地、农用地和退耕还林地的土壤样品

进行室内分析。结果表明：土壤有机质、氮素水平总体较低

其含量随植被覆盖率的提高而上升

随土壤侵蚀程度的加强而降低

且退耕土壤氮素水平随退耕年限增加而提高。据此结论

该区域可在自然条件下恢复土壤氮素肥力。

Abstract

This research analyse on the soil nitrogen variation features of different ecological patterns in estern desertification region

Guizhou province. The author gathered soil samples of woodlands

grasslands

agricultural land and de-farming land

then carried out physics and chemical analysis. The results showed soil organic matter

nitrogen levels overall lower

its content increase with the increasing of vegetation cover

degree with the strengthening of soil erosion and reduction

and the nitrogen levels of return with the return of soil nitrogen level limit increases then increased by tiine pasted. Based on this conclusion

the paper deduced that it is possible to restore the nitrogen fertility under natural condition.

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Related Institution

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